porphyry copper deposits

porphyry copper deposits

Porphyry copper deposit - WikipediaPorphyry 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. In later.PORPHYRY DEPOSITS - Earth Science AustraliaThe 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 mined using mass mining techniques.

porphyry copper deposits,Preliminary Model of Porphyry Copper Deposits - USGS .Preliminary Model of Porphyry Copper. Deposits. By Byron R. Berger, Robert A. Ayuso, Jeffrey C. Wynn, and Robert R. Seal. Open-File Report 2008–1321. U.S. Department of the Interior. U.S. Geological Survey.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. Whether gold remains in porphyry copper deposits is important both to their economic attractiveness and to the distribution of gold in the upper crust.

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What is a Porphyry Copper Deposit? - Arizona Geological Society

Jan 11, 2014 . Over the last several years, many of you have probably heard the term “porphyry copper” and wondered what everyone is talking about. Porphyry copper deposits are very large mineralized systems that are typically formed by relatively small intrusions (stocks), which are several thousand feet in diameter.

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. In later.

Geology of Porphyry Copper Deposits - 911 Metallurgist

Oct 17, 2017 . Here let's understand the geology of porphyries and iron oxide copper gold deposits or IOCG as they are known. These are somewhat the giants of the ore deposits world. As a mining interested learner, the geology of porphyry copper deposits is vital to your education. Now in the first Exploration Geology.

porphyry copper deposits,Porphyry copper deposit | mineralogy | Britannica

Porphyry copper deposit, large body of rock, typically a porphyry of granitic to dioritic composition, that has been fractured on a fine scale and through which chalcopyrite and other copper minerals are disseminated. Porphyry copper deposits commonly contain hundreds of millions of metric tons of ore that averages a.

Everything You Need to Know About Copper Porphyries - Infographic

Mar 11, 2015 . In porphyry mineralization, there are many economic minerals that can be found: copper, gold, molybdenum, silver, lead, zinc, tin, and tungsten. There are also associated mineral deposits that can form that depend on the host rock and the distance from the heat source. These include skarn, epithermal,.

PORPHYRY DEPOSITS - Earth Science Australia

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 mined using mass mining techniques.

What is a Porphyry Copper Deposit? - Arizona Geological Society

Jan 11, 2014 . Over the last several years, many of you have probably heard the term “porphyry copper” and wondered what everyone is talking about. Porphyry copper deposits are very large mineralized systems that are typically formed by relatively small intrusions (stocks), which are several thousand feet in diameter.

What Investors Need to Know About Porphyry Copper Deposits .

May 4, 2017 . Porphyry copper deposits are among the world's most valuable deposits. Here's a brief overview of a few things investors should know about them.

Formation of Porphyry Copper Deposits - Stephen J. Reynolds

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

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.

Porphyry Deposits: The World's Largest Source of Copper | Geology .

May 28, 2014 . What is a Porphyry Deposit? The term “Porphyry” comes from the word “Porphyritic”, a textural term used by geologists when describing the mineral pattern within the rocks that commonly occur in copper porphyry deposits. Porphyry Copper deposits play an important role in the global economy.

Development of a Copper Porphyry deposit

May 31, 2015 . Development of a Copper Porphyry Porphyry copper deposits are copper orebodies that are formed from hydrothermal fluids that originate from a voluminous magm.

How are Copper deposits formed? - Australian Mines Atlas

Because copper reacts readily with other substances, it can be formed in a variety of ways in the Earth's crust. It is often found in deposits with other metals such as lead, zinc, gold and silver. By far the largest amounts of copper are found in the crust in bodies known as porphyry copper deposits. These deposits were once.

Generalized Models of Porphyry Copper Deposits - Mirasol .

Mirasol Resources Ltd. 910-850 West Hastings Street. Vancouver, BC. Canada V6C 1E1. (604) 602-9989 .mirasolresources. TSXV - MRZ. For further information contact: Stephen Nano. Generalized Models of Porphyry Copper Deposits: Anatomy, Alteration Zoning and Lithocap. Development.

Hydrothermal alteration at the Haib porphyry copper deposit, Namibia

Hydrothermal alteration at the Haib porphyry copper deposit, Namibia: Stable isotope and fluid inclusion patterns. J.M. Barr and D.L. Reid. Department of Geochemistry, University of Cape Town, Rondebosch 7700, Cape Town, RSA. Porphyry-type copper mineralisation is developed in a quartz-feldspar porphyry pluton of.

Malanjkhand: Proterozoic Porphyry Copper Deposit, M.P. India .

The Malanjkhand porphyry copper deposit is estimated to contain 789 million tonnes averaging 0.83% Cu cut-off-grade of 0.20% Cu, 0.004wt% Mo, 0.2 gm/T Au, 6 gm/T Ag. 448 million tonnes 0.84% Cu (millhead grade) are available for open pit mining to a depth of 100 MRL. The deposit can support a mine, mill, smelter.

A new technique for finding copper deposits | Cosmos

Feb 2, 2016 . A new technique could revolutionise the way mining companies identify copper deposits, particularly those located deep underground. The method focuses on the exploration for porphyry-type copper deposits – the most common source of copper ore, representing three quarters of the world's copper,.

Porphyry Copper Deposits - Seeking Alpha

Apr 21, 2016 . Porphyry deposits play a major role in mining production. These deposits contribute to approximately 60% of mined copper. The 10 largest deposits produced 25% o.

Geochronology of the porphyry copper deposits and related .

K–Ar dating demonstrates that all but eight of 41 dated porphyry copper and related ore deposits of Mexico were emplaced during the Laramide episode of maximum plate convergence. One older deposit is related to the Jurassic volcanic arc of western North America, one is pre-Laramide Cretaceous, four are Oligocene in.

Ore Deposit Models – 1. Porphyry Copper Deposits | McMillan .

Ore Deposit Models – 1. Porphyry Copper Deposits.

Porphyry Cu deposits

Porphyry Cu deposits are defined as large, low- to medium - grade Cu deposits, in which hypogene sulfides are primarily structurally controlled, and which are spatially related to felsic or intermediate porphyritic intrusions (I-type granitoids ± their volcanic equivalents). Note that not all porphyry type deposits are mined for.

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