Geological Survey of Stawell 1875/76 by Norman Taylor, Geological SurveyorYellow Card Front and Rear Cover with B/W Picture of mining scene. with black Plastic spineGeological Survey of Victoria No.3 Geological Survey of Stawell Norman Taylor 1875/76stawell mining

Brown Coal is typically found as rocks. During formation the Brown Coal starts as peats, which is an acidic brown deposit resembling soil, and over time when subjected to pressure and heat these peats form the Coal. Brown Coal is the lowest rank of coal as it has a low carbon (energy) content, and a high moisture content. This high moisture content makes Brown Coal unsuitable for overseas exports. This particular specimen was recovered from the Yallourn Mine in Latrobe Valley, Victoria as part of the geological survey of Victoria being carried out by Alfred Selwyn. Otherwise known as the 'Yallourn Power Station', the Yallourn Mine is Australia's second largest mine. Yallourn Mine was first built in 1920, and since then it has been providing over 1 billion tonnes of Brown Coal to Australia every year. The Yallourn Mine is responsible for 22% of Victoria's electricity and 8% of Australia's electricity. As of 2021 the mine employs around 500 people. Due to ongoing maintenance issues and Australia's move to cleaner energy, the Yallourn Mine intends to shut down permanently as of 2028. Soon after gold was discovered in 1851, Victoria’s Governor La Trobe wrote to the Colonial Office in London, urging ‘the propriety of selecting and appointing as Mineral Surveyor for this Colony a gentleman possessed of the requisite qualifications and acquaintance with geological science and phenomena’. Alfred Selwyn was appointed geological surveyor in Australia in 1852 which began the Geological Survey of Victoria. In 1853-69 the Geological Survey issued under Selwyn's direction sixty-one geological maps and numerous reports; they were of such high standard that a writer in the Quarterly Journal of the Geological Society of London bracketed the survey with that of the United States of America as the best in the world. During his years spent in Australia, Selwyn collected numerous significant geological specimens, examples of which are held in collections such as the Burke Museum.Brown coal is considered to be an essential rock to Australia's energy consumption. Although plentiful in sources, Brown Coal is not able to be exported overseas due to its high moisture content. As Australia moves towards cleaner energy, Brown Coal is going become less used. This specimen is part of a larger collection of geological and mineral specimens collected from around Australia (and some parts of the world) and donated to the Burke Museum between 1868-1880. A large percentage of these specimens were collected in Victoria as part of the Geological Survey of Victoria that begun in 1852 (in response to the Gold Rush) to study and map the geology of Victoria. Collecting geological specimens was an important part of mapping and understanding the scientific makeup of the earth. Many of these specimens were sent to research and collecting organisations across Australia, including the Burke Museum, to educate and encourage further study.A solid hand-sized sedimentary rock that is a dark shade of brown.13 / BROWN COAL / Showing Woody structure / Locality: Yallourn, Vic. | Label probably / correct but / can't find reference / no. 13 to match in / registers. / C Willman / 15/4/21burke museum, beechworth, indigo shire, beechworth museum, geological, geological specimen, mineralogy, yallourn, yallourn mine, victoria, coal, brown coal, brown coal specimen, alfred selwyn, geological survey of victoria, geological survey, yallourn power station

Printed colour map on papervictoria, geological survey of victoria, gladstone, talbot

This publication consists of many Decades which contain "figuers and descriptions of the fossil organic remains to be used for the determination of the geological ages of the different geological formations of the country." (p. 3). Frederick McCoy was born in Dublin, Ireland in 1817. He was a Professor of Natural Sciences, University of Melbourne 1854-1899. McCoy lectured in geology, zoology, chemistry, mineralogy, geography and botany. In 1858 He became the Director of the National Museum of Victoria and the President of the Royal Society of Victoria in 1864. In 1888, McCoy was awarded FRS for work in Palaeontology in Ireland, England and Australia. He died in his office while correcting examination papers in 1899A Paperback cover book. Decade IV. Title is written in black on front cover and on title page. At head of title: Geological Survey of Victoria. Illustrations, plates in b/w; 32 p. It includes figures and descriptions of Victorian Organic Remains and contents of Decades on the back cover of the book.australia palaeobotany, victoria palaeontology, geological survey of victoria, frederick mccoy, organic remains

This publication consists of many Decades which contain "figuers and descriptions of the fossil organic remains to be used for the determination of the geological ages of the different geological formations of the country." (p. 3). Frederick McCoy was born in Dublin, Ireland in 1817. He was a Professor of Natural Sciences, University of Melbourne 1854-1899. McCoy lectured in geology, zoology, chemistry, mineralogy, geography and botany. In 1858 He became the Director of the National Museum of Victoria and the President of the Royal Society of Victoria in 1864. In 1888, McCoy was awarded FRS for work in Palaeontology in Ireland, England and Australia. He died in his office while correcting examination papers in 1899.A Paperback cover book. Decade v. Title is written in black on front cover and on title page. At head of title: Geological Survey of Victoria. Illustrations, plates in b/w; 41 p. It includes figures and descriptions of Victorian Organic Remains and contents of Decades on back cover.Stamped Ballarat East Public Library"australia palaeobotany, victoria palaeontology, geological survey of victoria, frederick mccoy, organic remains, ballarat east library, ballarat east public library

