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Map showing publication footprint
  • Usage in publication:
    • Wailuanui basalt*
  • Modifications:
    • Named
  • Dominant lithology:
    • Basalt
  • AAPG geologic province:
    • Maui
Publication:

Stearns, H.T., and Macdonald, G.A., 1942, Geology and ground-water resources of the Island of Maui, Hawaii: Hawaii Division of Hydrography Bulletin, no. 7, 344 p., (incl. geologic map, scale 1:62,500)


Summary:

[Named for] Wailuanui Valley where it forms a narrow lava flow descending western fork of valley, Keanae area, east Maui, HI. Adopted as unit of Hana volcanic series. Composed of dark-gray olivine pahoehoe basalt containing few olivine phenocrysts 1 mm across. Older than Ohia basalt (new) but its time relationship to Pauwalu basalt (new) is unknown. Assigned middle(?) and late Pleistocene and Recent age in stratigraphic section chart of Keanae area.

Source: GNU records (USGS DDS-6; Menlo GNULEX).


Map showing publication footprint
  • Usage in publication:
    • Wailuanui basalt*
  • Modifications:
    • Age modified
  • AAPG geologic province:
    • Maui
Publication:

Macdonald, G.A., and Davis, D.A., 1956, Zone des Hawaii, Chapter 2, IN Avias, Jacques, and others, Oceanie proprement dite; Fasc. 2 of V. 6, Oceanie: Lexique Stratigraphique International, p. 70-143(?)., Prepared by the Centre National de la Recherche Scientifique (Paris), International Geological Congress, Commission on Stratigraphy


Summary:

Type locality: western branch of Wailuanui Stream valley [20 deg 50' 36"N, 156 deg 07' 52"W, Keanae 7.5' quad, Keanae area, northern shore of Island of Maui]. Thickness is few tens of ft. Unconformably overlies gravel overlying lavas of Kula volcanic series. Assigned Pleistocene(?) age.

Source: GNU records (USGS DDS-6; Menlo GNULEX).


Map showing publication footprint
  • Usage in publication:
    • Wailuanui Basalt†
  • Modifications:
    • Abandoned
  • AAPG geologic province:
    • Maui
Publication:

Langenheim, V.A.M., and Clague, D.A., 1987, Stratigraphic framework of volcanic rocks of the Hawaiian Islands, Part II, IN The Hawaiian-Emperor volcanic chain, Chapter 1, OF Decker, R.W., Wright, T.L., and Stauffer, P.H., eds., Volcanism in Hawaii: U.S. Geological Survey Professional Paper, v. 1, 1350, p. 55-84. [http://ngmdb.usgs.gov/Prodesc/proddesc_42485.htm]


Summary:

Wailuanui Basalt (Stearns and Macdonald, 1942) abandoned as formally named unit and called Wailuanui flow, informal unit of Hana Volcanics. Hana Volcanics assigned Pleistocene(?) and Holocene age.

Source: GNU records (USGS DDS-6; Menlo GNULEX).


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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 ([ ]).

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