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Porphyry Copper Deposits

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 The latter publication is exhaustive and is available through the ThULB in Jena...

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...

Everything You Need to Know About Copper Porphyries ,

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

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 ,...

Geology of Porphyry Copper Deposits

When it comes to porphyry deposits there are a number of variations on a theme and the deposits can be copper only, they can be copper gold, copper molybdenum or molybdenum only but regardless of the metal mix the process of deposit formation is the same...

Yulong, Porphyry copper deposit

Chen Jianping, Tang Juxing, Cong Yuan, Dong Qingji, and Hao Jinhua, 2009, Geological characteristics and metallogenic model in the Yulong porphyry copper deposit, east Tibet Acta Geologica Sinica, v 83, p 1887 1900...

Advances in Geology of the Porphyry Copper Deposits ,

the Porphyry Copper Deposits Southwestern North America PAGE 85 S R Titley Ed , The University of Arizona , information on the porphyry copper deposits of southwestern North America It is a sequel to an earlier summary volume published by the same group in 1966 The new volume is , Advances in Geology of the Porphyry Copper Deposits ....

Porphyry Copper Deposits

Cumulative sulphide enrichment of copper deposits, as exemplified by the major chalcocite blankets in the porphyry copper deposits of northern Chile and southern Peru, is optimized during tectonic uplift under semi-arid climatic conditions eg Alpers and Brimhall, 1988...

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...

Porphyry copper deposit mineralogy Britannica

Porphyry copper deposits, in which the copper materials are more or less uniformly scattered throughout the rock, account for the greatest tonnage of metal in the producing areas of the worldThe copper minerals in the upper portions of such deposits are in general oxides,...

Porphyry copper Revolvy

Aug 30, 2014 0183 32 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 ,...

Porphyry geology

Collectively, these type of deposits are known as porphyry copper deposits Rhomb porphyry Rhomb porphyry is a volcanic rock with gray-white large porphyritic rhomb-shaped phenocrysts embedded in a very fine-grained red-brown matrix...

Porphyry copper deposits of the world database, map, and ,

The foundation of mineral deposit models is information about known deposits-the purpose of this publication is to make this kind of information available in digital form for porphyry copper deposits...

Porphyry Copper Deposit Life Cycles

Exotic copper deposits, ferricretes, and manganocretes in Middle Tertiary through Holocene, alluvial sedimentary rocks are known to relate spatially to Sonoran porphyry copper deposits, but the nature of that relationship, especially for ferricretes and manganocretes, is poorly understood...

What is a Porphyry Copper Deposit?

porphyry copper deposits were the first type of metallic mineral deposit to be exploited by large-scale, bulk tonnage, open pit mining methods Economies of scale and advances in technology have made it possible to profitably mine these deposits despite their relatively low ore grad...

Porphyry copper deposit Revolvy

Porphyry copper deposit Bingham Canyon mine in 2005 The gray rocks visible in the pit are almost all in the primary-sulfide ore zone Porphyry copper deposits are copper orebodies that are formed from hydrothermal fluids that originate from a voluminous magma chamber several kilometers below the deposit ,...

PORPHYRY DEPOSITS

The major products from porphyry copper deposits are copper and molybdenum or copper and gold The term porphyry copper now includes engineering as well as geological considerations It refers to large, relatively low grade, epigenetic, intrusion-related deposits that can be ,...

porphyry copper AZGS Document Repository

Copper oxides are also found in Arizona in other types of deposits including stratabound, replacements, and veins Figures 2-4 show the distribution of these deposit types for metallic mineral districts with known production...

Mineral deposit

Porphyry deposits Among the most distinctive hydrothermal deposits is a class known as porphyry copper deposits, so called because they are invariably associated with igneous intrusives that are porphyritic meaning the rock is a mixture of coarse and fine mineral grains Porphyry copper deposits and their close relatives, porphyry molybdenum deposits contain disseminated mineralization ....

Investigation of the rare elements from the porphyry ,

porphyry copper deposits Roşia Poieni, Bucium-Tarniţa, Bolcana, Valea Mori , forming a system of veins with pyrite, sphalerite, galena, tennantite-tetrahedrite, chalcopyrite, native gold and others in the mineral assemblage...

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 173 ....

Porphyry Copper Systems1

Abstract Porphyry 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-hosted Au deposits in increasingly peripheral locations and superjacent high- and intermediate-sulfidation epithermal deposits...

Gold in porphyry copper deposits its abundance and fate ,

Porphyry copper deposits are among the largest reservoirs of gold in the upper crust and are important potential sources for gold in lower temperature epithermal deposits...

Formation of Porphyry Copper Deposits

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

PDF Distribution of gold in porphyry copper deposits

Analysis of 55 porphyry copper deposits demonstrates a continuum between porphyry copper-gold deposits emplaced at a median depth of 1 km, with a median size of 160 million metric tons of copper ....

Footprints of porphyry Cu deposits Vectors to the ,

porphyry copper deposits, despite different tectonic settings, magma compositions, ages, and ore mineral suites produce a relatively consistent mineralogic and geochemical zonation Note that...

Geophysical signatures of copper

ABSTRACT Geophysical data are presented for a number of deposits including the Batu Hijau, Elang, Grasberg, and Alumbrera porphyry copper-gold deposits the Martabe and Yanacocha high...

Porphyry Definition of Porphyry by Merriam

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,...

porphyry copper deposit at El Salvador, Chile Economic ,

Copper was mostly removed from the sericitic capping, but iron, molybdenum, and gold were relatively immobile during supergene leachingInterpretation of the space-time patterns and relations of the mineralization, alteration, volcanism, and intrusion allows reconstruction of the depositional environments of the El Salvador porphyry copper deposit...

3 Major Porphyry Deposits With Huge Potential

The Yerington Pit, the Giant Bear Deposit and then we have the MacArthur Oxide Deposit and we have the Groundhog Prospect which is immediately north of the Giant Pebble Deposit in Alaska Pebble is the largest undeveloped porphyry, copper, gold deposit in the world...