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Granville Co., North Carolina, USA

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Location is approximate, based on center of defined region.
Latitude & Longitude (WGS84): 36° 5' 58'' North , 78° 46' 32'' West
Latitude & Longitude (decimal): 36.09967,-78.77568
Neighbouring regions:

NOTE: The geographic coordinates presented are taken from the NE Durham topo map. The USGS GNIS database presents 17 sets of coordinates for this county.

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.

Mineral List

Mineral list contains entries from the region specified including sub-localities

38 valid minerals.

Rock Types Recorded

Note: this is a very new system on and data is currently VERY limited. Please bear with us while we work towards adding this information!

Rock list contains entries from the region specified including sub-localities

Select Rock List Type

Alphabetical List Tree Diagram

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

145 - 201.3 Ma

ID: 2793579
Newark Supergroup, Chatham Group; Diabase

Age: Jurassic (145 - 201.3 Ma)

Stratigraphic Name: Chatham Group

Description: Diabase - dikes and sills, gray to black.

Lithology: Major:{plutonic}

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, used under Creative Commons Attribution 4.0 License

Localities in this Region

This page contains all mineral locality references listed on 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 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.


Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Genth, F.A. and Kerr, W.C (1881), Minerals and Mineral Localities of North Carolina.
Genth, F.A. (1891), The Minerals of North Carolina, USGS Bulletin 74.
Pratt, Joseph Hyde (1933), Gems and Gem Minerals of North Carolina: American Mineralogist: 18(4)(April).
Hadley, Jarvis B (1973), Igneous Rocks of the Oxford Area, Granville County, North Carolina, American Journal of Science, Cooper Volume 273-A, 1973: 217-233.
Ransom, Jay Ellis (1974), Gems and Minerals of America.
Wilson, W.F and McKenzie, B.J. (1980), Mineral Collecting Sites In North Carolina.
Butler, J. Robert (1984), Map showing Paleozoic Metamorphic Facies, North Carolina Geological Survey.
Horton, Jr., J. Wright and Victor A. Zullo (1991), The Geology of the Carolinas: 334.

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