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We lead the Nation’s geologic mapping and provide impartial scientific information on geologic resources and their supply chains. Our work includes leading the development of the List of Critical Minerals, assessing domestic and foreign energy and mineral resources, and mapping areas with resource potential.
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News
A Case Study for Radon as a Tracer of Seabed Minerals
A Case Study for Radon as a Tracer of Seabed Minerals
Media Alert: Low-level Flights to Image Geology over Eastern California
Media Alert: Low-level Flights to Image Geology over Eastern California
USGS Updates U.S. Critical Mineral Deposits
USGS Updates U.S. Critical Mineral Deposits
Publications
Release and recapture: Limited carbon mobilization in sediment adjacent to Central Atlantic Magmatic Province sills, Florida, USA Release and recapture: Limited carbon mobilization in sediment adjacent to Central Atlantic Magmatic Province sills, Florida, USA
Large Igneous Provinces (LIPs) are associated with dramatic changes to the Earth system; their rapid release of carbon may initiate catastrophic climatic changes causing mass extinction. This carbon release is often associated with volcanic emissions, yet metamorphic carbon production is poorly constrained. Metamorphic carbon devolatilization occurs as intrusions interact with host...
Assessment of undiscovered conventional oil and gas resources in the Niger Delta Province of Nigeria and Cameroon, 2026 Assessment of undiscovered conventional oil and gas resources in the Niger Delta Province of Nigeria and Cameroon, 2026
Using a geology-based assessment methodology, the U.S. Geological Survey estimated undiscovered, technically recoverable mean conventional resources of 11.4 billion barrels of oil and 88.2 trillion cubic feet of gas in the Niger Delta Province of Nigeria and Cameroon.
Trace element heterogeneity and crystallization history of the Plesovice zircon: Implications for its use as a U–Pb LA-ICP-MS reference material Trace element heterogeneity and crystallization history of the Plesovice zircon: Implications for its use as a U–Pb LA-ICP-MS reference material
Zircon crystals from Plešovice hyperpotassic granulite (HPG) have been widely used as a reference material for LA-ICP-MS dating. Detailed cathodoluminescence (CL) imaging and trace element analysis reveal a complex internal structure of Plešovice zircon linked to extreme chemical heterogeneity, which allows us to distinguish different zircon domains formed during its crystallization: (i)...