Usage:
Green Mountain Conglomerate (CO*-recognized locally in its "type area")
Geologic age:
early Tertiary (Paleocene)*
Type section, locality, area and/or origin of name:
Exposed only on Green Mountain, [btw. Lakewood and CO Hwy 470, in secs. 18, 19, T. 4 S., R. 69 W., and secs. 13, 24, T. 4 S., R. 70 W.], Morrison 7.5-min quadrangle, Jefferson Co., north-central CO (Scott, 1972).
Named from Green Mountain, 3 mi northeast of Morrison, Morrison quadrangle, Jefferson Co., north-central CO by J.D. Marr, unpub. undergraduate rpt., Colorado School of Mines, Golden, CO, 1929 (see Scott, 1972).
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 ([ ]).