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Siderite mining morro velho mine

  • Morro Velho mine, Nova Lima, Minas Gerais, Brazil

    The world's oldest continually producing gold mine, started in 1725. Until 1960, it produced about 450 tons of gold. The mine includes the Mina Velha and Mina Grande deposits. In 1997, the Mina Grande workings were abandoned after reaching a depth of 2,453 m below the surface at level 27.

  • Deposit Portal - Morro Velho

    Regional foliation planes mainly trend to the northeast and plunge moderately-to-steeply to the east. It is the down-plunge continuity of mineralisation that makes the Quadrilatero Ferrifero remarkable: the Morro Velho mine historically yielded 10.6 million ounces of gold to a depth of 3 km below surface, in a shoot that averaged 200 m in length and 10 m in width.

  • Saphira Minerals - ShowSearchResult

    Morro Velho mine, Nova Lima, Iron Quadrangle, Minas Gerais, Brazil Size: 7 x 5.1 x 3.5 cm Watch Video This classic Brazilian paragenesis features discoidal, translucent and lustrous siderite of brownish color on contrasting white dolomite.

  • The geology of the Morro Velho gold deposit in the Archean

    Morro Velho is the largest and one of the oldest known deposits in the Province. According to Vial et al. (2007), gold was first discovered in the year 1700, and mining operations have occurred

  • Siderite with Dolomite - Crystal Classics

    Edging these crystals on the dolomitic matrix are colourless to milky-white Dolomite crystals of similar dimensions. A splendid specimen from the Morro Velho mine in Nova Lima, Minas Gerais, Brazil. Formerly in the Richard W. Barstow Collection and comes with an RWB white label.

  • Smaller gold deposits in the Archean Rio das Velhas

    Nov 01, 2007· Initially there were four independent mines (Gaia, Gabiroba, Faria Velho and Faria Extensão). In 1936, the Gaia tunnel linked these small mines, resulting in the Faria Mine. The area is underlain by volcanic or volcanogenic sedimentary rocks of the Morro Vermelho Unit, Nova Lima Group, metamorphosed to greenschist facies.

  • e-Rocks Mineral Auctions

    Kalwu Mine, Hezhang County, Bijie Prefecture, Guizhou Province, China (Peoples Republic) Small cabinet (7-10 cm) Morro Velho Mine, Nova Lima. Mount Ibituruna, Governador Valadares. Bulgaria Fluorite & Siderite. Boltsburn Mine, Rookhope, Weardale, County Durham, United Kingdom.

  • S. John Del Rey Mining Company: Morro Velho - World

    The Thereza Christina Maria collection is composed of 21,742 photos assembled by Emperor Pedro II (1825-91) throughout his life and donated by him to the National Library of Brazil. The collection covers a wide variety of subjects. It documents the achievements of Brazil and Brazilians in the 19th century and also includes many photographs of Europe, Africa, and North America. The São João

  • Siderite: The mineral Siderite information and pictures

    In Romania, fine Siderite has come from the ore mines of Mamarues Co., especially at Kapnik and the Turt Mine. In, England specimens have come from the Carn Brea area, in Cornwall. Platy Siderite crystals have been abundant in China at the Yaogangxian Mine, Hunan Province.

  • Sidérite - Wikimonde

    "The minerals of the Morro Velho gold mine, Brazil." Mineralogical Record, 4(5), 224-229 PERRAULT, G., and GÉLINAS, L. (1969) Associations minérales des accidents pegmatiques du Mont St-Hilaire.

  • Saint John d'El Rey Mining Company - Wikipedia

    The company searched for other mining properties in the region, and bought the Morro Velho gold mine in 1834. The Morro Velho mine had been worked for perhaps 50 years before the Saint John Company acquired it, at first as an open pit operation. The company also bought the Raposos mines

  • The Cornish in Latin America - University of Exeter

    Morro Velho Situated in a low valley close to the town of Nova Lima in the tropical highland state of Minas Gerais Brazil, about 12 miles from the modern city of Belo Horizonte and some 200 miles north of Rio de Janeiro, the community at Morro Velho grew up rapidly around the mighty gold mine of that name which was for many years the deepest in

  • Morro Velho - Wikipedia

    Morro Velho, also called AngloGold Ashanti Brasil Mineração, after its current owner AngloGold Ashanti, is a complex of gold mines located near the city of Nova Lima in the Minas Gerais state of Brazil. It is one of two mining operations of the company in Brazil, the other being the Serra Grande Gold Mine.

