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Many grassland bird species in the Bakken shale region, including some seriously declining populations, are displaced from their habitats as a result...

A graben is a piece of Earth’s crust that is shifted downward in comparison to adjacent crust known as “horsts,” which are shifted upward.

The Monterey Formation in the deepest parts of California’s San Joaquin Basin contains an estimated mean volumes of 21 million barrels of oil, 27...

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...