Scientific data near [36.08710,-82.04180]

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

Geographic context

Counties, states, countries, continents, or oceans
Avery	county
North Carolina	state
United States	country
North America	continent
Land	continent
Map quadrangles, from USGS or Canadian NTS
Carvers Gap	quadrangle 1:24,000 scale
Johnson City	quadrangle 1:100,000 scale
Johnson City	quadrangle 1:250,000 scale
Watershed boundaries (USGS hydrologic units)
Nolichucky	hydrologic unit
French Broad-Holston	hydrologic accounting unit
Upper Tennessee	hydrologic subregion
Tennessee	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
Migmatitic Biotite-Hornblende Gneisses	NC	Middle Proterozoic

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
Johnson City 2003	M-D	Johnson City 2003 3170 line km with spacing 1.00 km over parts of TN
Johnson City	M/R-D	Johnson City 5122 line km with spacing 4.80 km over parts of TN-VA-KY-NC

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
SA20	Low-sulfide Au-quartz vein	Paleozoic
SA01	Massive sulfide, Besshi	Late Proterozoic

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
Laurentides	Passive margin	Southeastern Laurentia and Appalachians
Piedmontia	Extensional accretionary 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
5273645	1976-07-06	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
1192851	1976-12-07	Spring water sample filtered through a 0.8 micron filter at the site.