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Matawan Formation

Matawan Formation - Dark gray micaceous, glauconitic, argillaceous, fine-grained sand and silt; absent in outcrop southwest of Patuxent River; thickness 0 to 70 feet.
StateMaryland
NameMatawan Formation
Geologic ageCretaceous
Original map labelKma
Primary rock typesand
Secondary rock typesilt
Other rock types
Lithologic constituents
Major
Unconsolidated > Fine-detrital > SiltDark gray micaceous, glauconitic, argillaceous, fine-grained sand and silt;
Unconsolidated > Coarse-detrital > SandDark gray micaceous, glauconitic, argillaceous, fine-grained sand and silt;
Map references
Cleaves, E.T., Edwards, J., Jr., Glaser, J.D., 1968, Geologic Map of Maryland: Maryland Geological Survey, Baltimore, Maryland, scale 1:250,000.
Unit references
Cleaves, E.T., Edwards, J., Jr., Glaser, J.D., 1968, Geologic Map of Maryland: Maryland Geological Survey, Baltimore, Maryland, scale 1:250,000.
Unpublished digital version of the Maryland state geologic map that was digitized by the USGS Water Resources Office in Towson, MD
Geographic coverageAnne Arundel - Cecil - Kent

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URL: http://mrdata.usgs.gov/geology/state/sgmc-unit.php?unit=MDKma;5
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