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Silica Crucible and Glass Desiccator
October 11, 2020

Silica Crucible and Glass Desiccator

Geochemists use platinum, silica, and ceramic crucibles, shown here in a glass container called a desiccator.  Silica is used because it is resistant to extremely high temperatures and because it is chemically inert. Silicon, linked up with a pair of oxygen molecules as silicon dioxide, is known as silica. 

Image shows a detail shot of a rock outcropping with grass covering in the background and two USGS scientists in hivis clothes
October 11, 2020

Kokolik River Oil Sand

Oil-saturated sandstone in the Nanushuk Formation in westernmost National Petroleum Reserve in Alaska (NPR-A). Oil in these rocks likely was generated beneath Western North Slope and migrated northeastward into NPR-A.

Image shows a landscape of a large rock and sediment outcropping with grass coverings
October 11, 2020

Kukpowruk Redwul

Faulted and folded petroleum source rocks in Jurassic and Cretaceous rocks (Kingak Shale, pebble shale unit, and gamma-ray zone of Hue Shale) in southern part of Western North Slope. Thermal maturity of these rocks are at the upper limit of oil preservations. Oil odor indicates that oil was generated from these rocks but it likely migrated to other rocks or was transformed

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Image shows two pyramidal rock outcroppings with grass coverings
October 11, 2020

Kukpowruk Redwul

Geologist examines f Faulted and folded petroleum source rocks in Jurassic and Cretaceous rocks (Kingak Shale, pebble shale unit, and gamma-ray zone of Hue Shale) in southern part of Western North Slope. Thermal maturity of these rocks is at the upper limit of oil preservations. Oil odor indicates that oil was generated from these rocks but it likely migrated to other

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October 2, 2020

May the Quartz Be With You

As part of Earth Science Week 2020, USGS scientist Shannon Mahan takes us on a tour of quartz and how geologists like her use quartz to study all kinds of things, from earthquakes to archaeology.
 

Attribution: Energy and Minerals
Map of Earth MRI critical minerals projects in Texas
September 29, 2020

Earth MRI Funds Critical Minerals Projects in Texas

USGS map of Earth MRI projects in Texas' Trans-Pecos region announced in September 2020.

Map of Earth MRI projects in West Virginia
September 29, 2020

Earth MRI Funds Critical Minerals Projects in West Virginia

USGS map of Earth MRI projects in West Virginia announced in September 2020.

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September 16, 2020

GeoDAWN: Geoscience Data Acquisition for Western Nevada

The USGS Earth Mapping Resources Initiative and USGS 3D Elevation Program (3DEP), Department of Energy Geothermal Technologies Office, Natural Resources Conservation Services, and Bureau of Land Management have partnered to conduct airborne geophysical and 3DEP lidar surveys over parts of Nevada and California to collect information on undiscovered geothermal, critical

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July 1, 2020

What minerals produce the colors in fireworks?

Mineral elements provide the color in fireworks. Barium produces bright greens; strontium yields deep reds; copper produces blues; and sodium yields yellow. Other colors can be made by mixing elements: strontium and sodium produce brilliant orange; titanium, zirconium, and magnesium alloys make silvery white; copper and strontium make lavender. Gold sparks are produced by

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March 1, 2020

Geologic Mapping at the USGS Florence Bascom Geoscience Center (AD)

The USGS Florence Bascom Geoscience Center (FBGC) is at the leading edge of scientific research addressing critical societal issues and providing unbiased data and information to decision makers and the public. This video highlights geologic framework

March 1, 2020

Geologic Mapping at the USGS Florence Bascom Geoscience Center

The USGS Florence Bascom Geoscience Center (FBGC) is at the leading edge of scientific research addressing critical societal issues and providing unbiased data and information to decision makers and the public. This video highlights geologic framework

click on image for full description
February 7, 2020

Mineral Commodities February 2020

The 43rd annual Mineral Commodity Summaries report from the USGS National Minerals Information Center is the earliest comprehensive source of 2019 world mineral production data. It includes information on the domestic industry structure, government programs, and tariffs as well as five-year salient statistics on more than 90 mineral commodities that are important to the U.

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