Found 223 datasets matching "Precambrian".
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In 1968, the Missouri Geological Survey (MGS) established the Operation Basement program to address three objectives: a) to obtain drill hole and underground mining data relative to the structure...
Search relevance: 121.95 | Views last month: 1 -
For use as part of a regional petroleum assessment, the USGS in the early 1990’s developed a dataset reporting elevation on the surface of the Precambrian basement of the central and southern...
Search relevance: 102.29 | Views last month: 2 -
The U.S. Geological Survey (USGS) collected rock physical property measurements to help understand causative sources of gravity and magnetic survey anomalies in the central Upper Peninsula of...
Search relevance: 95.07 | Views last month: 0 -
The U.S. Geological Survey (USGS) collected rock density measurements to help understand causative sources of gravity survey anomalies in the Iron Mountain-Menominee region, Michigan-Wisconsin....
Search relevance: 93.99 | Views last month: 0 -
The U.S. Geological Survey (USGS) collected rock physical property measurements to help understand causative sources of gravity and magnetic survey anomalies in the central Upper Peninsula of...
Search relevance: 93.33 | Views last month: 0 -
The U.S. Geological Survey (USGS) collected rock physical property measurements to help understand causative sources of gravity and magnetic survey anomalies in the central Upper Peninsula of...
Search relevance: 93.33 | Views last month: 0 -
The U.S. Geological Survey (USGS) collected rock magnetic susceptibility measurements to help understand causative sources of airborne magnetic survey anomalies in the Iron Mountain-Menominee...
Search relevance: 91.52 | Views last month: 1 -
The U.S. Geological Survey (USGS) collected rock physical property measurements to help understand causative sources of gravity and magnetic survey anomalies in the Iron Mountain-Menominee region,...
Search relevance: 89.79 | Views last month: 0 -
This U.S. Geological Survey (USGS) data release provides a digital geospatial database for the geologic map of Precambrian metasedimentary rocks of the Medicine Bow Mountains, Albany and Carbon...
Search relevance: 86.47 | Views last month: 0 -
This data release contains geophysical data and well and borehole driller's logs acquired at a small field site in the Llano Uplift of central Texas. The field site is underlain by the unconfined...
Search relevance: 80.49 | Views last month: 0 -
The U.S. Geological Survey conducted a program of bedrock geologic mapping in much of the central and western upper peninsula of Michigan and parts of Wisconsin from the 1940’s until the late...
Search relevance: 53.22 | Views last month: 1 -
This U.S. Geological Survey (USGS) data release includes whole rock geochemical and isotopic data, and uranium-lead isotopic data collected by both Laser Ablation Inductively Coupled Plasma Mass...
Search relevance: 48.47 | Views last month: 1 -
This digital data release contains gridded elevation surfaces for twenty-six (26) subsurface horizons, a grid of the estimated thickness of strata eroded during the Cenozoic, and fault traces at...
Search relevance: 46.11 | Views last month: 2 -
The Pagosa Springs geologic map is of the 7.5-minute quadrangle of the same name. It is located in southwestern Colorado, USA and shows the town of Pagosa Springs. The mapped area is southwest of...
Search relevance: 45.40 | Views last month: 0 -
This digital map shows the areal extent of surficial deposits and rock stratigraphic units (formations) as compiled by Trimble and Machette from 1973 to 1977 and published in 1979 under the...
Search relevance: 44.34 | 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: 43.59 | Views last month: 0 -
This data release includes the airborne magnetic survey data collected from the Manchester region of Iowa. The Mineral Resources Program of the U.S. Geological Survey is tasked with understanding...
Search relevance: 43.58 | Views last month: 1 -
Geochemical, petrophysical, and depth to the Paleozoic-Precambrian basement interface from drill hole data for Mesoproterozoic igneous rocks and iron ore deposits of the St. Francois Mountains,...
Search relevance: 41.85 | Views last month: 2 -
This dataset captures in digital form previously published maps showing the inferred extent and subsurface elevation of several Paleozoic consolidated rock units in the northern Midwest of the...
Search relevance: 38.91 | Views last month: 1 -
Regional surface elevation grid files provided in Grid eXchange File (GXF) format were used to study crustal architecture beneath the Southern Midcontinent (USA) by McCafferty and others (2019)....
Search relevance: 38.62 | Views last month: 0