  • siderite Mineral Gallery in Online Mineral Museum

    Siderite and Quartz from Morro Velho Mine, Nova Lima, Minas Gerais, Brazil Siderite and Quartz on Pyrite from Trepca District, 10 km east of Kosozska Mitrovica, Kosovo Siderite and Sphalerite from Eagle Mine, Gilman District, Eagle County, Colorado Siderite and Sphalerite var. Marmatite from Gilman Mining District, Eagle County, Colorado

  • e-Rocks Mineral Auctions

    Morro Velho Mine, Nova Lima, Minas Gerais, Brazil - The Morro Velho mine is well-known for its exceptional siderite specimen, oftenly associated with pyrrhotite and cubanite. Less known is that Morro Velho was a gold mine - even the world's oldest continually producing gold mine, started in 1725. Until 1960, it produced about 450 tons of gold. The mine includes the Mina Velha and Mina Grande

  • The geology of the Morro Velho gold deposit in the Archean

    Nov 01, 2007· For operational reasons, mining at Morro Velho was carried out from two underground mines, working the same orebody. The upper mine, Mina Velha, has a depth of 156 m above sea level (600 m deep), whereas the lower mine, Mina Grande, is at 1610 m below sea level, with a total depth of 2453 m at level 27, reached in 1929.

  • Morro Velho - Wikipedia

    Although Morro Velho's main production is gold, silver, arsenic, and other minerals are also extracted at the mining complex. Despite closing of the Minha Velha and Engenho D'Água mines in 2003 and 2004, gold production has increased over the past three years, with 240,000 ounces (6,800 kilograms) of gold produced in 2004 at an average

  • Siderite Mining Crusher

    Siderite Mining,Siderite Beneficiation,Processing Plant,Manufacturers In Brazil, in the Morro Velho gold mine, Nova Lima, Minas Gerais, and at Pedreira Continuer à lire Mineral Siderite, Mineral Siderite

  • Saint John d'El Rey Mining Company Records

    After searching the region for available mining properties, the company purchased the Morro Velho gold mine in 1834. Other mines held by the company included the Espirito Santo and Raposos mines. The Saint John d'El Rey Mining Company began their work by improving the mine's

  • Morro Velho Wikipédia, a enciclopédia livre

    Morro Velho, também conhecido como AngloGold Ashanti Brasil Mineração, seu atual proprietário, a AngloGold Ashanti, é um complexo de minas de ouro localizado próximo à cidade de Nova Lima, no estado de Minas Gerais, Brasil.. É uma das duas minas operadas pela companhia no Brasil, sendo a outra a mina de ouro Serra Grande.. Em 2008 o Brasil contribuiu com 8% da produção total da

  • Siderite - Minerals For Sale - #3581198

    Siderite. specimen number: 3581198. location: Morro Velho mine, Nova Lima, Minas Gerais, Brazil. description: Lustrous translucent crystals of siderite to almost 3.0 cm in size across the front of this matrix. Tiny and sparse micro-chipping present, still in very good condition. Classic material for this locality. Watch Specimen Video

  • Siderite - Mineral specimens search results - Fabre Minerals

    The sample is very representative of the Siderite from the Morro Velho gold mine, samples that were relatively abundant a few decades ago and very scarce today. The lenticular crystals, very sharp, have an excellent color and intense luster. Morro Velho Mine, Nova Lima, Belo Horizonte, Minas Gerais Brazil

  • 2.7" Siderite Crystal Cluster - Peru For Sale (#173402

    Being that siderite is such a prevalent mineral, it can be found all around the world in a wide variety of colors and formations. A noteworthy location that produces beautiful gemmy siderite specimens is the Morro Velho Mine in Minas Gerais, Brazil.

