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Porphyry Copper Deposits

GEOLOGY AND EVOLUTION OF THE COPPER FLAT PORPHYRY .

The Copper Flat porphyry copper deposit is a low-grade hypogene deposit that is concentrated within a breccia pipe in the CQFM stock and contains pyrite, chalcopyrite, chalcocite, molybdenite, azurite, malachite, and cuprite.

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Porphyry copper deposit - Wikipedia

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 name.

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King Copper | AZGS

Porphyry copper deposits commonly yield molybdenum and silver as co-products, were The intrusive activity responsible for Arizona's porphyry copper deposits occurred about 70 million years ago, in the Earth's crust deep below the ground surface.

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porphyry copper | AZGS Document Repository

Three mineralizing episodes, each with a distinctive deposit type, are responsible for the majority of Arizona's copper deposits. Stratabound volcanogenic massive sulfide deposits formed during the Proterozoic; the economically important porphyry copper deposits were emplaced at the Cretaceous - Tertiary boundary; and deposits associated with .

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Everything You Need to Know About Copper Porphyries .

Everything You Need to Know About Copper Porphyries. Presented by Entrée Gold. What is a Porphyry? Porphyry deposits are very large, polymetallic systems that typically contain copper along with other important metals.

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Porphyry copper deposit - The Full Wiki

From Wikipedia, the free encyclopedia. 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 .

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Porphyry Copper Deposits - mingeoch.uni-jena.de

Porphyry Copper Deposits This text is based mostly on the Economic Geology Notes by Ron Morton and the review of porphyry-copper deposits by Sillitoe (2010).

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EXPLORATION OF GENETIC LINKS BETWEEN BRECCIA PIPES .

exploration of genetic links between breccia pipes and porphyry copper deposits in a laramide hydrothermal system, sombrero butte, pinal county, arizona

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Porphyry (geology) - Wikipedia

The term porphyry is also used for a mineral deposit called a "copper porphyry". The different stages of cooling that create porphyritic textures in intrusive and hypabyssal porphyritic rocks also lead to a separation of dissolved metals into distinct zones.. This process, which occurs primarily when fluids are driven off the cooling magma, is one of the main reasons for the existence in the .

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Porphyry Copper Systems* - University of Utah

Porphyry Copper Systems* . Cu systems host some of the most widely distributed mineralization types at convergent plate boundaries, including porphyry deposits centered on intrusions; skarn, carbonate-replacement, and sediment- . (Sillitoe, 2005, and references therein). Regional- and District-Scale Characteristics

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Footprints of porphyry Cu deposits: Vectors to the .

Footprints of porphyry Cu deposits: Vectors to the hydrothermal center using mineral mapping and lithogeochemistry By the Principal Investigator, John H. Dilles . porphyry copper deposits, despite different tectonic settings, magma compositions, ages, and ore

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What is a Porphyry Copper Deposit? by David F. Briggs on .

Porphyry copper deposits are also important sources for other metals, including molybdenum, gold and silver. Minor amounts of rhenium, tellurium, arsenic, zinc and platinum group elements are

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The formation of porphyry copper deposits | SpringerLink

Copper is a moderately incompatible chalcophile element. Its behavior is strongly controlled by sulfides. The speciation of sulfur is controlled by oxygen fugacity. Therefore, porphyry Cu deposits.

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CHAPTER 4 PORPHYRY DEPOSITS - British Columbia

CHAPTER 4 PORPHYRY DEPOSITS CLASSIFICATION AND GEOLOGICAL CHARACTERISTICS The development of the first porphyry copper and molybdenum deposits in British Columbia in .

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The Tops and Bottoms of Porphyry Copper Deposits

Economic Geology VoL 68, 1973, pp. 799-815 The Tops and Bottoms of Porphyry Copper Deposits RICHARD H. SILLITOE Abstract Although it is now widely accepted that porphyry copper deposits consist of zonally

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Porphyry Copper Gold Exploration in Peru - Indico Resources

Porphyry Copper Gold Exploration in Peru Indico Resources Ltd. is a mineral exploration company focused on the discovery and exploration of porphyry copper deposits in South America.

