- Usage in publication:
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- Laniloa Formation
- Modifications:
-
- Named
- Dominant lithology:
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- Sand
- AAPG geologic province:
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- Oahu
Summary:
Named for Laniloa Point, Oahu, at seaward tip of large lithified dune at Laie. Is lithified cemented sand dune about 14 m thick. Age given as Pleistocene (Wisconsin).
Source: GNU records (USGS DDS-6; Menlo GNULEX).
- Usage in publication:
-
- Laniloa Formation
- Modifications:
-
- Geochronologic dating
- AAPG geologic province:
-
- Oahu
Summary:
Youngest lithified dunes on Oahu belong to Laniloa Formation. Dunes apparently accumulated during Mamala low stand of the sea which ended about 12,000 years ago. Radiometric determination on land snails collected at Makai Range Pier from Laniloa Formation yielded 23,220 +/-1200 yr B.P. Table gives age as late stadial of Wisconsin.
Source: GNU records (USGS DDS-6; Menlo GNULEX).
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 ([ ]).