This publication consists of many Decades which contain "figuers and descriptions of the fossil organic remains to be used for the determination of the geological ages of the different geological formations of the country." (p. 3). Frederick McCoy was born in Dublin, Ireland in 1817. He was a Professor of Natural Sciences, University of Melbourne 1854-1899. McCoy lectured in geology, zoology, chemistry, mineralogy, geography and botany. In 1858 He became the Director of the National Museum of Victoria and the President of the Royal Society of Victoria in 1864. In 1888, McCoy was awarded FRS for work in Palaeontology in Ireland, England and Australia. He died in his office while correcting examination papers in 1899.A Paperback cover book. Decade VI. Title is written in black on front cover and on title page. At head of title: Geological Survey of Victoria. Illustrations, plates in b/w; 42 p. It includes figures and descriptions of Victorian Organic Remains and contents of Decades at back of the book.australia palaeobotany, victoria palaeontology, geological survey of victoria, frederick mccoy, organic remains, john ferres

Underground Survey of The Victoria United Company from Geological Survey of Victoria, Memoirs No. 4.ballarat east, victoria united company, cgt, mining, geological survey, longitudinal section

This specimen was found in Harcourt, Victoria. Harcourt is a small historic gold rush town located in a valley at the foot of Mount Alexander (741 m) in the Central Highlands of Victoria. In recent times the goldrush origins of the town have been replaced by a district known for apples, cider and wine. The Traditional owners of Harcourt are The Dja Dja Wurrung people. Granodiorite is a coarse-grained intrusive igneous rock similar to granite, but containing more plagioclase feldspar than orthoclase feldspar. Granodiorite has greater than 20% quartz by volume, and between 65% and 90% of the feldspar is plagioclase. This piece is of significance due to its provenance in Harcourt, Vic. Granodiorite is commonly produced in volcanic arcs, and in mountain buildings where it emplaces as large batholiths in mountain roots. Granodiorite is the plutonic equivalent of dacite. This specimen is part of a larger collection of geological and mineral specimens collected from around Australia (and some parts of the world) and donated to the Burke Museum between 1868-1880. A large percentage of these specimens were collected in Victoria as part of the Geological Survey of Victoria that begun in 1852 (in response to the Gold Rush) to study and map the geology of Victoria. Collecting geological specimens was an important part of mapping and understanding the scientific makeup of the earth. Many of these specimens were sent to research and collecting organisations across Australia, including the Burke Museum, to educate and encourage further study.Granodiorite is a coarse-grained intrusive igneous rock similar to granite, but containing more plagioclase feldspar than orthoclase feldspar. According to the QAPF diagram, granodiorite has a greater than 20% quartz by volume, and between 65% and 90% of the feldspar is plagioclase.GRANDIORITE. / Locality: / Harcourt, Victoria / Other label: Geological survey / R S / Loc Harcourt quarries [?] Alexander / 1/4 Sheet. | 4 | Granite /granodiorite, granite, burke museum, harcourt, coarse-grained, igneous, plagioclase feldspar, orthoclase feldspar, quartz, mount alexander, the dja dja wurrung people, the traditional owners, central highlands of victoria, gold rush

Booklet: 1899 Victoria Department of Mines Geological survey of Victoria (new series Nos. 6 &7. Monthly progress report, September, October issued by James Travis secretary for mines, under the Authority of the Hon. H. Foster M.P. Minister of Mines. McColl Rankin & Stanistreet, 1899 Victoria.MCCOLL RANKIN & STANISTREETorganization, business, industrial - mining, mccoll rankin & stanistreet

See Geological Survey Victoria: GSV Reference ID: 43711 South Nell Gwynne 'The Central Nell Gwynne which recently took over the reef prospected by Nell Gwynne ( B.M.L.) will continue to work the mine until the new Company, South Nell Gwynne Gold Mining Company is ready to take over. The main development work is at the 1080 feet level where stoping is being carried out on a spur system which has shown several colours of gold. ...The trial crushing in shaft sinking gave 4 dwt per gold per ton..... ' ( 29th July 1938, 'The Herald, Melbourne) 1941 Geological Survey Vic: SOUTH NELL GWYNNE, BENDIGO. MINING AND GEOLOGICAL JOURNAL: ' Journal, dark green hard cover, buff bindings on spine and corners. On spine of book in gold print: ' Share Register South Nell Gwynne G.M. Co. N.L.' South Nell Gwynne Gold Mining Company share register, 1938 to 1941. Alphabetical index in front, four hundred pages. Entries detail date of purchase, name of shareholder, distinctive number range, call account and paid by. Page 299 has a list of forfeited shares in the Company with a list of shares sold by James Andrew & Co., on 8th December 1938. Shares were 'forfeited for non payment of the 2nd call of threepence per share'. Share register is part of the Margaret Roberts Collection. bendigo, goldmining, goldfield, south nell gwynne gold mining co., nell gwynne, margaret roberts collection, mr j.j. stanistreet, mine manager

