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Marine Eugene Formation, where mapped separately

State Oregon
Name Marine Eugene Formation, where mapped separately
Geologic age Late Eocene to Oligocene
Primary rock type sandstone
Secondary rock type siltstone
Other rock types
Lithologic constituents
Major
Sedimentary > Clastic > Sandstone (Bed)
Sedimentary > Clastic > Siltstone (Bed)
Map references
Walker, G.W. and MacLeod, N.S., 1991, Geologic map of Oregon: U.S. Geological Survey, scale 1:500,000.
Unit references
Walker, G.W. and MacLeod, N.S., 1991, Geologic map of Oregon: U.S. Geological Survey, scale 1:500,000.
Counties Lane - Linn