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Geologic Units: Hopukani Springs
  • Usage in publication:
    • Hopukani Springs Volcanic Member*
  • Modifications:
    • Named
    • Geochronologic dating
  • Dominant lithology:
    • Basalt
  • AAPG geologic province:
    • Hawaii
Publication:

Wolfe, E.W., Wise, W.S., and Dalrymple, G.B., 1997, The geology and petrology of Mauna Kea Volcano, Hawaii; a study of postshield volcanism: U.S. Geological Survey Professional Paper, 1557, 129 p., (incl. geologic maps, scale 1:24,000 and 1:100,000)


Summary:

Hopukani Springs Volcanic Member of Hamakua Volcanics. Basalt flows and rare cinder cone deposits. Underlies Pohakuloa Glacial Member of Hamakua Volcanics; base is not exposed. Age is Pleistocene [approximately 200 to 150 ka].
Type section: along Waikahalulu Gulch, between approx. 2,775 m and 3,095 m elevation, Mauna Kea Volcano, Island of Hawaii, HI.
Named from Hopukani Springs [now called Houpookāne (U.S. Board on Geographic Names, 2020)], Ahumoa 7.5-min quadrangle, Mauna Kea Volcano, Island of Hawaii, HI.

Source: Modified from 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 ([ ]).

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