  • Morro Velho Mine Near Nova Lima, Brazil The Diggings

    The Morro Velho Mine is near Nova Lima, Brazil. The site was first discovered in 1825. The ore mined is composed of sphalerite, bornite and pyrite with waste material consisting primarily of epidote, rutile and tourmaline. The ore body is irregularly shaped of unknown dimensions.

  • mixmin10A - Hummingbird Minerals

    A gorgeous segregated crust of lustrous, gemmy, yellow-green Siderite blades and translucent light gray Dolomite rhombs, the latter richly dressed with bright, brassy, tabular, hexagonal Pyrrhotite crystals - from the famous 1960's find at the Morro Velho Gold Mine of Brazil. Seldom available in this quality. #B2199

  • Margraf Minerals Brazilian minerals I - Margraf Minerals

    Morro Velho gold mine is famous for some of the worlds best Siderites. Here you see a combination of lustrous, greenish-yellow blades of Siderite and colorless, translucent Dolomite. In addition, there are several tiny Pyrrhotite crystals perched on the edges.

  • Siderite with Pyrrhotite, Dolomite - Minerals For Sale

    Classic Brazilian specimen with lustrous translucent crystals of siderite to 2.0 cm in size across the top of this matrix. Colorless crystals of lenticular dolomite and small crystals of metallic pyrrhotite, the latter measuring to 0.5 cm in size, are present as well. Minimal micro-chipping along the edges, this still in

  • The Cornish in Latin America - University of Exeter

    By the 1930s the once dense migration chains that bound Cornish communities with Morro Velho began to break down, mainly as fewer Cornish were recruited as hard rock mining contracted across Cornwall. But the Cornish legacy is still visible in the area around Nova Lima.

  • MIXED MINERAL SPECIMENS FOR SALE ~ CAL NEVA MINERAL

    S-141 Siderite, Dolomite, Albite, Pyrrhotite and Quartz $185. Morro Velho Mine, Nova Lima, Iron Quadrangle, Minas Gerais, Brazil. 9 x 7.6 x 6.4 cm. This specimen hails from the world's oldest continually producing gold mine, started in 1725.

  • Dolomite CaMg(CO3 2 - Handbook of Mineralogy

    Dolomite CaMg(CO3)2 c 2001-2005 Mineral Data Publishing, version 1 Crystal Data: Hexagonal. Point Group: 3. Crystals typically combinations of {1011} and

  • Morro Velho Mine, Nova Lima, Iron Quadrangle, Minas Gerais

    S-141 Siderite, Dolomite, Albite, Pyrrhotite and Quartz $185 Morro Velho Mine, Nova Lima, Iron Quadrangle, Minas Gerais, Brazil 7.6 x 9 x 6.4 cm.

  • General Stock Page 1 - Crystal Mine

    JC8766. Siderite, dolomite. Morro Velho mine, Nova Lima, Iron Quadrangle, Minas Gerais Brazil. 7 x 8 cm 313g. $150.00. Another relative old timer. There are a couple of cleaved dolomite crystals that do not detract from the specimen. Scarce material these days. Collected in the 1960's. ON SALE, TAKE 40% OFF THE MARKED PRICE. JC8766. Another view.

  • MIXED MINERAL SPECIMENS FOR SALE ~ CAL NEVA MINERAL

    Morro Velho Mine, Nova Lima, Iron Quadrangle, Minas Gerais, Brazil 9 x 7.6 x 6.4 cm. This specimen hails from the world's oldest continually producing gold mine, started in 1725. Present on this specimen are lenticular crystals of Dolomite to 2.4 cm. and very clear Siderite crystals to 2.0 cm. in size.

  • Margraf Minerals Brazilian minerals I - Margraf Minerals

    Morro Velho gold mine is famous for some of the worlds best Siderites. Here you see a combination of lustrous, greenish-yellow blades of Siderite and colorless, translucent Dolomite. In addition, there are several tiny Pyrrhotite crystals perched on the edges. Morro Velho Mine is operating since 1725 and still producing Gold, Silver and Arsenic.

  • Morro Velho Gold Mine Near Nova Lima, Brazil The Diggings

    The Morro Velho Gold Mine is near Nova Lima, Brazil. The Morro Velho Gold Mine is a underground mining operation. Initial production took place in 1834. Mine operations consist of underground workings.

