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Mineral Resources On-Line Spatial Data

Lowland Deposits

Lowland Deposits - Gravel, sand, silt, and clay. Medium- to coarse-grained sand and gravel; cobbles and boulders near base; commonly contains reworked Eocene glauconite; varicolored silts and clays; brown to dark gray lignitic silty clay; contains estuarine to marine fauna in some areas (includes in part Pamlico, Talbot, Wicomico and Sunderland Formations of earlier reports); thickness 0 to 150 feet.
StateMaryland
NameLowland Deposits
Geologic ageQuaternary
Original map labelQl
Primary rock typegravel
Secondary rock typesand
Other rock typessilt; clay or mud
Lithologic constituents
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Unpublished digital version of the Maryland state geologic map that was digitized by the USGS Water Resources Office in Towson, MD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 - Baltimore - Calvert - Caroline - Cecil - Charles - Harford - Kent - Montgomery - Prince George's - Queen Anne's - Saint Mary's - Talbot - Baltimore

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