stephen j reynolds porphyry copper

Far Southeast

Hedenquist, JW, 1999, Far Southeast-Lepanto porphyry-epithermal Cu-Au deposits, Philippines: Coupled hydrothermal processes between the porphyry and high-sulfidation environments, in Weber, Graeme, ed, PACRIM 99 Congress International Congress on Earth Science, Exploration and Mining around the Pacific Rim, Bali, Indonesia, October 10 13 ....

Treasure of Sierra Cobre Home Page

Treasure of Sierra Cobre -- How Do We Find Copper? This website contains a geologic education module that allows students to get a feel for how we explore for mineral deposits Any material within the site can be used with no restrictions for educational, noncommercial purposes, as ,...

20 results in SearchWorks catalog

Cerro Verde-Santa Rosa copper-molybdenum deposits, Peru : magmatic, hydrothermal, and supergene characteristics of two adjacent porphyry systems / Ralph J Stegen, Mark D Barton, and Jerome A Waegli; Discovery, geologic setting, and controls on iron mineralization, South Flank, western Australia / Joe Knight [and 3 others]...

Fault (geology)

An example of a fault hosting valuable porphyry copper deposits is northern Chile's Domeyko Fault with deposits at Chuquicamata, Collahuasi, El Abra, El Salvador, La Escondida and Potrerillos , Davis, George H; Reynolds, Stephen J (1996) "Folds"...

Ore Geology Reviews | Vol 104, Pages 1

Shannon B Gill, Stephen J Piercey, Graham D Layne, Glenn Piercey Pages 422-435 Download PDF , select article A new hypothesis on parameters controlling the formation and size of porphyry copper deposits: Implications on thermal gradient of subducted oceanic slab, depth of dehydration and partial melting along the Kerman copper belt in Iran...

Lakeshore, Porphyry copper deposit

Einaudi, MT, 1982, Description of skarns associated with porphyry copper plutons, southwestern North America, in Titley, SR, ed, Advances in geology of the ....

KENNECOTT CORPORATION

KENNECOTT CORPORATION , Copper Corporation is inseparable from the story of the development of copper mining in Utah Important in the formation of the copper industry in the late nineteenth century were Enos A Wall, Newhouse, Daniel C Jackling, and the Guggenheim family Wall appreciated the potential of low-grade porphyry copper ....

MINERALIZED AREAS IN THE SAN CARLOS

identifies mineralized areas in the San Carlos-Safford-Duncan Nonpoint-Source Management Zone (Figure 1) and their potential affects on water quality Natural processes can concentrate an element or group of elements in a particular area Information on the location, size, and characteristics of these naturally-occurring mineralized areas may help...

Formation of Porphyry Copper Deposits

© Stephen J Reynolds, Dept of Geology, Arizona State University...

Porphyry copper deposit

Porphyry copper deposits are copper orebodies that are formed from hydrothermal fluids that originate from a voluminous magma chamber several kilometers below the deposit itself Predating or associated with those fluids are vertical dikes of porphyritic intrusive rocks from which this deposit type derives its ,...