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Rock mass quality and structural geology observations in northwest Prince William Sound, Alaska from the summer of 2021 Rock mass quality and structural geology observations in northwest Prince William Sound, Alaska from the summer of 2021
Multiple subaerial landslides adjacent to Prince William Sound, Alaska (for example, Dai and others, 2020; Higman and others, 2023; Schaefer and others, 2024) pose a threat to the public because of their potential to generate ocean waves (Dai and others, 2020; Barnhart and others, 2021; Barnhart and others, 2022) that could impact towns and marine activities. One bedrock landslide on the...
Mercury Methylation Assay Along a Salinity Gradient in Coastal Peat Soils in the Florida Everglades Mercury Methylation Assay Along a Salinity Gradient in Coastal Peat Soils in the Florida Everglades
This data was collected as part of a laboratory study examining the effects of sea level rise on mercury (Hg) methylation and demethylation rates in peat cores collected from the Florida Everglades. Peat cores were collected from a freshwater region of the Everglades, Water Conservation Area 3, in 2022 and taken to the University of California-Davis for methylation and demethylation...
USGS National and Global Oil and Gas Assessment Project—East Africa and Seychelles Provinces: Assessment Unit Boundaries, Assessment Input data, and Fact Sheet Data Tables USGS National and Global Oil and Gas Assessment Project—East Africa and Seychelles Provinces: Assessment Unit Boundaries, Assessment Input data, and Fact Sheet Data Tables
This data release contains the boundaries of assessment units, assessment input data, and resulting fact sheet data tables for the assessment of undiscovered oil and gas resources in the offshore East Africa and Seychelles region. The Assessment Unit is the fundamental unit used in the National and Global Oil and Gas Assessment Project for the assessment of undiscovered oil and gas...
Particle size distribution data from U.S. Army Base Fort Drum, Jefferson County, New York, 2023 (ver. 1.1, May 2025) Particle size distribution data from U.S. Army Base Fort Drum, Jefferson County, New York, 2023 (ver. 1.1, May 2025)
The dataset documents results from particle size analysis (PSA) conducted on a suite of sediment samples from U.S. Army Base Fort Drum, Jefferson County, New York. Most of the PSA samples were collected from representative cells in a series of five portable optically stimulated luminescence (OSL) grids, here denoted G1 through G5, to constrain variations in grain size. These samples were...
Dataset establishing shallow storage of the explosive Earthquake Flat Pyroclastics magma body, Okataina Volcanic Center, Taupo Volcanic Zone, New Zealand: evidence from phase-equilibria experiments Dataset establishing shallow storage of the explosive Earthquake Flat Pyroclastics magma body, Okataina Volcanic Center, Taupo Volcanic Zone, New Zealand: evidence from phase-equilibria experiments
These data are geochemical analyses of Earthquake Flat Pyroclastics pumice and phase equilibria experiments.
Soil Characteristics and Accretion Rates in Mangrove Forests across Pohnpei, Federated States of Micronesia Soil Characteristics and Accretion Rates in Mangrove Forests across Pohnpei, Federated States of Micronesia
Soil cores were collected in mangrove forests across Pohnpei, Federated States of Micronesia to understand spatial variation in accretion rates. Cores were dated using lead-210 and processed for bulk density and organic matter percent through loss-on-ignition analysis. A total of 30 cores were successfully dated across seven regions around the island.