Malachite is typically found as crystalline aggregates or crusts, often banded in appearance, like agates. It is also often found as botryoidal clusters of radiating crystals, and as mammillary aggregates as well. Single crystals and clusters of distinguishable crystals are uncommon, but when found they are typically acicular to prismatic. It is also frequently found as a pseudomorph after Azurite crystals, which are generally more tabular in shape. This particular specimen was recovered from the Burra Burra Copper Mine in Burra, South Australia. Otherwise known as the 'Monster Mine', the Burra Burra Copper Mine was first established in 1848 upon the discovery of copper deposits in 1845. Within a few short years, people from around the world migrated to Burra to lay their claim in the copper economy. By April 1848 the mine was employing over 567 people and supporting a population of 1,500 in the local township. Up until 1860, the mine was the largest metals mine in Australia, producing approximately 50,000 tonnes of copper between 1845 to its closure in 1877. The Burra Burra Mine was also famous for a number of other specimens, including; crystalline azurite, cuprite, and botryoidal and malachite. Malachite is considered a rare gemstone in that the original deposits for the stones have been depleted leaving behind very few sources. In addition, the use of Malachite as gemstones and sculptural materials remains just as popular today as they were throughout history. It is quite common to cut the stone into beads for jewellery. The fact that Malachite has such a rich colour and one that does not fade with time or when exposed to light makes it particularly rare. This specimen is part of a larger collection of geological and mineral specimens collected from around Australia (and some parts of the world) and donated to the Burke Museum between 1868-1880. A large percentage of these specimens were collected in Victoria as part of the Geological Survey of Victoria that begun in 1852 (in response to the Gold Rush) to study and map the geology of Victoria. Collecting geological specimens was an important part of mapping and understanding the scientific makeup of the earth. Many of these specimens were sent to research and collecting organisations across Australia, including the Burke Museum, to educate and encourage further study. A solid hand-sized copper carbonate hydroxide mineral with shades of blue and light green throughout. burke museum, beechworth, indigo shire, beechworth museum, geological, geological specimen, mineralogy, burra, burra burra mine, south australia, malachite, malachite specimen

Malachite is a green copper carbonate hydroxide mineral and was one of the first ores used to make copper metal. Malachite has been utilised as a gemstone and sculptural material in the past as its distinctive green color does not fade when exposed to light or after long periods of time. Malachite is formed at shallow depths in the ground, in the oxidizing zone above copper deposits. The material has also been used as a pigment for painting throughout history. This particular specimen was recovered from the Burra Burra Copper Mine in Burra, South Australia. Otherwise known as the 'Monster Mine', the Burra Burra Copper Mine was first established in 1848 upon the discovery of copper deposits in 1845. Within a few short years, people from around the world migrated to Burra to lay their claim in the copper economy. By April 1848 the mine was employing over 567 people and supporting a population of 1,500 in the local township. Up until 1860, the mine was the largest metals mine in Australia, producing approximately 50,000 tonnes of copper between 1845 to its closure in 1877. The Burra Burra Mine was also famous for a number of other specimens, including; crystalline azurite, cuprite, and botryoidal and malachite.Malachite is considered a rare gemstone in that the original deposits for the stones have been depleted leaving behind very few sources. In addition, the use of Malachite as gemstones and sculptural materials remains just as popular today as they were throughout history. It is quite common to cut the stone into beads for jewellery. The fact that Malachite has such a rich colour and one that does not fade with time or when exposed to light makes it particularly rare. This specimen is part of a larger collection of geological and mineral specimens collected from around Australia (and some parts of the world) and donated to the Burke Museum between 1868-1880. A large percentage of these specimens were collected in Victoria as part of the Geological Survey of Victoria that begun in 1852 (in response to the Gold Rush) to study and map the geology of Victoria. Collecting geological specimens was an important part of mapping and understanding the scientific makeup of the earth. Many of these specimens were sent to research and collecting organisations across Australia, including the Burke Museum, to educate and encourage further study. A solid hand-sized copper carbonate hydroxide mineral with shades of yellow, blue, and light green throughout.geological, geological specimen, burke museum, indigo shire, malachite, malachite specimen, burra burra mine, burra, south australia, australian mines, mines, monster mine

