Upper and Middle Tertiary Rock, Undivided (NDTm;0)

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 or the Killdeer Formation (informal unit) on the Killdeer Mountains; as thick as 120 metres (400 feet).

State	North Dakota
Name	Upper and Middle Tertiary Rock, Undivided
Geologic age	Oligocene, Miocene, or Pliocene
Lithologic constituents	Major Sedimentary > Clastic > Sandstone (Bed)fluvial or lacustrine sandstone or limestone Sedimentary > Carbonate > Limestone (Bed)fluvial or lacustrine sandstone or limestone
Stratigraphic units	White River Group, Killdeer Formation
References	North Dakota Geological Survey, 2001, Geologic Bedrock Map of North Dakota based on Bluemle, John P., 1983, Geologic and Topographic Bedrock Map of North Dakota, NDGS Miscellaneous Map 25, 1:670,000 scale.
NGMDB product	NGMDB product page for 16522
Counties	Dunn - Slope

Upper and Middle Tertiary Rock, Undivided

North Dakota Geological Survey, 2001, Geologic Bedrock Map of North Dakota based on Bluemle, John P., 1983, Geologic and Topographic Bedrock Map of North Dakota, NDGS Miscellaneous Map 25, 1:670,000 scale.