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Unionville, Newlin Township, Chester Co., Pennsylvania, USA

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Latitude & Longitude (WGS84): 39° 53' 43'' North , 75° 44' 4'' West
Latitude & Longitude (decimal): 39.89528,-75.73444
Köppen climate type:Cfa : Humid subtropical climate


A populated place (hamlet).


Mineral List

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

11 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: 3025421
"Glenarm Wissahickon" formation

Age: Paleozoic (252.17 - 541 Ma)

Stratigraphic Name: Glenarm Group

Description: Lithologically similar to oligoclase-mica schist of the Wissahickon Formation (PZw), but also includes lenticular amphibolite bodies having ocean-floor basalt chemistry.

Comments: Digital map differences from 1980 printed map: name and map symbol changed from (Wissahickon Formation - eastern part) (Xw).

Lithology: Major:{mica schist}, Minor:{amphibolite,gneiss}

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
  • Pennsylvania

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