Usage:
No current usage.
(†Diamond Head Black Ash (HI) replaced with Diamond Head tuff cone (informal) in Honolulu Volcanics. See Diamond Head.)
Geologic age:
Quaternary (Pleistocene)
Type section, locality, area and/or origin of name:
Type locality: on slopes and near base of Diamond Head. Crops out only in small area at southeast foot of Diamond Head tuff cone [Diamond Head State Monument area, approx. Lat. 21 deg. 15 min. 47 sec. N., Long. 157 deg. 48 min. 53 sec. W., Honolulu 7.5-min quadrangle, Honolulu Co.], and around shores of Kupikipikio Point (Black Point), Island of Oahu, HI (Macdonald and Davis IN Avias, 1956).
AAPG geologic province:
Oahu
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 ([ ]).