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Isabella Mine, Isabella, Ducktown District, Polk Co., Tennessee, USA

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Latitude & Longitude (WGS84): 35° 2' 1'' North , 84° 21' 47'' West
Latitude & Longitude (decimal): 35.0336906, -84.3629783


No description has been added for this locality. Can you add one?

Mineral List


6 valid minerals.

Regional Geology

This information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This data will improve over time as more accurate maps and data sets are added.

Neoproterozoic541 - 1000 MaNeoproterozoic sedimentary rocks

Sedimentary rocks

Precambrian541 - 4000 MaGreat Smoky Group, including Anakeesta Formation, Thunderhead Sandstone, and Elkmont Sandstone

Major:: {graywacke},Minor:: {arkose},Incidental:: {slate, sandstone, conglomerate}

Great Smoky Group - Characterized by very massive layers of coarse graywacke and arkose. The formations have been mapped only in the region of the Great Smoky Mountains. Near Ducktown, in ascending order, the Copperhill, Hughes Gap, Hothouse, and Dean Formations are recognized. Thickness 14,000 to about 40,000 feet. Includes Anakeesta Formation - Dark-gray, bluish-gray, and black slate with dark-gray interbeds of fine-grained sandstone. Thickness 3,000 to 4,500 feet; Thunderhead Sandstone - Coarse, gray feldspathic sandstone, graywacke, and conglomerate; occurs in massive ledges; graded bedding and blue quartz characteristic. Thickness 5,500 to 6,300 feet; Elkmont Sandstone - Coarse to fine, gray feldspathic sandstone, graywacke, and fine conglomerate; generally finer grained beds in lower part; graded bedding typical. Thickness 1,000 to 8,000 feet

East-Central sheet

Neoproterozoic541 - 1000 MaNeoproterozoic sedimentary

Sedimentary


References for regional geology:

Data provided by Macrostrat.org

Garrity, C.P., and Soller, D.R.,. Database of the Geologic Map of North America: adapted from the map by J.C. Reed, Jr. and others (2005). U.S. Geological Survey Data Series 424 .

USGS compilers. State geologic map data. State Maps.

Geological Survey of Canada. Generalized geological map of the world and linked databases. doi:10.4095/195142. Open File 2915d.



The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Schaller, W., 1938, An Unusual Form of Thaumasite from the Ducktown District, Tennessee, American Mineralogist, v23, 876-880.

 
Mineral and/or Locality  
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