Roughly 3,700 minerals are found in the Earth's crust, according to KidsGeo.com. Igneous, sedimentary and metamorphic rocks are found everywhere on the Earth's surface and at the bottom of the ocean. Minerals utilized by humans are most often found in mines and mining operations on every inhabited continent.
The United States contains several mines that produce valuable minerals. Arizona and Michigan have copper mines that produce industrial grade and ornamental minerals. California extracts boron from hot springs that also make carbonate and sulfate minerals. Magnet Cove in Arkansas is known for titanium-based minerals such as rutile, anatase and brookite.
International mines also harvest minerals humans need. Sites in New South Wales, Australia produce copper, lead and silver. Cornwall, England has mines that have been worked for centuries extracting silver, tin, lead, copper, iron and tungsten. Ontario, Canada features areas with cobalt and silver. One mine in Saxony, Germany has been in use since ancient Roman times and produces more than 300 minerals.
According to Maps of the World, uranium is mined in Canada, Australia, Africa, central Asia and France. Gold is extracted in countries such as Russia, Canada, Brazil, South Korea and South Africa. The world's diamond mines are located in Brazil, southern Africa, India and Siberia.
The most common minerals found in the Earth's crust include silicate rocks such as quartz, mica and olivine. Major mineral classes are halides, oxides, sulfides, sulfates and carbonates.Learn More
Tulane University defines an ore as a body of material from which one or more valuable substances can be extracted. For example, bauxite ore is mined and refined to extract aluminum.Full Answer >
The three classes of rocks are sedimentary, metamorphic and igneous. The most significant differences found among these the three types have to do with how the rock is formed.Full Answer >
The electron configuration for copper is 1s2 2s2 2p6 3s2 3p6 4s1 3d10. Copper is an electropositive element, meaning it donates electrons to other atoms. In general, copper can donate either one or two electrons.Full Answer >
Chert is most often created when microcrystals of silicon dioxide are formed within soft sediments that over time will turn into chalk or limestone. When large amounts of silicon dioxide microcrystals are present in the sediment, they start to clump together and can eventually form whole layers of chert within a limestone deposit.Full Answer >