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Geologic Unit: Kalama
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Map showing publication footprint
  • Usage in publication:
    • Kalama volcanics*
  • Modifications:
    • Named
  • Dominant lithology:
    • Basalt
  • AAPG geologic province:
    • Oahu
Publication:

Stearns, H.T., 1935, Geography and geology, [Island of Oahu, Hawaii], Part 1, IN Stearns, H.T., and Vaksvik, K.N., Geology and ground-water resources of the Island of Oahu, Hawaii: Hawaii Division of Hydrography Bulletin, no. 1, p. 3-198.


Summary:

Named for occurrence at Kalama crater 0.5 NE mi of Koko crater [Koko Head 7.5' quad] Island of Oahu. Included as unit in upper part of Honolulu series. Crater is 50 ft deep. Flow, extending from cone to sea, consists mostly of aa. "May or may not have been part of the same magma that produced the Koko volcanics". (p.153) Underlies several ft of Koko tuff on SW slope of cone. Appears to be Recent age based on lack of emerged reef of Waimanalo stand of sea.

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


Map showing publication footprint
  • Usage in publication:
    • Kalama volcanics*
  • Modifications:
    • Age modified
  • AAPG geologic province:
    • Oahu
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:

Is lava flow of nepheline basanite with spatter and cinder at its source (Kalama Crater). Thickness unknown but at least 10 ft thick. Base not exposed. Covers area about 0.75 sq mi on south side of Kalama Range 1 to 2 mi southwest of Makapuu Head. No fossils. Believed to be later than Waimanalo stand of sea. Assigned Recent age.

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


Map showing publication footprint
  • Usage in publication:
    • Kalama Volcanics*
  • Modifications:
    • Geochronologic dating
  • AAPG geologic province:
    • Oahu
Publication:

Gramlich, J.W., Lewis, V.A., and Naughton, J.J., 1971, Potassium-argon dating of Holocene basalts of the Honolulu volcanic series, IN Note and Discussion: Geological Society of America Bulletin, v. 82, no. 5, p. 1399-1404.


Summary:

K-Ar ages of nepheline-basanite from Kalama lava of Honolulu Volcanic Series range from 36.1 +/-3.6 ka to 32.4 +/-5.4 ka.

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


Map showing publication footprint
  • Usage in publication:
    • Kalama Volcanics†
  • Modifications:
    • Abandoned
  • AAPG geologic province:
    • Oahu
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:

Kalama Volcanics (Stearns, IN Stearns and Vaksvik, 1935) abandoned as formally named unit and called Kalama flow (and associated cone), informal unit of Honolulu Volcanics.

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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