Galena Chalcopyrite is the earth's primary ore of lead and is mined from a large number of deposits in many countries. It is also an important source of silver. Galena Chalcopyrite is one of the most abundant and widely distributed sulfide minerals across the world. The mineral is found in igneous and metamorphic rocks in medium- to low-temperature hydrothermal veins. This specific specimen was recovered from the mines in Broken Hill, New South Wales. The mines in Broken Hill were first established after Charles Rasp discovered a large amount of silver-lead-zinc ore-body in the area in 1883. BHP (Broken Hill Proprietary) mining company was then established in 1885 and quickly became the lead in Australia's mining industry after they began excavating and exporting the country's largest amount of lead, silver, and zinc. This feat generated over $100 billion in wealth for the company.Galena Chalcopyrite is signifiant as it represents the catalyst for the rise of Australia's most influential mining companies - BHP. The mineral was one of the first to be mined in the country and after being made into lead, was used for a variety of things such as paint, batteries, ammunition, and plumbing materials before it was known to be harmful to humans. This specimen is part of a larger collection of geological and mineral specimens collected from around Australia (and some parts of the world) and donated to the Burke Museum between 1868-1880. A large percentage of these specimens were collected in Victoria as part of the Geological Survey of Victoria that begun in 1852 (in response to the Gold Rush) to study and map the geology of Victoria. Collecting geological specimens was an important part of mapping and understanding the scientific makeup of the earth. Many of these specimens were sent to research and collecting organisations across Australia, including the Burke Museum, to educate and encourage further study. A grey, solid hand-sized lead sulfide mineral with a silver metallic luster.burke museum, beechworth, geological, geological specimen, galena, galena chalcopyrite, chalcopyrite, broken hill, bhp, bhp mining, broken hill mine, mine, australia mine, lead, lead mine

Feldspathic arenites are sandstones that contain less than 90% quartz, and more feldspar than unstable lithic fragments, and minor accessory minerals.Feldspathic sandstones are commonly immature or sub-mature.These sandstones occur in association with cratonic or stable shelf settings. Feldspathic sandstones are derived from granitic-type, primary crystalline, rocks. If the sandstone is dominantly plagioclase, then it is igneous in origin Sandstone features prominently in public buildings throughout Victoria. Most of the sandstone used as dimension stone in the State came from three sources: the Heatherlie quarry in the Grampians (Silurian), the Bacchus Marsh area (Permian), and the Barrabool Hills near Geelong (Cretaceous).Sandstone features prominently in public buildings throughout Victoria, making this specimen special as it shows the materials used by Victorian building companies. Sandstone can also be crushed, crushed stone is used in the construction of roadways and road structures such as bridges, and in buildings, both commercial and residential. This specimen is part of a larger collection of geological and mineral specimens collected from around Australia (and some parts of the world) and donated to the Burke Museum between 1868-1880. A large percentage of these specimens were collected in Victoria as part of the Geological Survey of Victoria that begun in 1852 (in response to the Gold Rush) to study and map the geology of Victoria. Collecting geological specimens was an important part of mapping and understanding the scientific makeup of the earth. Many of these specimens were sent to research and collecting organisations across Australia, including the Burke Museum, to educate and encourage further study. A feldspar-rich sandstone, a sandstone intermediate in composition between an arkosic sandstone and a quartz sandstone, containing 10% to 25% feldspar and less than 20% matrix material of clay, sericite, and chlorite. Feldspathic arenite containing less than 90 percent of the composition of quartz. Feldspar is the main composition. Feldspathic arenite may contain fragments of unstable rock, and a little amount of other minerals such as mica and heavy minerals. Some feldspathic arenite have pink or red color because of the presence of potassium feldspar or iron oxide. There are also colored light gray to white. These sandstones are usually medium to coarse grained and can contain a high percentage of granules with angular until subangular roundness. The content of the matrix can appear as the rest up to more than 15 percent, and sorting of grains can present as moderate to poorly sorted. Feldspathic sandstones are generally immature in textural maturity. Feldspathic arenite can not be judged from the structure of the sediment. Bedding can emerge from the laminate parallel to the crossbed. Fossils may appear in the layer deposited on the sea. Feldspathic arenites usually appear on the craton or the continental shelf, which can be associated with conglomerate, quartz lithic arenite, carbonate rock, or evaporites. This sandstone may also appear on the succession of sedimentary basins deposited on an unstable or deep sea, and moving arc setting. According to Pettijohn (1963) Arkose make up about 15 percent of all sandstones. Some Arkose formed in situ when the granite and related rocks disintegrate and generate granular sediments. Most of the material feldspathic sandstones derived from primary crystalline granitic rocks, such as granite or metasomatic rocks containing abundant potassium feldspar. Mineral contained in sandstones is mostly a form of plagioclase feldspar derived from quartz diorite or volcanic rock. Feldspar contained on this sandstone comes from arid to cool climates when the chemical weathering process is reduced.sandstone, natural stone, feldspathic sandstone, burke museum, geology, geological, geological specimen

