Golden Valley Formation (NDTg;0)

Golden Valley Formation

Upper member: yellowish-brown micaceous sandstone, sand, silt, and clay; fluvial sediment; as thick as 60 metres (200 feet). Lower member: white or yellow clay, silt, and sand; a weathering zone developed on underlying unit; as thick as 20 metres (65 feet).

State	North Dakota
Name	Golden Valley Formation
Geologic age	Eocene and Paleocene
Lithologic constituents	Major Sedimentary > Clastic > Mudstone > Claystone (Bed)poorly consolidated Sedimentary > Clastic > Sandstone (Bed)micaceous sandstone, poorly consolidated Sedimentary > Clastic > Siltstone (Bed)poorly consolidated
Comments	Map unit descriptions mix unconsolidated and sedimentary terms; using sedimentary terms with poorly consolidated according to other sources.
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. Clausen, E. N., and Kihm, A. J., eds., 1986, Tertiary and Upper Cretaceous of south-central and western North Dakota Field Trip Guidebook, North Dakota Geological Society.
NGMDB product	NGMDB product page for 16522
Counties	Billings - Dunn - Hettinger - McKenzie - Mercer - Morton - Mountrail - Oliver - Slope - Stark

Golden Valley Formation

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.

Clausen, E. N., and Kihm, A. J., eds., 1986, Tertiary and Upper Cretaceous of south-central and western North Dakota Field Trip Guidebook, North Dakota Geological Society.