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Koko Craters, Oahu, Honolulu Co., Hawaii, USAi
Regional Level Types
Koko Craters- not defined -
OahuIsland
Honolulu Co.County
HawaiiState
USACountry

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Koko Crater from the west, 11 May 2019

Koko Craters, Oahu, Honolulu Co., Hawaii, USA
Koko Crater from the west, 11 May 2019

Koko Craters, Oahu, Honolulu Co., Hawaii, USA
Koko Crater from the west, 11 May 2019

Koko Craters, Oahu, Honolulu Co., Hawaii, USA
Latitude & Longitude (WGS84):
21° 17' North , 157° 41' West
Latitude & Longitude (decimal):
Nearest Settlements:
PlacePopulationDistance
East Honolulu49,914 (2017)3.6km
Waimānalo Beach4,481 (2015)5.9km
Waimanalo5,451 (2015)8.1km
Maunawili2,040 (2011)13.4km
Kailua38,635 (2017)14.5km


Koko Craters are part of a large crater complex on the southeast part of the island. The map marker is for the crater area and not for any mineral collecting site.

Regions containing this locality

Pacific OceanOcean
Pacific PlateTectonic Plate

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


3 valid minerals.

Detailed Mineral List:

Analcime
Formula: Na(AlSi2O6) · H2O
Reference: American Mineralogist (1969) 54:182-197
'Chabazite'
Habit: rhombohedra to 0.8mm across
Colour: colorless
Reference: Tschernich, R. (1992): Zeolites of the World, p.114; American Mineralogist (1969) 54:182-197
Gonnardite
Formula: (Na,Ca)2(Si,Al)5O10 · 3H2O
Reference: American Mineralogist (1969) 54:182-197
Natrolite
Formula: Na2Al2Si3O10 · 2H2O
Reference: American Mineralogist (1969) 54:182-197
'Phillipsite'
Reference: American Mineralogist (1969) 54:182-197

List of minerals arranged by Strunz 10th Edition classification

Group 9 - Silicates
Analcime9.GB.05Na(AlSi2O6) · H2O
Gonnardite9.GA.05(Na,Ca)2(Si,Al)5O10 · 3H2O
Natrolite9.GA.05Na2Al2Si3O10 · 2H2O
Unclassified Minerals, Rocks, etc.
'Chabazite'-
'Phillipsite'-

List of minerals arranged by Dana 8th Edition classification

Group 77 - TECTOSILICATES Zeolites
Zeolite group - True zeolites
Analcime77.1.1.1Na(AlSi2O6) · H2O
Gonnardite77.1.5.7(Na,Ca)2(Si,Al)5O10 · 3H2O
Natrolite77.1.5.1Na2Al2Si3O10 · 2H2O
Unclassified Minerals, Mixtures, etc.
'Chabazite'-
'Phillipsite'-

List of minerals for each chemical element

HHydrogen
H AnalcimeNa(AlSi2O6) · H2O
H Gonnardite(Na,Ca)2(Si,Al)5O10 · 3H2O
H NatroliteNa2Al2Si3O10 · 2H2O
OOxygen
O AnalcimeNa(AlSi2O6) · H2O
O Gonnardite(Na,Ca)2(Si,Al)5O10 · 3H2O
O NatroliteNa2Al2Si3O10 · 2H2O
NaSodium
Na AnalcimeNa(AlSi2O6) · H2O
Na Gonnardite(Na,Ca)2(Si,Al)5O10 · 3H2O
Na NatroliteNa2Al2Si3O10 · 2H2O
AlAluminium
Al AnalcimeNa(AlSi2O6) · H2O
Al Gonnardite(Na,Ca)2(Si,Al)5O10 · 3H2O
Al NatroliteNa2Al2Si3O10 · 2H2O
SiSilicon
Si AnalcimeNa(AlSi2O6) · H2O
Si Gonnardite(Na,Ca)2(Si,Al)5O10 · 3H2O
Si NatroliteNa2Al2Si3O10 · 2H2O
CaCalcium
Ca Gonnardite(Na,Ca)2(Si,Al)5O10 · 3H2O

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Late Pleistocene
0.0117 - 0.126 Ma



ID: 2343058
Honolulu Volcanics

Age: Pleistocene (0.0117 - 0.126 Ma)

Stratigraphic Name: Honolulu Volcanics

Description: Coarse near-vent cinder and spatter

Lithology: Vent deposits; basaltic volcanic rocks

Reference: Sherrod, D.R., J.M. Sinton, S.E. Watkins, K.M. Brunt. Geologic Map of the State of Hawaii. U.S. Geological Survey. [48]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Tschernich, R. (1992): Zeolites of the World, p.114


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