- Usage in publication:
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- Kahele Member
- Modifications:
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- Original reference
- Dominant lithology:
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- Ash
- AAPG geologic province:
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- Hawaii
Summary:
Kahele Member of Hilina Formation. Stratigraphic column shows unit to be 2nd oldest member of Hilina Formation on south flank of Kilauea Volcano, Island of Hawaii. Underlies Pohakaa Member (new); overlies Halape Member (new). Age is shown as midway between 70,000(?) and 50,000(?) yr B.P. [Pleistocene].
[See Easton (1987) entry for origin of name and type information.]
Source: Modified from GNU records (USGS DDS-6; Menlo GNULEX).
- Usage in publication:
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- Kahele Member
- Modifications:
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- Areal extent
- AAPG geologic province:
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- Hawaii
Summary:
Pyroclastic unit named by Easton and Garcia (1980) is 2nd oldest member (of 4) of Hilina Formation. Covers area of approx. 1000 sq km. Consists of 10- to 125-cm-thick deposit of crudely bedded red clay containing some palagonite and, in one exposure, layer of glassy vesicular scoria and glass fragments. Underlies Pohakaa Member; overlies Halape Member, although separated from other members by major sequences of lava flows. Age is estimated at 60,000(?) yr B.P.
Source: GNU records (USGS DDS-6; Menlo GNULEX).
- Usage in publication:
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- Kahele Ash Member*
- Modifications:
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- Principal reference
- Redescribed
- Dominant lithology:
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- Ash
- AAPG geologic province:
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- Hawaii
Summary:
Kahele Ash Member of Hilina Basalt. Named changed to reflect lithology and volcanic origin. Thickness at type section 125 cm, [beds described]. Age presumed to be between 100 ka and 30 ka [Pleistocene].
Type section: measured section at Pohakaa Arroyo (approx. 470 m elevation), south slope of Kilauea Volcano, Lat. 19 deg. 16 min. 40 sec. N., Long. 155 deg. 20 min. 00 sec. W., Kau Desert 7.5-min quadrangle, Hawaii Co., Hawaii Volcanoes Wilderness, Island of Hawaii, HI.
Reference section at Puu Kapukapu [approx. Lat. 19 deg. 16 min. 33 sec. N., Long. 155 deg. 15 min. 34 sec. W.], Kau Desert 7.5-min quadrangle, Hawaii Co., Hawaii Volcanoes Wilderness, Island of Hawaii, HI.
Named from Kahele Arroyo [Kahele Valley, approx. Lat. 19 deg. 17 min. 40 sec. N., Long. 155 deg. 17 min. 52 sec. W.], about 1 km east-southeast of Hilina Shelter, Kau Desert 7.5-min quadrangle, Hawaii Co., Hawaii Volcanoes Wilderness, Island of Hawaii, HI.
Source: Modified from GNU records (USGS DDS-6; Menlo GNULEX).
- Usage in publication:
-
- Kahele Ash Member*
- Modifications:
-
- Redescribed
- AAPG geologic province:
-
- Hawaii
Summary:
Name changed to reflect lithology. Type locality at Pohakaa Arroyo about 3 km southwest of Keana Bihopa. Reference locality at Puu Kapukapu. Assigned Pleistocene age. [see Easton, 1987, this volume]
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 ([ ]).