Metals

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Metals are found in many different places around the world. Many natural Earth processes affect their distribution and abundance. Metals are essential to our economy and lifestyle, and the global demand for metals continues to rise.

Basics

A copper sample. (Oxidation coating has been removed). Image Credit: USGS

Metals occur in many different geologic settings around the world. If enough metal is concentrated in one place to be of economic value, it is called an ore deposit. Well-known metals include copper, iron, gold, aluminum, manganese, and platinum, but nearly all of the sixty or so metals in the periodic table have practical uses. Geoscientists know that different types of ore deposits occur in areas where particular types of geologic processes have taken place.   Read more

Frequently Asked Questions

American Geosciences Institute
U.S. Geological Survey
American Geosciences Institute
American Geosciences Institute

Case Studies & Factsheets

Screenshot of the USEITI case studies showing the Humboldt and Lander counties case study highlighted

The U.S. Department of the Interior's Office of Natural Resources Revenue, Information and Data Management has produced a series of case studies on extractive industries across the United States, focusing on coal, copper, gold, iron, natural gas, and oil.

Fig. 1. Gold, 3.3 cm high, Round Mountain Mine, Nye County, Nevada. L. McMaster collection. Credit: J. Scovil

Geologic maps have provided the key to finding new gold deposits in Nevada. Defining the Problem The western states contain many gold deposits (Fig. 1), and a zone of faulted sedimentary and igneous rocks in northeastern Nevada, known as the “Carlin” trend, is the most productive region in the...

Screenshot of the USEITI case studies showing the Elko and Eureka counties case study highlighted

The U.S. Department of the Interior's Office of Natural Resources Revenue, Information and Data Management has produced a series of case studies on extractive industries across the United States, focusing on coal, copper, gold, iron, natural gas, and oil.

Screenshot of the USEITI case studies showing the Marquette County case study highlighted

The U.S. Department of the Interior's Office of Natural Resources Revenue, Information and Data Management has produced a series of case studies on extractive industries across the United States, focusing on coal, copper, gold, iron, natural gas, and oil.

Screenshot of the USEITI case studies showing the Greenlee County case study highlighted

The U.S. Department of the Interior's Office of Natural Resources Revenue, Information and Data Management has produced a series of case studies on extractive industries across the United States, focusing on coal, copper, gold, iron, natural gas, and oil.

Screenshot of the USEITI case studies showing the Pima County case study highlighted

The U.S. Department of the Interior's Office of Natural Resources Revenue, Information and Data Management has produced a series of case studies on extractive industries across the United States, focusing on coal, copper, gold, iron, natural gas, and oil.

Screenshot of the USEITI case studies showing the St. Louis County case study highlighted

The U.S. Department of the Interior's Office of Natural Resources Revenue, Information and Data Management has produced a series of case studies on extractive industries across the United States, focusing on coal, copper, gold, iron, natural gas, and oil.