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Bryn Mawr Formation

Bryn Mawr Formation - Red and brown quartz sand with silt, clay and fine gravel.
StateDelaware
NameBryn Mawr Formation
Geologic age?
Original map labelbm
Commentsage undetermined. On PA state geologic map, the Bryn Mawr Formation is considered to be Tertiary in age.
Primary rock typesand
Secondary rock typesilt
Other rock typesclay or mud; gravel
Lithologic constituents
Minor
Unconsolidated > Fine-detrital > Silt
Unconsolidated > Coarse-detrital > Sand
Unconsolidated > Coarse-detrital > Gravel
Unconsolidated > Fine-detrital > Clay
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.
Geographic coverageNew Castle

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