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Preliminary Model of Porphyry Copper Deposits

Copper is the primary commodity of economic interest in most porphyry copper deposits, although some deposits with low to very low copper grades are mined principally for their gold (for example, Çopler, Turkey) and(or) molybdenum (for example,

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Advances in Geology of the Porphyry Copper Deposits .

Advances in Geology of the Porphyry Copper Deposits: Southwestern North America PAGE 85 S. R. Titley (Ed.), The University of Arizona Press, Tucson, xiv + 560 pp., 1982, 35.00

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porphyry copper deposit at El Salvador, Chile | Economic .

The well-known similarities of porphyry copper deposits from many parts of the world are variations on a common theme. The differences and unique features exhibited by individual deposits reflect the imprint of local variables upon the basic model.

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Porphyry | Definition of Porphyry by Merriam-Webster

Porphyry definition is - a rock consisting of feldspar crystals embedded in a compact dark red or purple groundmass. a rock consisting of feldspar crystals embedded in a compact dark red or purple groundmass; an igneous rock of porphyritic texture.

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Porphyry Copper: The World's Most Valuable Deposits .

By Leia Michele Toovey-Exclusive to Copper Investing News Porphyry deposits are the world's most important source of copper and molybdenum,.

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Porphyry Copper Deposits of the American Cordillera

Porphyry copper deposits in the American southwest comprise a distinctive and important metal resource. Their exploration and exploitation during the past hundred years was accompanied by significant advances in geological knowl­ .

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Hydrothermal alteration at the Haib porphyry copper .

of copper deposit, the so-called porphyry-type, that is estimated to contain nearly 50% of the worlds' pre- served of this strategic metal (Gustafson, 1978; Guil-

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Porphyry Copper Deposits - scribd

Porphyry Copper Deposits - Download as PDF File (.pdf), Text File (.txt) or read online.

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Porphyry Copper Deposit Model - USGS

This report contains a revised descriptive model of porphyry copper deposits (PCDs), the world's largest source (about 60 percent) and resource (about 65 percent) of copper and a major source of molybdenum, gold and silver. Despite relatively low grades (average 0.44 percent copper in 2008), PCDs .

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Porphyry Copper, Gold, and Molybdenum Deposits: Preface .

©2013 Society of Economic Geologists . Compilation 7 . Porphyry Copper, Gold, and Molybdenum Deposits: Preface . EDITOR: DAVID R. COOKE. CODES – The Australian Research Council's Centre for Excellence in Ore Deposit Research, . University of Tasmania, .

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2.2 Porphyry-epithermal mineral system - Geoscience Australia

An important feature of the porphyry-epithermal mineral system is the telescoping of different deposit types, for instance porphyry Cu-Au-Mo deposits and epithermal deposits of various types. 2.2.2 Sources of fluid, metals and energy

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New Mexico Geological Society

New Mexico Geological Society Guidebook, 59POTENTIAL FOR LARAMIDE PORPHYRY COPPER DEPOSITSth Field Conference, Geology of the Gila Wilderness - Silver City Area, . Porphyry copper deposits are found along the margins of vol-canic arcs in subduction zones (Sillitoe, 1972; Seedorff et al.,

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PPT – Porphyry Deposits PowerPoint presentation | free to .

Porphyry and Epithermal Systems Sciencedriven Exploration Successes - Porphyry copper-molybdenum and copper-gold deposits are centred . Detailed .

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Porphyry Copper Deposits | Geology for Investors

Most of the world's copper is extracted from a type of mineral deposit called a "porphyry copper". If you've seen a picture of a great big open-pit mining operation odds are that it was a porphyry copper deposit. Some of the biggest man-made holes in the ground are porphyry copper mines: Bingham Copper Mine, Utah, and Chuquicamata in Chile, and two of the largest.

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