porphyry deposit

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• 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

• Porphyry — (pronounced IPA|/ pɔː(ɹ)fɪri/, from the Greek polytonic|Πορφύριος porphyrios purple clad ) may refer to:*Porphyry (geology), a plutonic rock with large crystals in a fine grained matrix *Porphyry (philosopher) (c. 232 c. 305), a Neoplatonic… …   Wikipedia

• porphyry copper deposit — A large body of igneous rock, having distinct crystals in a relatively fine grained base, that contains chalcopyrite and other sulfide minerals. These deposits contain vast amounts of ore that averages a fraction of 1% copper by weight; although… …   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

• porphyry copper — noun West : a large low grade disseminated copper deposit …   Useful english dictionary

• 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

• 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

• 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

• Quartz-porphyry — Quartz porphyry, in petrology, is the name given to a group of hemi crystalline acid rocks containing porphyritic crystals of quartz in a fine grained matrix, usually of micro crystalline or felsitic structure. In specimens, the quartz appears as …   Wikipedia

• Copper mining in the United States — US primary copper production 1900 2008. Source: USGS …   Wikipedia

• Copper Flat Mine — The Copper Flat Mine (also classified as the Copper Flat Property, the Copper Flat Deposit, the Copper Flat Project, or simply as Copper Flat) is a former producing mine located in southwestern New Mexico that is currently in development. The… …   Wikipedia