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Filters Date Range Past year (1) Past month (0) Past week (0) Past day (0) Custom range... To   Search Contacts U.S. Geological Survey - ScienceBase Core Science Systems Jorge A Vazquez Geology, Minerals, Energy, and Geophysics Science Center National Cooperative Geologic Mapping Program More... Categories Data (2) Tag Types Theme (3) Place (3) USGS Scientific Topic Keyword (3) Harvest Set (3) Tag Schemes None (2) USGS Thesaurus (1) Common geographic areas (1) ISO 19115 Topic Category (1) View Results as: JSON ATOM CSV

Tabular geochronologic and geochemical data from metasedimentary and associated rocks in the Lane Mountain area, San Bernardino County, California This dataset provides geochronologic and geochemical data for selected metasedimentary and associated rock samples collected in the Lane Mountain area about 20 kilometers northeast of Barstow, California. Geochronologic data were obtained for 24 samples, and geochemical data were obtained for 5 of these. The dataset consists of four tables in csv (comma separated values) format: (1) sample localities and lithology; (2) LA-SF-ICPMS (Laser Ablation Sector Field Inductively Coupled Plasma Mass Spectrometry) U-Pb (uranium-lead) zircon geochronologic data; (3) SHRIMP-RG (Sensitive High-Resolution Ion Microprobe-Reverse Geometry) U-Pb zircon geochronologic data; and (4) whole-rock geochemical data determined by ICP-AES-MS... Categories: Data; Tags: Barstow, California, El Paso terrane, Geochemistry, Lane Mountain, All tags... San Bernardino County, Stratigraphy, USGS Science Data Catalog (SDC), United States, geochemistry, geochronology, geology, zircon, Fewer tags Digital Data for the Preliminary Bedrock Geologic Map of the Blythe 30' x 60' Quadrangle, California and Arizona This Geologic Map Schema (GeMS) database contains all the geologic map information used to publish the Preliminary Bedrock Geologic Map of the Blythe 30' x 60' Quadrangle, California and Arizona, U.S. Geological Survey Open-File Report 2021-1097. The Blythe 30' x 60' quadrangle in southeastern California and southwestern Arizona displays complex geology that includes Mesozoic contractional deformation, metamorphism, and magmatism and Cenozoic extensional deformation and magmatism. The scope of the present map is limited to bedrock units of Miocene and older age because the younger deposits have not been mapped in sufficient detail across the quadrangle to support a systematic compilation. This geologic map database... Tags: Arizona, Big Maria Mountains, Blythe, California, Colorado River, All tags... Colorado River Indian Reservation, Copperstone Mine, Dome Rock Mountains, GeMS (Geologic Map Schema), La Paz County, Little Maria Mountains, Lower Colorado, McCoy Mountains, NCGMP (National Cooperative Geologic Mapping Program), NGMDB (National Geologic Map Database), Palo Verde Valley, Parker Valley, Plomosa Mountains, Riverside, Riverside County, USGS Science Data Catalog (SDC), United States, bedrock geologic units, data integration, digitization, faulting (geologic), folding (geologic), foliation (geologic), geologic contacts, geologic history, geologic maps, geologic structure, geology, geoscientificInformation, geospatial datasets, gold, igneous rocks, lineation (geologic), metamorphic rocks, mining and quarrying, none, plutonic rocks, rocks and deposits, sedimentary rocks, unconsolidated deposits, volcanic rocks, Fewer tags Tabular geochronologic, geochemical, and isotopic data from igneous rocks in the Lane Mountain area, San Bernardino County, California This dataset provides geochronologic, geochemical, and isotopic data for selected igneous rock samples collected in the Lane Mountain area about 20 kilometers northeast of Barstow, California. Uranium-lead (U-Pb) zircon geochronologic and whole-rock geochemical data were obtained for 62 samples of which 28 are from Permian to Triassic plutonic rocks and dikes, 24 are from Late Jurassic plutonic rocks, 6 are from Late Cretaceous plutonic rocks and dikes, and 4 are from Miocene volcanic rocks, Rubidium-strontium (Rb-Sr) isotopic data were obtained for 8 of the Permian to Triassic samples, 9 of the Late Jurassic samples, and 4 of the Late Cretaceous samples. Oxygen isotope data were obtained for 2 Permian to Triassic... Categories: Data; Tags: Barstow, California, El Paso terrane, Geochemistry, Lane Mountain, All tags... San Bernardino County, USGS Science Data Catalog (SDC), United States, geochemistry, geochronology, geology, isotope geology, zircon, Fewer tags