Usage:
Uekahuna Ash (HI*)
Uekahuna Ash Member of Puna Basalt (HI*)
[Hawaiian spelling: Uēkahuna (U.S. Board on Geographic Names, 2021), originally spelled Uwekahuna.]
Subunits:
FORMATION STATUS: Kulanaokuaiki Tephra Member (HI*).
Geologic age:
late Quaternary (Holocene)*
Type section, locality, area and/or origin of name:
Type section (revised; mid-Bluff section): exposed in walls of hand-dug 3.12-m pit dug at top of talus apron and at base of steep caldera wall, approx. 30 m above present caldera floor (Lat. 19.42247 deg. N., Long. 155.28775 deg. W.; Old Hawaiian Datum), [north of Volcanic Observatory and west of Uwekahuna Bluff (now Uekahuna), northwest side of Kilauea Crater, Kau district, Hawaii Volcanoes National Park], Island of Hawaii, HI (Fiske and others, 2009).
Type section: at Uwekahuna Bluff [now Uekahuna], Kilauea caldera, Kilauea Crater 7.5-min quadrangle, Island of Hawaii, HI (Easton, 1987).
Reference section: at Nanahu Arroyo, Hilina Pali, 0.5 km northeast of end of Hilina Pali Trail, Lat. 19 deg. 18 min. 15 sec. N., Long. 155 deg. 18 min. 34 sec. W., Kau Desert 7.5-min quadrangle, Island of Hawaii, HI (Easton, 1987).
AAPG geologic province:
Hawaii*
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 ([ ]).