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Piedmont Minerals Company Mine, Hillsborough, Orange Co., North Carolina, USA

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Latitude & Longitude (WGS84): 36° 4' 2'' North , 79° 6' 25'' West
Latitude & Longitude (decimal): 36.06740,-79.10710
Köppen climate type:Cfa : Humid subtropical climate


A pyrophyllite mine.


Mineral List


9 valid minerals.

Regional Geology

This geological map and associated 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 complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Cambrian - Neoproterozoic
485.4 - 1000 Ma



ID: 2913651
Phyllite and Schist

Age: Neoproterozoic to Cambrian (485.4 - 1000 Ma)

Description: Locally laminated and pyritic; includes phyllonite, sheared fine-grained metasediment, and metavolcanic rock. In Lilesville granite aureole, includes hornfels.

Comments: In the description of CZph on the printed map, there is a unit called CZph1 and it applies to the hornfels of the Lilesville granite aureole. On the digital map this unit is NOT used, only CZph. So I did NOT make a separate unit for CZph1. The digital map DOES use the unit CZbg (which is described under CZph on the printed map also), so I DID make this a separate unit.

Lithology: Major:{phyllite,schist}, Minor:{phyllonite}, Incidental:{metasedimentary, metavolcanic, hornfels}

Reference: 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. [133]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License



This page 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

Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Rocks & Minerals (1985): 60: 93.
Smithsonian Institution Mineral Reference Collection No. 161180-00 (Alunite).

External Links

www.mindat.org/mesg-11-168140.html

Mineral and/or Locality  
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