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Mineral Resources On-Line Spatial Data

Rancocas Formation

Rancocas Formation - Grayish-green and green, silty, glauconitic sand.
StateDelaware
NameRancocas Formation
Geologic ageTertiary
Original map labelTr
CommentsEocene/Paleocene, may be overlain locally by the Pleistocene Columbia Formation
Primary rock typesand
Secondary rock type
Other rock types
Lithologic constituents
Major
Unconsolidated > Coarse-detrital > Sandglauconitic
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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