/Deep Creek Formation (CA)
/Deep Creek Conglomerate (CA)
[Conflicts with several articles in nomenclature guidelines (ACSN, 1961, 1970; NACSN, 1983, 2005, 2021).]
Oligocene
[Type locality not stated. Crops out along western side of Surprise Valley, at foot of Warner Mountains, northeastern CA. Origin of name not stated, but probably named from North Deep Creek and South Deep Creek, Cedarville 7.5-min quadrangle, Modoc Co., northeastern CA (California Department of Water Resources, 1963).]
Southern Oregon 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 ([ ]).