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National Geologic Map Database

Geologic Unit: Pohakaa

Usage:

Pohakaa Ash Member of Hilina Basalt (HI*)


Geologic age:

Quaternary (Pleistocene)*


Type section, locality, area and/or origin of name:

Type section: Pohakaa Arroyo, south slope of Kilauea Volcano, at approx. 425 to 450 m elevation, Lat. 19 deg. 16 min. 40 sec. N., Long. 155 deg. 20 min. 00 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 ([ ]).