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Stony Point, Alexander Co., North Carolina, USA

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Latitude & Longitude (WGS84): 35° 51' North , 81° 3' West
Latitude & Longitude (decimal): 35.85000,-81.05000
Köppen climate type:Cfa : Humid subtropical climate


Stony Point is about 35 miles southeast of the Blue Ridge, and 16 miles northeast of Statesville. The surface of the country is rolling, the elevation being about 1000' AMSL. The soil is generally a red, gravelly clay, resulting from the decomposition of the gneissoid rock. Unaltered rock appears at a depth of 26 feet and is unusually hard, especially along the walls of the gem-bearing pockets which form in veins of quartz that traverse the gneiss. These veins are usually quite narrow, and generally strike east and west, and dip to the north. Some of the veins widen out occasionally and form cavities several inches wide and several feet in length, or in rare cases much larger.


Mineral List

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

14 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: 2908286
Amphibolite and Biotite Gneiss

Age: Neoproterozoic to Cambrian (485.4 - 1000 Ma)

Description: Interlayered; minor layers and lenses of hornblende gneiss, metagabbro, mica schist, and granitic rock.

Lithology: Major:{amphibolite,biotite gneiss}, Incidental:{mica schist, metagabbro, granitic}

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


Localities in this Region

USA

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

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Kunz, G. F. 1907. History of the Gems found in North Carolina: Beryl Gems and Spodumene (Hiddenite). North Carolina Geological and Economic Survey, Bulletin No. 12. Chapter 6, pages 37-48.

Mineral and/or Locality  
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