Ilvaite has acquired its name from Ilva (Latin for Elba) Island, Greece, where Ilvaite is most commonly found. The geological setting in which Ilvaite occurs is through contact with magnetite, zinc and copper ore deposits, along with contact metamorphic deposits and zeolite zones. llvaite crystallizes in the form of black prismatic crystals and columns . This specimen was retrieved from Broken hill, known as the world's richest and largest zinc-lead ore deposit. Because of Ilvaite's often unaesthetic crystal formations compared to other minerals, Ilvaite is uncommon in most rock collections, particularly specimens that are not well formed, such as this one. Ilvaite is also a member of the Sorosilicate subclass of the silicate minerals, which have an unusual basic unit of Si2O7, making Ilvaite a unique mineral. Given that Ilvaite is not commonly found in Australia, it marks a unique contribution to an Australian collection of minerals. This specimen is part of a larger collection of geological and mineral specimens collected from around Australia (and some parts of the world) and donated to the Burke Museum between 1868-1880. A large percentage of these specimens were collected in Victoria as part of the Geological Survey of Victoria that begun in 1852 (in response to the Gold Rush) to study and map the geology of Victoria. Collecting geological specimens was an important part of mapping and understanding the scientific makeup of the earth. Many of these specimens were sent to research and collecting organisations across Australia, including the Burke Museum, to educate and encourage further study.A solid hand-sized ferrous iron analogue mineral with of black with shades of beige Ilvaite is a brittle, opaque rock formation that has acquired its name from Ilva (Latin for Elba) Island, Greece, where Ilvaite is most commonly found. The geological setting in which Ilvaite occurs is through contact with magnetite, zinc and copper ore deposits, along with contact metamorphic deposits and zeolite zones. llvaite crystallizes in the form of black prismatic crystals and columns rock, mineral, ilvaite, ilvaite specimen

This specimen was recovered from the Nigretta Falls (previously named the Upper Wannon Falls), Victoria. The falls are fed by the Wannon River that has its head waters in the Grampians mountains. Approx. 10km upstream of the Wannon Falls, Nigretta is a multi-channel segmented cascade of smaller drops and bounces guided by patterns of joints in a much older (Devonian) rhyolitic volcanic rock. Both the Wannon and Nigretta Falls are iconic landscape features, entrenched in the history and identity of the region. These falls are particularly rare as they are the product of volcanic activity, which is unique in the context of the Volcanic Plain of Victoria. Waterfalls of this capacity are generally associated with the Uplands areas of Victoria, rather than the edges of the Volcanic Plain. This specimen is part of a larger collection of geological and mineral specimens collected from around Australia (and some parts of the world) and donated to the Burke Museum between 1868-1880. A large percentage of these specimens were collected in Victoria as part of the Geological Survey of Victoria that begun in 1852 (in response to the Gold Rush) to study and map the geology of Victoria. Collecting geological specimens was an important part of mapping and understanding the scientific makeup of the earth. Many of these specimens were sent to research and collecting organisations across Australia, including the Burke Museum, to educate and encourage further study. A solid, dark grey mineral specimen with pale terracotta coloured inclusions. Rhyodacite is a volcanic rock intermediate in composition between dacite and rhyolite. Rhyodacites form from rapid cooling of lava relatively rich in silica and low in alkali metal oxides.GEOLOGICAL SURVEY / R / S 55 FELSTONE PORPHYburke museum, beechworth, indigo shire, beechworth museum, geological, geological specimen, porphyritic rhyodacite, lava, nigretta falls, upper wannon falls, dacite, rhyolite, volcanic geology

Rhodonite is a reddish-pink manganese silicate material and often contains iron, magnesium and calcium. It is usually found in metamorphic rocks (rocks which have been altered by heat, pressure or chemical process). It can range in size from tiny to massive. Because of their composition they are not suitable for use in jewellery because they are hard enough. It is quite rare to find, though has been found in Australia, North America, South America and Europe.This specimen is part of a larger collection of geological and mineral specimens collected from around Australia (and some parts of the world) and donated to the Burke Museum between 1868-1880. A large percentage of these specimens were collected in Victoria as part of the Geological Survey of Victoria that begun in 1852 (in response to the Gold Rush) to study and map the geology of Victoria. Collecting geological specimens was an important part of mapping and understanding the scientific makeup of the earth. Many of these specimens were sent to research and collecting organisations across Australia, including the Burke Museum, to educate and encourage further study. This specimen is a palm shaped piece of loellingite within rhodonite. It is mostly reddish-pink coloured, with flecks of light and dark grey. Loellingite is a grey iron arsenide which often forms into crystal shapes. It is mostly found in mesothermal veins (caused by immense heat) with sulfides or in limestone. It is toxic when heated or struck. rhodonite, loellingite, burke museum, beechworth, geological survey of victoria

This specimen was recovered from Silverton Mine in Broken Hill, New South Wales. Otherwise known as the 'Day Dream Mine', the Silverton Mine was first established in 1883, when silver and lead deposits where discovered. Within a few short years, the population of Broken Hill reached 3000 people. As of today the Silverton Mine is still open, and has produced over 200 million tonnes of ore, which has generated over $100 billion. The Silverton Mine was also famous for a number of specimens such as silver, iron and zinc.Copper is considered to be a rare ore in that finding it in its pure form is rare. Nowadays when mining for Copper it is often found in mixed in with other minerals or it is recycled from use. Moreover, Copper is found in a range of everyday uses such as coins, cookware, pipes, heating conductors and anything that generate electricity. The fact that Copper is heat a heat conductor, electricity conductor and it does not corrode easily, makes this ore a versatile and useful. This specimen is part of a larger collection of geological and mineral specimens collected from around Australia (and some parts of the world) and donated to the Burke Museum between 1868-1880. A large percentage of these specimens were collected in Victoria as part of the Geological Survey of Victoria that begun in 1852 (in response to the Gold Rush) to study and map the geology of Victoria. Collecting geological specimens was an important part of mapping and understanding the scientific makeup of the earth. Many of these specimens were sent to research and collecting organisations across Australia, including the Burke Museum, to educate and encourage further study.A solid hand-sized cube-shaped sulfide and oxide with shades of green, grey and brown throughout. Copper is typically found as nuggets in the ground. It can be found in a range of forms such as its native state; mixed with other ores, such as zinc and iron; as porphyry copper deposits; and as major deposits. Porphyry deposits are when the mineral is scattered evenly throughout the rock. Major deposits are when the mineral is scattered amongst other minerals.burke museum, beechworth, indigo shire, beechworth musum, geological, geological specimen, mineraology, copper, copper ore, copper ore speciment, broken hill, new south wales

