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USGS Estimates 21 Million Barrels of Oil and 27 Billion Cubic Feet of Gas in the Monterey Formation of the San Joaquin Basin, California

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...

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EarthWord: Dedolomitization

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

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EarthWord: Batholith

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...

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"Mutant" Fossils Reveal Toxic Metals May Have Contributed to World’s Largest Extinctions

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...
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USGS Scientists Study Effects of Gold King Mine Release

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

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Geologic Map of Baranof Island, Southeastern Alaska Now Online

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

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Water Used for Hydraulic Fracturing Varies Widely Across United States

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

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USGS Releases New Estimate of Copper Potential for Northeast Asia

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

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Tectonic Model Shows North America May Once Have Been Linked to Australia or Antarctica

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

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Hydraulic Fracturing (Frac) Sand Sources and Production in the United States

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

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Preliminary Wind Energy Impacts Assessment Methodology Released

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

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USGS Powder River Basin Coal Assessment Features an Estimate of the Reserve Base

The latest coal resource assessment of the Powder River Basin showcases the newly revised USGS’ assessment methodology, which, for the first time...

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