Geology, Geophysics, and Geochemistry Science Center

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Welcome to the Geology, Geophysics, and Geochemistry Science Center (GGGSC) located in Lakewood, Colorado on the Denver Federal Center. At GGGSC, we apply expertise in geology, geophysics, and geochemistry to interdisciplinary efforts in support of the USGS mission to address the Nation’s important earth science issues, with an emphasis on mineral resources.

Laboratories

Laboratories

Our center has several laboratories, ranging from geophysics to geochemistry to spectroscopy to scanning electron microscopes.

Center Laboratories

Science Branches

Our strong science portfolio integrates regional and economic geology with a broad range of geophysical, geochemical, analytical expertise. Our center has four scientific branches:

Geochemistry

Geophysics and Spectroscopy

Economic and Framework Geology

Spatial Analysis and Data Services

All Laboratory Projects (regardless of branch)

Explore Our Science

News

July 6, 2020

Energy Quarterly - Summer 2020

As summer begins, here are a few highlights in our Energy Quarterly Newsletter.  This edition is a quick overview of the Energy Resources Program's assessments, research, data, and publications.  We also share highlights from our fellow program in the USGS Energy and Minerals Mission Area, the Mineral Resources Program.  

Date published: April 29, 2020

New USGS Map Helps Identify Where Pyrrhotite, a Mineral that Can Cause Concrete Foundations to Fail, May Occur

The USGS has released its first-ever map of where the mineral pyrrhotite may occur in the contiguous United States. This research was mandated by Congress in the FY2019 appropriations bill for the USGS and was supported by the USGS Mineral Resources Program.

Publications

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Year Published: 2020

International geoscience collaboration to support critical mineral discovery

The importance of critical minerals and the need to expand and diversify critical mineral supply chains has been endorsed by the Federal governments of Australia, Canada, and the United States. The geoscience organizations of Geoscience Australia, the Geological Survey of Canada and the U.S. Geological Survey have created the Critical Minerals...

Kelley, Karen D.
Kelley, K.D., 2020, International geoscience collaboration to support critical mineral discovery: U.S. Geological Survey Fact Sheet 2020–3035, 2 p., https://doi.org/10.3133/fs20203035.

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Year Published: 2020

Influence of hydropower outflow characteristics affecting riverbank stability: The lower Osage River case (Missouri, USA)

This research examined the influences of outflow characteristics affecting riverbank stability. The 130 km stretch of the lower Osage River downstream from Bagnell Dam (Missouri, USA) provided an excellent case study for this purpose. The integrated BSTEM model with the HEC-RAS model was accurately calibrated and validated with data from the U.S....

