USGS - science for a changing world

Mineral Resources On-Line Spatial Data

Mineral Resources > Online Spatial Data > Geology > by state > North Dakota

Niobrara and Carlile Formations, Undivided

Niobrara Formation: light-brown to dark-gray calcareous shale; offshore marine sediment; maximun outcrop thickness is 45 meters (150 feet). Carlile Formation: dark-gray shale; marine offshore sediment; maximum outcrop thickness is 30 meters (100 feet).
StateNorth Dakota
NameNiobrara and Carlile Formations, Undivided
Geologic agePhanerozoic | Mesozoic | Cretaceous-Late
Original map labelKn
Primary rock typeshale
Secondary rock type
Other rock types
Lithologic constituents
Major
Sedimentary > Clastic > Mudstone > Shale (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 coverageBarnes - Cavalier - Grand Forks - Pembina - Ransom

Show this information as [XML]

AccessibilityFOIAPrivacyPolicies and Notices

Take Pride in America logoUSA.gov logoU.S. Department of the Interior | U.S. Geological Survey
URL: http://mrdata.usgs.gov/geology/state/sgmc-unit.php?unit=NDKn;0
Page Contact Information: Peter Schweitzer