Usage:
Kassler Sandstone Member of South Platte Formation of Dakota Group (CO*)
Geologic age:
Early Cretaceous*
Type section, locality, area and/or origin of name:
Type section: at end of the hogback, 0.5 mi north of the South Platte River, at Kassler [now Waterton], Jefferson Co., CO. It is part of composite type section of South Platte Formation (Waage, 1955).
Named from exposures near Kassler [now Waterton], Kassler quadrangle, Jefferson Co., CO (Waage, 1955).
AAPG geologic province:
Denver basin*
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
Asterisk (*) indicates published by U.S. Geological Survey authors.
"No current usage" (†) implies that a name has been abandoned or has fallen into disuse. Former usage and, if known, replacement name given in parentheses ( ).
Slash (/) indicates name conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).