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The formation of the porphyry copper deposit at El Salvador culminated volcanic activity in the Indio Muerto district Host rocks for the ore are Cretaceous andesitic flows and sedimentary rocks overlain unconformably by lower Tertiary volcanics
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So how do we explore for Porphyry Copper Deposits which are completely covered by barren younger rocks Well let''s back up a bit we know that porphyries form under large subduction related volcanoes and that most of these are located under the ring of fire around the subducting pacific plate another fertile subduction zone occurs in Balkans Turkey Iran and Pakistan So this gives us a
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porphyry copper deposits were the first type of metallic mineral deposit to be exploited by largescale 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 grades
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Jan 14 2020 · About Libero Copper Gold Libero holds a collection of porphyry deposits throughout the Americas in prolific but stable jurisdictions The portfolio includes both exploration properties such as Big Red a new gold discovery in the Golden Triangle Canada
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What the best geophysical survey method for exploring and discovering a porphyry copper doing an extensive literature survey at the best University library I find these exploration methods The radiometric survey its important to discover the alteration K U
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The deposit is a porphyry coppermolybdenum dating from the Archean age The Haib CuMo deposit is arguably the oldest porphyry deposit in the world which hosts easily identifiable porphyry veins and alteration The principal mineralised hosts at Haib are a quartz feldspar porphyry and a feldspar porphyry
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Porphyry copper deposit density is inversely related to the exposed area of permissive rock The linear regression line and confidence limits constructed with the 19 control areas can be used to estimate the number of undiscovered deposits given the size of a permissive area
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Copper porphyry is a form of copper deposit that is often characterized as lowgrade typically with 04 and 10 concentration of copper and containing other minerals such as gold molybdenum and other trace elements in the ore body Copper porphyry deposits are almost always mined in industrialscale open pit operations
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Porphyry copper deposits are low grade but are important sources of copper because they can be worked at a large scale for low costs They typically contain between 04 and 1 percent copper in
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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 and breccia type deposits
WhatsApp Comments In ore 0002 gt Pt 0007 gt Pd 30 covered Surface disturbance about 5 square kilometers Associated with Late Cretaceous subvolcanic bodies and porphyry dikes intruded into Cambrian metamorphic rocks and Carboniferous granodiorites
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Porphyry coppergold deposits form in a variety of volcanic environments most commonly in continental margins and intraoceanic arcs These are large scale magmatichydrothermal systems associated with a series of porphyritic intrusions which result in extensive alteration footprints that we map and model to target high grade coppergold mineralization
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May 28 2014 · Copper in these deposits generally occurs in copperiron sulfide minerals such as chalcopyrite CuFeS 2 and bornite Cu 5 FeS 4 Brassyyellow Chalcopyrite is the primary copperbearing mineral in Porphyry deposits It can be most easily
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Porphyry Cu and porphyry Mo deposits are large to giant deposits ranging up to 20 and 16 Gt of ore respectively that supply about 60 and 95 of the world''s copper and molybdenum as well as significant amounts of gold and silver
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Corbett and Menzies Consulting Agenda ♦ Localisation of porphyry CuAu deposits PCD ♦ Factors that contribute to the high CuAu grades in porphyry deposits and metal zonations ♦ Stage model for the evolution of porphyry CuAu deposits incorporating time ♦ Field based vectors used to explore for porphyry CuAu deposits
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Copper remains Arizonas most abundant and valuable metallic mineral product In 2017 Arizona provided 68 of domestic copper production in the US Arizona has two major types of copper deposits Porphyry Copper in southern and central Arizona and the Volcanogenic Massive Sulfide Copper of the United Verde Mine in Jerome of central Arizona
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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 intrusionrelated deposits
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Major miners look to copper porphyry deposits for largetonnage lowcost operations We take a look at what makes for a copper porphyry takeover target
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A different but closely related group of deposits to Porphyry Copper Deposits are the skarn deposits Skarns are formed when hot magma intrudes the limestone the fluids from the intrusive alter the limestone to form an exoskarn The intrusives also simulates the limestone altering its composition and forming and endo skarns
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to many porphyry copper deposits for example Bingham Ut as well as crosscutting porphyrystyle mineralization for example Valea Morii Romania Primary Commodities Copper is the primary commodity of economic interest in most porphyry copper deposits although some deposits with low
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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
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Jan 11 2014 · Although copper has been mined from a number of different types of mineral deposits porphyry copper deposits are the most important source for copper accounting for more than 60 percent of the annual world copper production and approximately 65 percent of the known total copper
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Porphyry copper deposits of the world Information on porphyry copper deposits from around the world with grade and tonnage models a general classification based on geologic setting mineralogy with data allowing locations of these deposits to be plotted using GIS
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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
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