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Bryn Mawr Formation

Bryn Mawr Formation - Red and brown quartz sand with silt, clay and fine gravel.
State Delaware
Name Bryn Mawr Formation
Geologic age ?
Comments age undetermined. On PA state geologic map, the Bryn Mawr Formation is considered to be Tertiary in age.
Primary rock type sand
Secondary rock type silt
Other rock types clay or mud; gravel
Lithologic constituents
Minor
Unconsolidated > Fine-detrital > Clay
Unconsolidated > Coarse-detrital > Gravel
Unconsolidated > Coarse-detrital > Sand
Unconsolidated > Fine-detrital > Silt
Map references
Spoljaric, Nenad and Jordan, Robert R., 1966, Generalized Geologic Map of Delaware, State of Delaware, Delaware Geological Survey, scale ca. 1:300,000.
Unit references
Spoljaric, Nenad and Jordan, Robert R., 1966, Generalized Geologic Map of Delaware, State of Delaware, Delaware Geological Survey, scale ca. 1:300,000.
Counties New Castle