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Boothwyn, Upper Chichester Township, Delaware Co., Pennsylvania, USA

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Latitude & Longitude (WGS84): 39° 49' 53'' North , 75° 26' 55'' West
Latitude & Longitude (decimal): 39.83139,-75.44861
Köppen climate type:Cfa : Humid subtropical climate


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

Mineral List


3 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

Paleozoic
252.17 - 541 Ma



ID: 2796233
Anorthosite

Age: Paleozoic (252.17 - 541 Ma)

Description: Medium to coarse grained, light to dark bluish gray, predominantly plagioclase; local alteration minerals.

Lithology: Major:{anorthosite}

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)
Gordon, Samuel S. (1922), The Minerology of Pennsyvania: 133, 197-198.
Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 695.
Mitchell, J. R., Delaware County Institute of Science.

Mineral and/or Locality  
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