  • Cubanite, Siderite, Dolomite, Albite, Pyrrhotite, Morro

    An excellent specimen from this old, long closed mine. It is a cluster of siderite and dolomite crystals that is speckled with many pyrrhotite crystals and a number, at least eight or more sharp, beautiful cubanite crystals. There is also one large quartz crystal and a nice bladed white albite crystal.

  • Siderite Mineral Specimen For Sale - Dakota Matrix

    Morro Velho mine, Nova Lima, Minas Gerais, Brazil Tagged carbonate. Glassy, yellowish brown large rhombic crystals to 2cm. A very nice example of this common mineral. Siderite Formula FeCO 3 Crystal System Trigonal Crystal Habit Tabular, Massive, Botryoidal Cleavage Perfect, Perfect, Perfect Luster Vitreous (Glassy) Color

  • E.F. Morro Velho, Brazil

    The Morro Velho mine was sold in 1975 to AngloGold Ashanti Ltd. of South Africa. Two decades later, in 1994, "AGA" opened an impressive mining museum, the Centro de Memória Morro Velho, on Rua Enfermeiro José Caldeira Brant, in the Boa Vista district overlooking Nova Lima. It has become a popular tourist attraction [Google]:

  • Photos : Siderite - Morro Velho mine, Nova Lima, Minas

    Mining Companies Statistics Users Mineral Museums Mineral Shows & Events The Mindat Directory Device Settings The Mineral Quiz. Photos Siderite - Morro Velho mine, Nova Lima, Minas Gerais, Brazil. 28th Jul 2019 02:45 UTC Russ Rizzo

  • Siderite - Crystal Classics

    Morro Velho Mine, Nova Lima, Minas Gerais, Brazil, South America A beautiful rich cluster of deep golden-tan lenticular Siderite crystals, typically to 2.5 cm wide Buy Now View Item

  • Siderite - MD-144989 - Morro Velho mine (incl. Mina Velha

    MD-144989 Siderite Miniature, 4.2 x 3.7 x 1.7 cm Morro Velho mine (incl. Mina Velha; Mina Grande), Nova Lima, Iron Quadrangle, Minas Gerais, Southeast Region, Brazil

  • The Story of Morro Velho

    Eakin, Marshall C. British Enterprise in Brazil: The St. John D'el Rey Mining Company and the Morro Velho Gold Mine, 1830-1960. Durham: Duke University Press, 1989. 1-73. Hollowood, Bernard. The Story of Morro Velho. 1st ed. London: St. John D'el Rey Mining, 1955.

  • Siderite Fe2+ 3 - Handbook of Mineralogy

    Siderite Fe2+CO3 c 2001-2005 Mineral Data Publishing, version 1 Crystal Data: Hexagonal. from many mines in Cornwall, as at the Great Onslow Consols mine, St. Breward, Wheal Maudlin, Lanlivrey, Dolcoath mine, Camborne; from the Virtuous Lady mine, Tavistock, crystals. In Brazil, in the Morro Velho gold mine, Nova Lima, Minas Gerais, and

  • S. John Del Rey Mining Company: Morro Velho - World

    The Thereza Christina Maria collection is composed of 21,742 photos assembled by Emperor Pedro II (1825-91) throughout his life and donated by him to the National Library of Brazil. The collection covers a wide variety of subjects. It documents the achievements of Brazil and Brazilians in the 19th century and also includes many photographs of Europe, Africa, and North America.

  • e-Rocks Mineral Auctions

    The Morro Velho mine is well-known for its exceptional siderite specimen, oftenly associated with pyrrhotite and cubanite. Less known is that Morro Velho was a gold mine - even the world's oldest continually producing gold mine, started in 1725. Until 1960, it produced about 450 tons of gold.

  • Siderite With Dolomite - PB66 - Morro Velho Gold Mine

    Morro Velho Gold Mine, Nova Lima, Minas Gerais, Brazil Ex. Dr. Peter Bancroft Discoidal crystals of gemmy, lustrous, amber-yellow, siderite to 3.0 cm across are interspersed with colorless, lustrous, Dolomite crystals that also reach almost 3.0 cm across.


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