hydrothermal deposit

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• Hydrothermal circulation — in its most general sense is the circulation of hot water; hydros in the Greek meaning water and thermos meaning heat. Hydrothermal circulation occurs most often in the vicinity of sources of heat within the Earth s crust. This generally occurs… …   Wikipedia

• Hydrothermal vent — Marine habitats White smokers emitting liquid carbon dioxide at the Champagne vent, Northwest Eifuku volcano, Marianas Trench Marine National Monument Littoral zone …   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

• deposit — /di poz it/, v.t. 1. to place for safekeeping or in trust, esp. in a bank account: He deposited his paycheck every Friday. 2. to give as security or in part payment. 3. to deliver and leave (an item): Please deposit your returned books with the… …   Universalium

• hydrothermal ore deposit — Any concentration of metallic minerals formed by the release 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 by magma. Another… …   Universalium

• deposit — GLOSSARY OF VOLCANIC TERMS Earth materials that have accumulated by some natural process (Gardner et al., 1995). Deposits may be the result of volcanic (e.g. lavas or pyroclastic), sedimentary (either clastic or chemical), or hydrothermal… …   Glossary of volcanic terms

• 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

• 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

• Loki's Castle (hydrothermal field) — Loki s Castle is a field of five active hydrothermal vents in the mid Atlantic ocean, located at 73 degrees north on the Mid Atlantic Ridge between Greenland and Norway [cite web |url=http://www.sciencedaily.com/releases/2008/07/080724153941.htm… …   Wikipedia

• Allchar deposit — Location …   Wikipedia

• Manto ore deposit — For other uses, see Manto (disambiguation). Manto orebodies are stratabound irregular to rod shaped ore occurrences usually horizontal or near horizontal in attitude. Manto deposits are an important source of copper, forming one of the world… …   Wikipedia