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Eldorado Mine, Eldorado, Montgomery Co., North Carolina, USA

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Latitude & Longitude (WGS84): 35° 28' North , 80° 1' West
Latitude & Longitude (decimal): 35.46666717529297, -80.01667022705078


Ref.: Rocks & Min.:60:92. Located East of the village of Eldorado and 1.5 miles South of the Coggins Mine.
Deposit:: CONLEY, JAMES F., 1962, GEOLOGY OF THE ALBEMARLE QUADRANGLE, NORTH CAROLINA, NORTH CAROLINA DEPT. OF CONSERV. AND DEVEL., DIV. OF MINERAL RESOURCES, BULL. 75, TEXT 26 P., MINE TEXT P. 18, MINE SYMBOLS SHOWN ON GEOLOGIC MAP AT 1:48,000.

Mineral List


6 valid minerals.

Major Regional Geological Units

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 does not necessarily represent the geology at this locality but it gives a background for the region in which it is found.

Cambrian-Ordovician
443.8 - 541 Ma
Cambrian-Ordovician mixed volcanic, volcaniclastic and sedimentary rocks

Mixed volcanic, volcaniclastic and sedimentary rocks

This designation includes Precambrian iron-formation-bearing sedimentary and volcanic sequences, as well as mixed sedimentary and volcanic or volcaniclastic sequences.

Cambrian
485.4 - 541 Ma
Cambrian sedimentary
Cambrian - Neoproterozoic
485.4 - 1000 Ma
Tillery Formation; Metamudstone and Meta-Argillite

Major:{slate,argillite}, Minor:{metasandstone,metaconglomerate,metavolcanic}

(Southwest of Asheboro) Thin to thick bedded; bedding plane and axial-planar cleavage common; interbedded with metasandstone, metaconglomerate, and metavolcanic rock.

Unit descriptions are the same for CAZmd and CAZmd1 thru 3; differentiated only by formation names.


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 .

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

Horton, J.D., C.A. San Juan, and D.B. Stoeser. The State Geologic Map Compilation (SGMC) geodatabase of the conterminous United States. doi: 10.3133/ds1052. U.S. Geological Survey Data Series 1052.



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