According to the 1912 Department of Mines Bulletin of the Geological Survey of Victoria, basalt covers a considerable portion of the Macedon area including Mount Macedon. Basalt is the most common form of rock underlying the earth's surface and is found in three kinds of rock forming environments: ocean divergent boundaries, oceanic hotspots, and mantle plumes and hotspots beneath continents.This specimen is part of a larger collection of geological and mineral specimens collected from around Australia (and some parts of the world) and donated to the Burke Museum between 1868-1880. A large percentage of these specimens were collected in Victoria as part of the Geological Survey of Victoria that begun in 1852 (in response to the Gold Rush) to study and map the geology of Victoria. Collecting geological specimens was an important part of mapping and understanding the scientific makeup of the earth. Many of these specimens were sent to research and collecting organisations across Australia, including the Burke Museum, to educate and encourage further study.A solid mass, geological specimen in shades of grey and white. Hyalite is a colourless variety of opal. It occurs as globular and botryoidal masses and irregular crusts in volcanic and pegmatite environments where the silica deposits from the gas phase. Basalt is dark in colour, fine-grained igneous rock composed of plagioclase and pyroxene minerals. It is commonly formed as an extrusive rock, such as lava flow. It is one of the most common forms of rock underlying the earth's surface.burke museum, geological specimen, department of mines, geological survey of victoria, basalt, mount macedon, beechworth

This particular specimen was recovered from the Lal Lal Coal and Iron Mine in Victoria, 19km from Ballarat. Brown Coal was discovered here in 1857, just alongside the Geelong to Ballarat Railway line. This discovery of lignite (brown coal) was the first in Victoria, which would bring important benefits to the region and state, both of which had previously been reliant on coal imports. In the 1860s, iron ore was found just 5km from Lal Lal, and the area was converted into an Iron Ore Mine. The Lal Lal Iron Mining Company took over operations in 1874, who then peaked iron production in 1884. This mine continued operations until June 1884, when the blast furnace was extinguished and never recommenced. The blast furnace at Lal Lal is considered one of the most important and highly significant sites ion early industrial history in Australia, as it is the only remaining best furnace from the nineteenth century in the Southern Hemisphere. The furnace ruins are 17 metres high, and are clearly visible today on Iron Mine Road, Lal Lal, near the Bungal Dam. This specimen of Lignite (brown coal) is significant, as it was mined from the area where brown coal was first discovered in Victoria, leading to an important and controversial future of the mining and use of brown coal in this State. The Victorian Heritage Database has listed the Lal Lal Coal Mine with local significance, with their Statement of Significance stating: "The Lal Lal coal mine is historically significant as the site of the first discovery of lignite (brown coal) in Victoria, and one that promised important benefits to regional and state industries that were reliant on coal imports at the time. The significance of the stie is reduced by the poor state of preservation of the coal mining and processing fabric". This specimen is part of a larger collection of geological and mineral specimens collected from around Australia (and some parts of the world) and donated to the Burke Museum between 1868-1880. A large percentage of these specimens were collected in Victoria as part of the Geological Survey of Victoria that begun in 1852 (in response to the Gold Rush) to study and map the geology of Victoria. Collecting geological specimens was an important part of mapping and understanding the scientific makeup of the earth. Many of these specimens were sent to research and collecting organisations across Australia, including the Burke Museum, to educate and encourage further study.A hand-sized light-weight, soft and combustable sedimentary rock specimen, that is dark brown in colour. The specimen has jagged edges, as though parts of the rock have crumbled away. Brown coal, or Lignite, is formed naturally from compressed peat, and is typically found in natural basins. The stages to the formation of coal ('coalification') begin with plant material and wood, which will decay if it is not subjected to deep burial or heating, and turn into Peat. Peat, when sufficiently compressed naturally, will turn into Brown Coal (Lignite), and finally into Black Coal (sub-bituminous, bituminous and anthracite). Each successive stage has a higher energy content and lower water content. It is brownish-black in colour. Brown Coal has a high moisture content, between 50 and 75 percent, and a low carbon content. Some Brown Coals may be stratified, with layers of plant matter, which means little coalification has occurred beyond the peat natural processing stage. When Brown Coal is submerged in dilute nitric acid or boiling potassium hydroxide solution, it reacts to produce a reddish solution, of which higher-ranked coals do not. When brown coal is pulverised and burned in boilers, the steam is used to drive turbines, which generates electricity. It is the lowest rank of coal, as when burned, it creates a relatively low heat content, which in turn does not create a great output of steam. burke museum, beechworth, indigo shire, beechworth museum, geological, geological specimen, mineralogy, brown coal, brown coal specimen, lignite, lal lal, lal lal coal mine, lal lal iron mine, ballarat, blast furnace

