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Mineral Resources On-Line Spatial Data

Upper and Middle Tertiary Rock, Undivided

Butte caprock consisting of fluvial or lacustrine sandstone or limestone of Oligocene, Miocene, or Pliocene age; may include the White River Group in some areas; as thick as 120 meters (400 feet).
StateNorth Dakota
NameUpper and Middle Tertiary Rock, Undivided
Geologic agePhanerozoic | Cenozoic | Tertiary | Miocene Pliocene
Original map labelTm
Primary rock typesandstone
Secondary rock typelimestone
Other rock types
Lithologic constituents
Major
Sedimentary > Carbonate > Limestone (Bed)
Sedimentary > Clastic > Sandstone (Bed)
Map references
Clayton, Lee, 1980, Geologic Map of North Dakota: U. S. Geological Survey, Scale 1:500K.
Unit references
Clayton, Lee, 1980, Geologic Map of North Dakota: U. S. Geological Survey, Scale 1:500K.
Geographic coverageAdams - Billings - Bowman - Dunn - Golden Valley - Grant - Hettinger - Morton - Slope - Stark

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URL: http://mrdata.usgs.gov/geology/state/sgmc-unit.php?unit=NDTm;0
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