Found 61 datasets matching "Tertiary rocks".
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This release presents the GIS data (in GDB, shapefile, and e00 [coverage] formats) and metadata for a 1:24,000-scale geologic map of the Poncha Pass area in central Colorado. A...
Search relevance: 67.64 | Views last month: 0 -
This 1:50,000-scale geologic map represents a compilation of the most recent geologic studies of the upper Arkansas River valley, between Leadville and Salida, Colorado. The valley is structurally...
Search relevance: 61.29 | Views last month: 0 -
This dataset is the assembled analytical results of geochemical, petrographic, and geochronologic data for samples, principally those of unmineralized Tertiary volcanic rocks, from the Tonopah,...
Search relevance: 59.21 | Views last month: 0 -
This geologic map of the Wabuska Geothermal Area outlines the locations of quaternary deposits, late tertiary volcanic and sedimentary rocks, late tertiary intrusive rocks and veins, Oligocene...
Search relevance: 57.71 | Views last month: 0 -
This is a polygon coverage and shapefile that contains undivided Upper Cretaceous rocks that include (in descending order) the Smoky Hollow and Tibbet Canyon Mbs. of the Straight Cliffs Fm., and...
Search relevance: 50.55 | Views last month: 0 -
This ArcView shapefile contains a polygon representing the boundary of the Powder River Basin based on a generalized contact of Cretaceous and Tertiary rocks. This theme was created specifically...
Search relevance: 49.00 | Views last month: 0 -
This is a polygon file of the outcrop and area underlain by the Drip Tank Mb. of the Straight Cliffs Fm. (Upper Cretaceous) east of 112 degrees of longitude in the Kaiparowits Plateau study area,...
Search relevance: 48.86 | Views last month: 0 -
A mineral resource assessment was performed by the U.S. Geological Survey (USGS) to assess the potential of undiscovered skarn-hosted tungsten resources in the Northern Rocky Mountain region of...
Search relevance: 48.56 | Views last month: 4 -
This data set consists of hydrogeology for the State of Nevada. Consolidated rocks and unconsolidated sediments are the two major hydrogeologic units. Consolidated rocks are subdivided into 8...
Search relevance: 48.11 | Views last month: 2 -
This is a polygon coverage and shapefile that defines areas that are underlain by the Osiris Tuff and Wasatch Fm. (Tert.), Pine Hollow Fm. (Tert.?), Canaan Peak Fm. (Tert.? and Cret.), and the...
Search relevance: 47.09 | Views last month: 2 -
This is a polygon coverage that represents areas underlain by the coal-bearing Calico and A-sequences of the Straight Cliffs Formation east of 112 degrees of longitude. It differentiates between...
Search relevance: 45.80 | Views last month: 0 -
This is a polygon coverage of the outcrop of the John Henry Member of the Straight Cliffs Formation east of 112 degrees of longitude in the Kaiparowits Plateau, southern Utah. This polygon was...
Search relevance: 45.79 | Views last month: 0 -
This is a polygon coverage of isopachs of the combined thickness of the Calico and A-sequences in the Kaiparowits Plateau study area. The outside polygon defines the base of the John Henry Member...
Search relevance: 45.49 | Views last month: 0 -
The Trans-Pecos region of West Texas and Southern New Mexico contains a series of rare earth element (REE) enriched ~ 34-36 Ma intrusive rhyolites and syenites. One such intrusive in the Sierra...
Search relevance: 45.32 | Views last month: 5 -
The magmatic, tectonic, and topographic evolution of what is now the northern Great Basin remains controversial, notably the temporal and spatial relation between magmatism and extensional...
Search relevance: 42.10 | Views last month: 0 -
This release provides the data for a comprehensive survey of geologic structures in the eastern Española Basin of the Rio Grande rift, New Mexico. The release includes data and analyses from 53...
Search relevance: 41.87 | Views last month: 0 -
This digital map shows the geographic extent of rock stratigraphic units (formations) as compiled by Colton in 1976 under the Front Range Urban Corridor Geology Program. Colton used his own...
Search relevance: 41.21 | Views last month: 0 -
This is a polygon coverage of the structure contours of the Calico sequence boundary in the Kaiparowits Plateau, southern Utah. Sequence boundary elevations are based on 166 drill sites. The...
Search relevance: 41.09 | Views last month: 0 -
The magmatic, tectonic, and topographic evolution of what is now the northern Great Basin remains controversial, notably the temporal and spatial relation between magmatism and extensional...
Search relevance: 40.48 | Views last month: 0 -
These are shapefiles and polygon coverages that contain numerous attributes of information on coal in the Calico and A-sequences of the Upper Cretaceous Straight Cliffs Formation in the...
Search relevance: 39.87 | Views last month: 0