Mohammed-Ali, Wesam; Mendoza, Cesar; Friedel, Michael J.
Attribution: Northern Prairie Wildlife Research Center, Ecosystems, Region 1: North Atlantic-Appalachian, California Water Science Center, Water Resources, Geology, Geophysics, and Geochemistry Science Center, Region 7: Upper Colorado Basin, South Atlantic Water Science Center (SAWSC), Water Resources, Region 2: South Atlantic-Gulf (Includes Puerto Rico and the U.S. Virgin Islands), Earthquake Science Center, Natural Hazards, Earthquake Hazards Program, Patuxent Wildlife Research Center, Ecosystems, Region 1: North Atlantic-Appalachian, Western Fisheries Research Center, Ecosystems, Fisheries Program, Caribbean-Florida Water Science Center, Region 2: South Atlantic-Gulf (Includes Puerto Rico and the U.S. Virgin Islands), Northern Prairie Wildlife Research Center, Ecosystems, Central Energy Resources Science Center, Energy Resources Program, Region 7: Upper Colorado Basin, Patuxent Wildlife Research Center, Ecosystems, Region 1: North Atlantic-Appalachian, Fort Collins Science Center, Ecosystems, Fort Collins Science Center, Ecosystems, United States of America, Pacific Coastal and Marine Science Center, Pacific Coastal and Marine Science Center, National Wildlife Health Center, Ecosystems, Wetland and Aquatic Research Center, Ecosystems, Region 4: Mississippi Basin, Water Resources, Columbia Environmental Research Center, Ecosystems, Region 4: Mississippi Basin, Climate Adaptation Science Centers, Land Resources, Climate Adaptation Science Centers, California Water Science Center, Water Resources, Core Science Systems, National Geospatial Program, National Geospatial Technical Operations Center, Core Science Systems, National Geospatial Program, National Geospatial Technical Operations Center, Wetland and Aquatic Research Center, Ecosystems, Region 4: Mississippi Basin, Community for Data Integration (CDI), Science Analytics and Synthesis (SAS), United States of America, Utah Water Science Center, Water Resources, Region 7: Upper Colorado Basin, Wetland and Aquatic Research Center, Ecosystems, Region 4: Mississippi Basin, Alaska Science Center, Ecosystems, Region 11: Alaska, Southwest Biological Science Center, Ecosystems, Western Ecological Research Center, Ecosystems, Geosciences and Environmental Change Science Center, Region 7: Upper Colorado Basin, Washington Water Science Center, Water Resources, Wetland and Aquatic Research Center, Ecosystems, Region 4: Mississippi Basin, Central Energy Resources Science Center, Energy Resources Program, Region 7: Upper Colorado Basin, Southwest Biological Science Center, Ecosystems, Science and Decisions Center, Alaska Science Center, Ecosystems, Region 11: Alaska, Utah Water Science Center, Water Resources, Region 7: Upper Colorado Basin, Patuxent Wildlife Research Center, Ecosystems, Region 1: North Atlantic-Appalachian, Earth Resources Observation and Science (EROS) Center, Earth Resources Observation and Science Center, Water, New Jersey Water Science Center, Water Resources, Region 4: Mississippi Basin, New Jersey, United States of America, St. Petersburg Coastal and Marine Science Center, Region 2: South Atlantic-Gulf (Includes Puerto Rico and the U.S. Virgin Islands), Upper Midwest Water Science Center, Water Resources, Washington Water Science Center, Water Resources, Wetland and Aquatic Research Center, Ecosystems, Region 4: Mississippi Basin, Fort Collins Science Center, Ecosystems, Earthquake Science Center, Natural Hazards, Earthquake Hazards Program, Northern Prairie Wildlife Research Center, Ecosystems, Pacific Coastal and Marine Science Center, National Geospatial Program, Upper Midwest Water Science Center, Geology, Minerals, Energy, and Geophysics Science Center, Natural Hazards, Earthquake Hazards Program, Region 7: Upper Colorado Basin, Central Energy Resources Science Center, Energy Resources Program, Region 7: Upper Colorado Basin, Alaska Science Center, Ecosystems, Region 11: Alaska, Woods Hole Coastal and Marine Science Center, Region 1: North Atlantic-Appalachian, Wyoming-Montana Water Science Center, Water Resources, Florence Bascom Geoscience Center, Western Fisheries Research Center, Ecosystems, Fisheries Program, Wetland and Aquatic Research Center, Ecosystems, Region 4: Mississippi Basin, Wetland and Aquatic Research Center, Ecosystems, Region 4: Mississippi Basin, New York, United States of America, Northern Prairie Wildlife Research Center, Ecosystems, Utah Water Science Center, Water Resources, Region 7: Upper Colorado Basin, Wetland and Aquatic Research Center, Ecosystems, Region 4: Mississippi Basin, New England Water Science Center, Water Resources, Region 4: Mississippi Basin, Colorado Water Science Center, Water Resources, Region 7: Upper Colorado Basin, Upper Midwest Environmental Sciences Center, Ecosystems, Upper Midwest Environmental Sciences Center, Ecosystems, Region 11: Alaska, California Water Science Center, Water Resources, Geology, Geophysics, and Geochemistry Science Center, Water Resources, Region 7: Upper Colorado Basin

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Year Published: 2020

Quantifying uncertainty for remote spectroscopy of surface composition

Remote surface measurements by imaging spectrometers play an important role in planetary and Earth science. To make these measurements, investigators calibrate instrument data to absolute units, invert physical models to estimate atmospheric effects, and then determine surface properties from the spectral reflectance. This study quantifies the...

Thompson, David R.; Braverman, Amy; Brodrick, Philip; Candela, Alberto; Carmon, Nimrod; Clark, Roger N.; Connelly, David; Green, Robert O.; Kokaly, Raymond; Li, Longlei; Mahowald, Natalie; Miller, Ronald L.; Okin, Gregory S.; Painter, Thomas H.; Swayze, Gregg A.; Turmon, Michael; Susilouto, Jouni; Wettergreen, David