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National Geologic Map Database

Geologic Unit: Lanai

Usage:

Lanai Basalt (HI*)
[Hawaiian spelling: Lānaʻi (U.S. Board on Geographic Names, ca. 2000).]


Geologic age:

Quaternary (Pleistocene)*


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

Principal reference locality: Maunalei Gulch [Lat. 20 deg. 54 min. 15 sec. N., Long. 156 deg. 53 min. 18 sec. W., Lanai quadrangle] on northeast side of Island of Lanai, HI (Langenheim and Clague, 1987).


AAPG geologic province:

Lanai


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 ([ ]).