mineral+vein

  • 61footwall — /ˈfʊtwɔl/ (say footwawl) noun the rock base underlying a mineral vein, reef or fault …

  • 62wall rock — /ˈwɔl rɒk/ (say wawl rok) noun the rock forming the walls of a mineral vein, fault or igneous intrusion …

  • 63drift — n. & v. n. 1 a slow movement or variation. b such movement caused by a slow current. 2 the intention, meaning, scope, etc. of what is said etc. (didn t understand his drift). 3 a large mass of snow, sand, etc., accumulated by the wind. 4 esp.… …

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  • 64Erhardt v. Boaro, (113 U.S. 527) — SCOTUSCase Litigants=Erhardt v. Boaro ArgueDate=January 14 ArgueYear=1885 DecideDate=March 2 DecideYear=1885 FullName=Erhardt v. Boaro USVol=113 USPage=527 Citation= Prior= Subsequent= Holding= SCOTUS=1882 1887 Majority= JoinMajority= LawsApplied …

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  • 65Orex Exploration — Inc. Type Public (TSX V: OX) Industry Mining Founded 1987 …

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  • 66General Mining Act of 1872 — The General Mining Act of 1872 is a United States federal law that authorizes and governs prospecting and mining for economic minerals, such as gold, platinum, and silver, on federal public lands. This law, approved on May 10, 1872, codified the… …

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  • 67Cobalt Silver Rush — The Cobalt Silver Rush started in 1903 when huge veins of silver were discovered by workers on the Temiskaming and Northern Ontario Railway (T NO) near the Mile 103 post. By 1905 a full scale silver rush was underway, and the town of Cobalt,… …

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  • 68Uranium mining in Colorado — Uranium mining in Colorado, United States, goes back to 1872, when pitchblende ore was taken from gold mines near Central City, Colorado. The Colorado uranium industry has seen booms and busts, but continues to this day. Not counting byproduct… …

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  • 69History of mining in Sardinia — Mining and the processing of minerals date back to ancient times in Sardinia.Ancient traders and conquerors, attracted by the astonishing underground riches, were drawn to the island s coast. Evidence of ancient metal processing is given in the… …

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  • 70Turquoise — For other uses, see Turquoise (disambiguation). Turquoise Turquoise (tumble finished) one inch (25 mm) long. This pebble is greenish and therefore low grade General …

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