Usage:
Humbug Mountain Conglomerate of Myrtle Group (OR*)
Geologic age:
Early Cretaceous*
Type section, locality, area and/or origin of name:
Type section: on southwestern flank of Humbug Mountain, SE/4 sec. 35, T. 33 S., R. 15 W., Port Orford quadrangle, southwestern OR coast. (Koch, 1966).
Representative section: northeast side of Humbug Mountain, SW/4 sec. 26, T. 33 S., R. 15 W., Port Orford quadrangle, southwestern OR coast (Koch, 1966).
AAPG geologic province:
Western Columbia 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 ([ ]).