Scientific data near [37.65100,-91.13750]

Search area extends approximately 2.2 km east-west and 2.8 km north-south.

Geographic context

Counties, states, countries, continents, or oceans
Iron	county
Missouri	state
United States	country
North America	continent
Land	continent
Map quadrangles, from USGS or Canadian NTS
Viburnum West	quadrangle 1:24,000 scale
Rolla	quadrangle 1:100,000 scale
Rolla	quadrangle 1:250,000 scale
Watershed boundaries (USGS hydrologic units)
Meramec	hydrologic unit
Upper Mississippi-Meramec	hydrologic accounting unit
Upper Mississippi-Kaskaskia-Meramec	hydrologic subregion
Upper Mississippi	hydrologic region
Areas administered by US Federal agencies
Mark Twain National Forest	National Forest
National Forest FS	Type of land area
FS	Federal land areas administered by FS

Geology of US states

Digital geologic maps of the US states with consistent lithology, age, GIS database structure, and format

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Unit	State	Lithology
Eminence Dolomite, Potosi Dolomite	MO	Late Cambrian-Croixian Series
Gasconade Dolomite	MO	Early Ordovician-Ibexian Series

Airborne geophysical surveys

Aerial surveys of magnetic anomaly and gamma ray emission; older surveys were analog record which have been digitized, newer surveys collected data in digital form.

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ID	Data type	Description
Rolla	M/R-D	Rolla 2566 line km with spacing 9.60 km over parts of MO-IL
SE Missouri	M-D	SE Missouri 68548 line km with spacing 0.30 km over parts of MO-IL
Corridon Area	M-Dz	Corridon Area 6276 line km with spacing 0.40 km over parts of MO

Estimates of undiscovered mineral resources

National Mineral Resource Assessment 1998: Estimates of the number of undiscovered mineral resources of gold, silver, copper, lead, and zinc within identified permissive tracts (geographic areas in which mineral deposits may form).

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Tract	Deposit Type	Mineralization age
GP05	Mississippi Valley, S.E. Missouri Pb-Zn	Late Paleozoic

The continental crust

Seventy-seven major components of the North American continent were delineated at a general scale (1:5,000,000); including the general composition, geological environment, and types of primary metals endowments that can be expected in each domain.

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Domain	Crust type	Region
Shawnee	Lateral-extensional orogen	Southeastern Laurentia and Appalachians

Geochemistry of stream sediments in the US from the NURE-HSSR database

National-scale geochemical analysis of stream sediments and soils in the US collected and analyzed under the National Uranium Resource Evaluation program.

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Sample ID	Date collected	Sample type
5260646	1979-05-17	Stream sediment sample from flowing stream, sieved to less than 149 microns (-100 mesh) and dried at less than or equal to 110øC.
5260647	1979-05-17	Stream sediment sample from flowing stream, sieved to less than 149 microns (-100 mesh) and dried at less than or equal to 110øC.

Geochemistry of water samples in the US from the NURE-HSSR database

National-scale geochemical analysis of water samples in the US collected and analyzed under the National Uranium Resource Evaluation program.

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Sample ID	Date collected	Sample type
1169344	1979-05-17	Stream water sample filtered through a 0.8 micron filter at the site.