In Australia, precious opal is found in Cretaceous age sandstones and mudstones. These sedimentary rocks were deeply weathered and this weathering released silica into the groundwater.Australia is the only part of the world where opalised animal and plant fossils have been found. Opal artefacts several thousands of years old have been discovered in East Africa. As early as 250 BC the Romans prized opals, thought to have come from mines in Eastern Europe, the ancient world's main source of opals. There are many aboriginal dreamtime stories that feature opal. Australian opals discovered during the late 1800's found little favour with European markets but their commercial value increased in the 1900's and in 1932 Australia took over as the major producer of opals in the world and remains the largest producer to this day. Opal is found around the world (Brazil, Mexico, Honduras and the western US) however Australia produces 95% of the world's precious opal and it is our official national gemstone. Opal was first mined commercially at Listowel Downs in Queensland in 1875 and later at White Cliffs in NSW. Today, Coober Pedy (SA) is the main producer of white opal, though in recent years this field has expanded and all types of opals are found. Other centres in SA include Andamooka and Mintabe. Lightning Ridge (NSW) is renowned for black opal and formerly White Cliffs was a large producer of high quality opal. Boulder opals (opals in concretionary ironstone) are mined in Queensland from numerous localities in a zone extending from the Eulo and Cunnamulla district in the south and northwest for a distance of over 700 km to Kynuna in the north. The towns of Quilpie, Yowah and Winton are the main opal mining and wholesale centres. Opals are considered gemstones and have been used in jewellery for thousands of years.Throughout much of history, opals were actually believed to be good luck. The Romans thought that opals were one of the luckiest gemstones and a symbol of hope. In the Middle Ages, opals were believed to be bestowed with all the positive properties of coloured gemstones due to its rainbow-like play of colour. Finally, there is a superstition that you should not wear an opal unless it is your birthstone otherwise misfortune will befall you. This, of course, is far-fetched, but the notion could have been promoted in the late 19th and early 20th Centuries by diamond traders who were trying to increase sales of diamonds and deter people from buying opals. Possibly related to this is the thought that you should set opal jewellery with diamonds as their powers of good fortune will override any negativity held by the opal. The great majority of opal does not show play of colour and is called common opal or potch however this is not the case with a precious opal. Opal is a precious gemstone, like rubies, emeralds or diamonds. Opal is rare, and it is expensive to prospect and mine for.Silica is one of the most common minerals on the planet, but precious opal is very rare – far more rare than diamonds. Precious opal is rare because the natural processes that create it rarely occur.Most (at least 95%) of the opal found by miners is common opal without gem colour. In Australia we call it potch. It can be white, grey, black or amber coloured. Even when a miner finds gem-coloured opal, most of it can’t be cut into gemstones because it’s too thin, or sandy. This specimen is part of a larger collection of geological and mineral specimens collected from around Australia (and some parts of the world) and donated to the Burke Museum between 1868-1880. A large percentage of these specimens were collected in Victoria as part of the Geological Survey of Victoria that begun in 1852 (in response to the Gold Rush) to study and map the geology of Victoria. Collecting geological specimens was an important part of mapping and understanding the scientific makeup of the earth. Many of these specimens were sent to research and collecting organisations across Australia, including the Burke Museum, to educate and encourage further study.It is not known where this opal originated, except that it is probably from Victoria, as it has been recorded from many localities in the State. Common Opal is formed from silica-rich water circulating through rocks near the Earth’s surface. It consists of minute spheres of silica arranged in different ways. In common opal, the spheres are of different sizes and randomly arranged, unlike in precious opal where the spheres are of similar size and uniformly arranged in three dimensions. These differences account for common opal generally being translucent to opaque and without the play of colours, or opalescence, displayed by precious opal. Common opal is found in many localities and different geological environments throughout Australia and the world. Precious opal requires special conditions to form and is much less common. Australia produces most to the world’s precious opal. burke museum, beechworth, indigo shire, beechworth museum, geological, geological specimen, precious opal, opal, brazil, mexico, honduras, queensland, coober pedy, gemstones, jewellery, play-of-colour, light blue

