Scientific data near [36.05000,-81.97000]

Search area extends approximately 1.1 km east-west and 1.4 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
Newland	quadrangle 1:24,000 scale
Boone	quadrangle 1:100,000 scale
Winston-salem	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
Ashe Metamorphic Suite and Tallulah Falls Formation; Amphibolite	NC	Late Proterozoic
Ashe Metamorphic Suite and Tallulah Falls Formation; Muscovite-biotite gneiss	NC	Late 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
Winston-Salem	M-Dz	Winston-Salem 8207 line km with spacing 1.60 km over parts of NC-TN
Winston Salem	M/R-D	Winston Salem 5122 line km with spacing 4.80 km over parts of VA-NC-TN

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

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
Piedmontia	Extensional accretionary orogen	Southeastern Laurentia and Appalachians

Asbestos mines, prospects, and occurrences in the US

Location and mineralogical characteristics of former mines, prospects, and occurrences of asbestos in the continental US. No asbestos producing mines are currently active. Data here are drawn from several previously published reports.

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Deposit name	Deposit type	Location
unnamed prospect	past prospect