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 Management

All Laboratory Projects (regardless of branch)

Explore Our Science

News

Date published: March 11, 2021

USGS Updates Mineral Database with Gallium Deposits in the United States

In the latest database update based on the Critical Minerals List, the USGS has added Gallium to USMIN.

Date published: February 16, 2021

USGS Updates Mineral Database with Niobium Deposits in the United States 

The U.S. Geological Survey (USGS) has updated its USMIN Mineral Deposit Database (USMIN) for the mineral commodity niobium, one of 35 mineral commodities declared critical by the U.S. Department of the Interior. Sites in this dataset occur in Alaska, Arkansas, Colorado, Nebraska and Texas.

Publications

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Year Published: 2021

Landscape evolution in eastern Chuckwalla Valley, Riverside County, California

This study investigates sedimentary and geomorphic processes in eastern Chuckwalla Valley, Riverside County, California, a region of arid, basin-and-range terrain where extensive solar-energy development is planned. The objectives of this study were to (1) measure local weather parameters and use them to model aeolian sediment-transport potential...

East, Amy E.; Gray, Harrison J.; Redsteer, Margaret Hiza; Ballmer, Matthew
East, A.E., Gray, H.J., Redsteer, M.H., and Ballmer, M., 2021, Landscape evolution in eastern Chuckwalla Valley, Riverside County, California: U.S. Geological Survey Scientific Investigations Report 2021–5017, 46 p., https://doi.org/10.3133/sir20215017.

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Year Published: 2021

Dating fault damage along the eastern Denali fault zone with hematite (U-Th)/He thermochronometry

Unraveling complex slip histories in fault damage zones to understand relations among deformation, hydrothermal alteration, and surface uplift remains a challenge. The dextral eastern Denali fault zone (EDFZ; southwest Yukon, Canada) bounds the Kluane Ranges and hosts a variety of fault-related rocks, including hematite fault surfaces, which have...

McDermott, Robert G.; Ault, Alexis K.; Caine, Jonathan

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Year Published: 2021

Improved Automated Identification and Mapping of Iron Sulfate Minerals, Other Mineral Groups, and Vegetation using Landsat 8 Operational Land Imager Data, San Juan Mountains, Colorado, and Four Corners Region

Multispectral remote sensing data acquired by the Landsat 8 Operational Land Imager (OLI) sensor were analyzed using a new, automated technique to generate a map of exposed mineral and vegetation groups in the western San Juan Mountains, Colo., and the Four Corners Region of the United States. Band ratio results were combined into displayed...

Rockwell, Barnaby W.; Gnesda, William R.; Hofstra, Albert H.
Rockwell, B.W., Gnesda, W.R., and Hofstra, A.H., 2021, Improved automated identification and mapping of iron sulfate minerals, other mineral groups, and vegetation using Landsat 8 Operational Land Imager data, San Juan Mountains, Colorado, and Four Corners Region: U.S. Geological Survey Scientific Investigations Map 3466, 1 sheet, scale 1:325,000, 37-p. pamphlet, https://doi.org/10.3133/sim3466.