Basalt is a common igneous rock that composes most of the Earth's surface and can be found on the Moon and other rocky planets of the Solar System. It is generally composed minerals such as calcic plagioclase, clinopyroxene and iron ore which form grains that are indistinguishable to the naked eye. It can be dark grey or black in colouring and sometimes may contain holes left by gas bubbles. Most of the Earth's basalt was produced in environments such as oceanic divergent boundaries, oceanic hotspots, and mantle plumes and hotspots beneath continents. Basalt is commonly used in construction where it is crushed and used for multiple purposes such as concrete aggregate, road base, or railroad ballast. Thin slabs of basalt can also be cut and used for floor tiles, stone monuments, and building veneer. This particular specimen was excavated from Talbot in Victoria, which was a small gold mining town established in 1852. As basalt is a common rock, it is not specific to Talbot. However, this specimen can be assumed to be of the Cainozoic age due to previous geomorphic surveys of the area. This particular type of Basalt was used mainly for roads due to the durability of the rock.Basalt holds significance due to the continued use of the rock from historic until present times. The rock has been utilised for many types of construction and is still used for the same purposes today. Basalt also has significance to the Earth and other rocky planets of the Solar System as it makes up most of the planet's surface. This specimen is part of a larger collection of geological and mineral specimens collected from around Australia (and some parts of the world) and donated to the Burke Museum between 1868-1880. A large percentage of these specimens were collected in Victoria as part of the Geological Survey of Victoria that begun in 1852 (in response to the Gold Rush) to study and map the geology of Victoria. Collecting geological specimens was an important part of mapping and understanding the scientific makeup of the earth. Many of these specimens were sent to research and collecting organisations across Australia, including the Burke Museum, to educate and encourage further study.A smaller than hand sized rock specimen which is dark grey in colour with small holes and white deposits across its surface.Geological survey / [illegible] /burke museum, beechworth, geological specimen, geology, basalt, basalt specemin, indigo shire, talbot, cainozoic, igneous rock

This specimen was recovered from Creswick in Victoria. Basalt is dark in colour, often black and has a fine grain. It is composed of plagioclase and pyroxene minerals and an igneous rock. This specimen is part of a larger collection of geological and mineral specimens collected from around Australia (and some parts of the world) and donated to the Burke Museum between 1868-1880. A large percentage of these specimens were collected in Victoria as part of the Geological Survey of Victoria that begun in 1852 (in response to the Gold Rush) to study and map the geology of Victoria. Collecting geological specimens was an important part of mapping and understanding the scientific makeup of the earth. Many of these specimens were sent to research and collecting organisations across Australia, including the Burke Museum, to educate and encourage further study.A cylindrical fine-grained piece of igneous rockburke museum, geological survey of victoria, geological specimen, geology

This specimen was recovered from Wonthaggi in Victoria. Coal is a sedimentary rock which is composed of peat after it has been exposed over millions of years. This is an example of Australian black coal which is used as either thermal or coking coal for electricity generation or manufacturing processes. It is predominantly composed of Carbon which is 'C' on the periodic table of elements. This early example of a coal sample, shows the important role that coal played/plays in Australia's energy generation and manufacturing processes. This specimen is part of a larger collection of geological and mineral specimens collected from around Australia (and some parts of the world) and donated to the Burke Museum between 1868-1880. A large percentage of these specimens were collected in Victoria as part of the Geological Survey of Victoria that begun in 1852 (in response to the Gold Rush) to study and map the geology of Victoria. Collecting geological specimens was an important part of mapping and understanding the scientific makeup of the earth. Many of these specimens were sent to research and collecting organisations across Australia, including the Burke Museum, to educate and encourage further study.Small piece of black coal with museum original labelGeological survey / R..... S...../ Locality Cape Patterson coal specimen, burke museum, geological survey of victoria, geological specimen, geology

This particular specimen was recovered from two hundred feet down in the Golden Mile in Kalgoorlie, Western Australia. The Golden Mile, named after the estimated sixty million ounces of gold worth around one hundred billion dollars, was the birthplace of the largest gold rush in Australia almost one hundred and thirty years ago when William Brookman and Samuel Pearce leased the Great Boulder mine. The Golden Mile is also the home of the Super Pit, Australia's most well-known mine.The majority of gold deposits will form as a native metal, however, on occasion, it can form a compound with another element, in this case, sulphur. Therefore, this specimen is a rare example of gold naturally forming into a compound mineral with sulphur. This specimen is part of a larger collection of geological and mineral specimens collected from around Australia (and some parts of the world) and donated to the Burke Museum between 1868-1880. A large percentage of these specimens were collected in Victoria as part of the Geological Survey of Victoria that begun in 1852 (in response to the Gold Rush) to study and map the geology of Victoria. Collecting geological specimens was an important part of mapping and understanding the scientific makeup of the earth. Many of these specimens were sent to research and collecting organisations across Australia, including the Burke Museum, to educate and encourage further study.A small gold-sulphide ore mineral specimen in shades of silver and grey with flecks of gold. Precious metals are often found in Sulphide Ores, as sulphides usually bind to these metals. They are also extremely symmetrical in crystaline form. Gold-Sulphide Ore occurs when gold forms a natural compound with other elements. In this form, gold can be present in one of two ways. It can be fully immersed in the sulphide, or a portion may be partially free. This specimen has minimal gold visible, with only a few flecks being partially visible.burke museum, beechworth, indigo shire, beechworth museum, geological, geological specimen, mineralogy, gold-sulphide ore