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

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.