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Cashion meteorite, Kingfisher Co., Oklahoma, USA

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Latitude & Longitude (WGS84): 35° 50' 52'' North , 97° 42' 11'' West
Latitude & Longitude (decimal): 35.84778,-97.70333
Non-native locality type:Meteorite
Köppen climate type:Cfa : Humid subtropical climate


Ordinary chondrite, black (H4)
Find, 1936; 5.9 kg

A partly crusted stone was plowed up. Inspections reveal distinct chondrules and chondrule fragments within a roughly equilibrated, but shock-darkened matrix. Compositionally, mostly equilibrated olivine (Fa18) and nearly equilibrated low Ca-pyroxene is characteristic of H4-chondrites. Mineralogically the meteorite consists primarily of dominant olivine accompanied by pyroxene with minor troilite and Fe-Ni metal. Accessory chromite and copper are also reported.

Cashion is one of two ordinary chondrites from Kingfisher County which were observed by Paul Ramdohr (1973) in his comprehensive review of opaque minerals in stony meteorites. The other meteorite is, reasonably enough, known as the Kingfisher meteorite.

Mineral List


5 valid minerals.

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References

Leonard, F.C. (1956) A classificational catalog of the meteoritic falls of the world. University of California Press: Berkeley.
Krinov, E. L. - Ed. (1958) Meteoritical Bulletin, no. 8: Moscow.

Knox Jr., R. (1963) The microstructure of several stony meteorites: Geochimica et Cosmochimica Acta 27(3): 261-268. (March 1963).

Mason, B. (1963) Olivine in ordinary chondrites. Geochimica et Cosmochimica Acta 27(9): 1011-1023. (Sept 1963).

Ramdohr, P. (1973). The Opaque Minerals in Stony Meteorites. Elsevier Publishing Company: Amsterdam; London: New York. 245 pages.

Graham, A.L., Bevan, A.W.R. & Hutchison, B. (1985) Catalogue of Meteorites (4/e). University of Arizona Press: Tucson.

Grady, M.M. (2000). Catalogue of Meteorites (5/e). Cambridge University Press: Cambridge; New York; Oakleigh; Madrid; Cape Town. 689 pages.

Mineral and/or Locality  
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