Filters: Tags: {"type":"Harvest Set"} (X) > Categories: Data (X) > partyWithName: Samuel A Johnstone (X)

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Detrital zircon geochronology and geochemistry data from the seafloor of the Bering Sea and adjacent river systems This dataset archives geochronology and geochemistry measurements from detrital zircons collected from samples taken from the Bering Sea and its major feeder rivers. Categories: Data; Tags: Bering Sea, Geochemistry, Marine Geology, Sedimentology, USGS Science Data Catalog (SDC), All tags... detrital zircon, geology, sediment provenance, sedimentology, stratigraphy, Fewer tags Surficial geologic map database of the Aztec 1-degree by 2-degree quadrangle, northern New Mexico and southern Colorado: Contributions to the National Geologic Map This data release presents geologic map data for the surficial geology of the Aztec 1-degree by 2-degree quadrangle. The map area lies within two physiographic provinces of Fenneman (1928): the Southern Rocky Mountains province, and the Colorado Plateau province, Navajo section. Geologic mapping is mostly compiled from published geologic map data sources ranging from 1:24,000 to 1:250,000 scale, with limited new interpretive contributions. Gaps in map compilation are related to a lack of published geologic mapping at the time of compilation, and not necessarily a lack of surficial deposits. Much of the geology incorporated from published geologic maps is adjusted based on digital elevation model and natural-color... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Alluvium, Animas River, Aztec, Canyon Largo, Chaco Canyon, All tags... Colluvium, Colorado, Eolian deposits, Fault, Geologic map, Geomorphology, Glacial deposits, Land Use Change, Mass-wasting deposits, National Cooperative Geologic Mapping Program (NCGMP), New Mexico, Rio Chama, Rio Grande, San Juan River, Sedimentology, Stratigraphy, Structural Geology, USGS Science Data Catalog (SDC), Fewer tags Thermochronologic data from the southern Stillwater Range, Nevada This dataset contains apatite and zircon U-Th(He)data, 4He/3He thermochronologic data, and apatite fission-track data from the southern Stillwater Range, Nevada Categories: Data; Tags: Geochemistry, Geochronology, Nevada, Stillwater Range, Structural Geology, All tags... Thermochronology, USGS Science Data Catalog (SDC), Fewer tags Surficial geologic map database of the Durango 1-degree by 2-degree quadrangle, southern Colorado: Contributions to the National Geologic Map This data release presents geologic map data for the surficial geology of the Durango 1-degree by 2-degree quadrangle and adjacent areas along the northern boundary of the quadrangle. The map area lies within two physiographic provinces of Fenneman (1928): the Southern Rocky Mountains province, and the Colorado Plateau province, Navajo section. Geologic mapping is mostly compiled from published geologic map data sources ranging from 1:24,000 to 1:250,000 scale, with limited new interpretive contributions. Gaps in map compilation are related to a lack of published geologic mapping, and not necessarily a lack of surficial deposits. Much of the geology incorporated from published geologic maps is adjusted based on... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Alluvium, Animas River, Colluvium, Colorado, Durango, All tags... Eolian deposits, Fault, Geologic map, Geomorphology, Glacial deposits, Groundwater and spring-discharge deposits, Los Pinos River, Mass-wasting deposits, Playa, lake, and wetland deposits, Rio Grande, San Juan Mountains, San Juan River, San Luis Valley, Sedimentology, Stratigraphy, Structural Geology, USGS Science Data Catalog (SDC), Fewer tags