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Wheeler Road, Oxon Hill, Prince Georges Co., Maryland, USA

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Latitude & Longitude (WGS84): 38° 49' 49'' North , 76° 58' 55'' West
Latitude & Longitude (decimal): 38.8302777778, -76.9819444444


Road cut along Wheeler Road, near the District of Columbia line. The locality is well known by local mineral and fossil collectors, for vivianite nodules and shark teeth.

Mineral List


3 valid minerals.

Regional Geology

This 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 data will improve over time as more accurate maps and data sets are added.

Miocene5.333 - 23.03 MaMiocene sedimentary

Sedimentary

Paleogene23.03 - 66 MaPaleogene sedimentary rocks

Sedimentary rocks

Eocene33.9 - 56 MaPamunkey Group; Nanjemoy Formation

Major:: {sand},Minor:: {clay or mud}

Pamunkey Group; Nanjemoy Formation - Dark green to gray, argillaceous, glauconitic, fine- to medium-grained sand; minor gray to pale brown clay; total thickness 0 to 125 feet; Marlboro Clay member at base: Pink to gray, homogeneous plastic clay with local lenses of very fine-grained white sand; thickness 0 to 30 feet; present west of Chesapeake Bay only; total thickness 0 to 125 feet.


References for regional geology:

Data provided by Macrostrat.org

Garrity, C.P., and Soller, D.R.,. Database of the Geologic Map of North America: adapted from the map by J.C. Reed, Jr. and others (2005). U.S. Geological Survey Data Series 424 .

USGS compilers. State geologic map data. State Maps.

Geological Survey of Canada. Generalized geological map of the world and linked databases. doi:10.4095/195142. Open File 2915d.



The above list 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

Bernstein, Lawrence (1976) Minerals of Washington D.C. and vicinity: U.S. Geological Survey: Open File Report 76-849, 183 p.

Beard, Robert (2004) A capitol collecting opportunity: blue vivianite graces this urban locality: Rock and Gem: 34(6): 28-33.

Mineral and/or Locality  
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