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The process in which magnesium is removed from the mineral dolomite (calcium magnesium carbonate) leaving behind the minerals calcite (calcium...

Despite sounding like something out of Harry Potter, a batholith is a type of igneous rock that forms when magma rises into the earth’s crust, but...

Toxic metals such as iron, lead and arsenic may have helped cause mass extinctions in the world’s oceans millions of years ago, according to recent...

On August 5, while investigating the Gold King Mine in southwestern Colorado, the U.S Environmental Protection Agency accidentally triggered the...

ANCHORAGE, Alaska — In the 20th century, Baranof Island in Southeastern Alaska has drawn attention for its gold, chrome and nickel deposits, timber...

The amount of water required to hydraulically fracture oil and gas wells varies widely across the country, according to the first national-scale...

SPOKANE, Wash. — Significant amounts of undiscovered copper may be present in northeast Asia according to a new U.S. Geological Survey report. USGS...

North America may have once been attached to Australia, according to research just published in Lithosphere and spearheaded by U.S. Geological Survey...

Newly released research from the U.S. Geological Survey describes U.S. hydraulic fracturing (frac) sand deposits and their locations, and provides...

USGS has released a preliminary methodology to assess the population level impacts of onshore wind energy development on birds and bats. This wind...