Named for volcanic rocks that crop out along Nuuanu Pali; northeast side of Koolau Range [Honolulu 7.5' quad], Island of Oahu. Is unit in lower part of Honolulu volcanic series. Consists of cinders (up to 40 ft thick), lava flows (more than 20 ft thick), tuff (in places coarse enough to be called agglomerate), and breccia at vent. Lava contains nodules of olivine (with diam. up to 4 in.). Unconformably overlies Koolau volcanic series (new). Overlies Kaneohe and Nuuanu volcanics (new). Terraces at foot of Pali are graded to Kaena stand of sea. Assigned middle? and late Pleistocene age.
Source: GNU records (USGS DDS-6; Menlo GNULEX).
Overlies Kaneohe, Nuuanu, and Aliamanu volcanics (new); underlies Salt Lake tuff (new). Interbedded with alluvium in terraces probably graded to Kaena stand of sea, "therefore originated during the latter part of the stand."
Source: GNU records (USGS DDS-6; Menlo GNULEX).
Exposed over 0.2 sq mi on face of Nuuanu Pali (cliff) on northeast side of Koolau Range about 10 mi northwest of Makapuu Head. No fossils. Assigned Pleistocene age based on stratigraphic relations.
Source: GNU records (USGS DDS-6; Menlo GNULEX).
"A sample of lava from the Pali eruption (not reported) provided an example of one of the possible interferences to the potassium-argon method: excess radiogenic argon." Pali eruption can be deduced from measured ages of Nuuanu and Salt Lake to be about 425 +/-20 ka.
Source: GNU records (USGS DDS-6; Menlo GNULEX).
Pali Volcanics (Stearns, IN Stearns and Vaksvik, 1935) abandoned as formally named unit and renamed Pali flow, informal unit of Honolulu Volcanics.
Source: GNU records (USGS DDS-6; Menlo GNULEX).
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