massive deposit
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Volcanogenic massive sulfide ore deposit — Volcanogentic massive sulfide ore deposit at Kidd Mine, Timmins, Ontario, Canada, formed 2.4 billion years ago on an ancient seafloor. Volcanogenic massive sulfide ore deposits (VMS ) are a type of metal sulfide ore deposit, mainly Cu Zn Pb which … Wikipedia
mineral deposit — Introduction aggregate of a mineral in an unusually high concentration. About half of the known chemical elements (chemical element) possess some metallic (metal) properties. The term metal, however, is reserved for those chemical… … Universalium
Broken Hill Ore Deposit — The Broken Hill Ore Deposit is located underneath Broken Hill in western New South Wales, Australia, and is the namesake for the town. It is arguably the world s richest and largest zinc lead ore deposit. Discovery The Broken Hill ore deposit was … Wikipedia
Porphyry copper deposit — Porphyry copper deposits are copper orebodies which are associated with porphyritic intrusive rocks and the fluids that accompany them during the transition and cooling from magma to rock. Circulating surface water or underground fluids may… … Wikipedia
Seafloor massive sulfide deposits — or SMS deposits, are modern equivalents of ancient volcanogenic massive sulfide ore deposits or VMS deposits. The term has been coined by mineral explorers to differentiate the modern deposit from the ancient.SMS deposits were first recognised… … Wikipedia
hydrothermal mineral deposit — ▪ geology any concentration of metallic minerals formed by the precipitation of solids from hot mineral laden water (hydrothermal solution). The solutions are thought to arise in most cases from the action of deeply circulating water heated … Universalium
pyroclastic flow deposit — GLOSSARY OF VOLCANIC TERMS Pyroclastic (volcaniclastic) deposits that are left by pyroclastic flows (Cas and Wright, 1987, p. 96). The deposits are usually topographically controlled (infilling valleys and topographic depressions), massive, and… … Glossary of volcanic terms
cave — cavelike, adj. /kayv/, n., v., caved, caving. n. 1. a hollow in the earth, esp. one opening more or less horizontally into a hill, mountain, etc. 2. a storage cellar, esp. for wine. 3. Eng. Hist. a secession, or a group of seceders, from a… … Universalium
Bastnäsite — Infobox mineral name = Bastnäsite category = Carbonate mineral boxwidth = boxbgcolor = imagesize = caption = formula = (Ce,La,Y)CO3F molweight = color = Honey yellow, reddish brown habit = Tabular to equant striated crystals, also granular,… … Wikipedia
Halite — For the market widely known as Halite , see Central Sofia Market Hall. Halite Halite from the Wieliczka salt mine, Małopolskie, Poland (size: 16x15x13cm) General Ca … Wikipedia
Panic of 1907 — A swarm gathers on Wall Street during the bank panic in October 1907. Federal Hall, with its statue of George Washington, is seen on the right. The Panic of 1907, also known as the 1907 Bankers Panic, was a financial crisis that occurred in the… … Wikipedia
