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Porphyry copper deposit

en.wikipedia.org/wiki/Porphyry_copper_deposit

Porphyry copper deposits are copper orebodies that are formed from hydrothermal fluids that ... Via compilation of geological data, it has been found that the majority of porphyry deposits are Phane...

Copper & Kids - Where Does Copper Come From?

www.copper.org/education/Kids/copperandkids_wheredoescopper.html

Copper is found in many parts of the world. It usually comes from copper ore, but small amounts are occasionally found ("native copper") in distorted cubic crystal ...

Copper - ScienceViews.com

scienceviews.com/geology/copper.html

Although native copper is somewhat rare, large amounts are found by the Great ... The amount of copper believed to be accessible for mining on the Earth's land  ...

The Mineral Copper - DesertUSA

www.desertusa.com/rocks-minerals/copper.html

Copper found in the free metallic state in nature is called "native copper." It is found throughout the world as a primary mineral in basaltic lavas. The greatest ...

Chemistry for Kids: Elements - Copper - Ducksters

www.ducksters.com/science/chemistry/copper.php

Where is copper found on Earth? Copper is found in the Earth's crust. Because copper is slow to react, it is often found in its pure form. This was how many ...

Extracting copper. Extracting copper. - School Science

resources.schoolscience.co.uk/CDA/11-14/chemistry/copch32pg2.html

Part of an interactive on-line booklet about extracting and recycling copper explaining how copper is ... Metals are found as ores buried in the Earth's crust.

5 Largest Copper Mines in the World - Investing News Network

investingnews.com/daily/resource-investing/base-metals-investing/copper-investing/3-largest-copper-mines-in-the-world/

Apr 21, 2016 ... Chile is the top copper-producing country in the world by a long shot, ... The record amount of material mined was more than countered by a 25 ...

Copper deposits - and why they are getting hard to find.

www.rockcollector.co.uk/editorial0412.htm

Given the overall volume of Earth's crust, that is a lot. ... Most copper is mined or extracted as copper sulfide from large open pit mines in porphyry copper ...

How Copper Desposits are Formed - Minerals Downunder ...

www.australianminesatlas.gov.au/education/down_under/copper/formed.html

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 ...

Copper - Mineral Fact Sheets - Australian Mines Atlas

www.australianminesatlas.gov.au/education/fact_sheets/copper.html

Copper (Cu) has a cultural significance as it was the first metal used by man ( probably as early as 7000 BC). Neolithic man mined native copper and used it as a ...

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Where is copper found on Earth? | Reference.com

www.reference.com

Copper, the oldest metal known to human beings, is found in ore deposits throughout the world, with the largest production occurring in Chile and the United ...

Copper | Minerals Education Coalition

mineralseducationcoalition.org

Most of the world's copper comes from the minerals chalcopyrite and chalcocite. Chrysocolla and malachite also are mined for copper. Other copper-bearing ...

Facts About Copper - Live Science

www.livescience.com

Oct 6, 2014 ... Properties, sources and uses of the element copper. ... About two-thirds of the copper on Earth is found in igneous (volcanic) rocks. About a ...