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Shallowater meteorite, Lubbock Co., Texas, USA

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Latitude & Longitude (WGS84): 33° 42' 0'' North , 101° 55' 59'' West
Latitude & Longitude (decimal): 33.70000,-101.93333
Non-native locality type:Meteorite
Meteorite Class:Aubrite meteorite
Meteoritical Society Class: Aubrite
Metbull:View entry in Meteoritical Bulletin Database
Köppen climate type:BSk : Cold semi-arid (steppe) climate


A 4.65 kg. meteorite (aubrite) found in 1936.

Shallowater is the only known unbrecciated, igneous aubrite. It is a coarse-grained orthopyroxenite consisting of (in vol%) poikilitic orthoenstatite crystals (80 vol%) up to 4.5 cm in size which contain, as inclusions and in the interstices, xenoliths of an assemblage of twinned low-Ca clinoenstatite (1), forsterite (2.9 vol%), plagioclase (2.5 vol%), metallic Fe,Ni (3.3), troilite (2.9), schreibersite (0.4), weathered opaques (8 vol%), and traces of niningerite and oldhamite.

A number of mineralogical peculiarities have led Klaus Keil and others to suggest that Shallowater's parent body was different from the parent body of the other aubrite falls.


Mineral List


15 valid minerals.

Meteorite/Rock Types Recorded

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This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

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Foshag, William F. (1940). The Shallowater Meteorite, A New Aubrite. American Mineralogist: 25: 779-786.
Ramdohr, P. (1973). The Opaque Minerals in Stony Meteorites. Elsevier Publishing Company: Amsterdam; London: New York.
Keil, Klaus, Th. Ntaflos, G. J. Taylor, A. J. Brearley, H. E. Newsom, A. D. Romig Jr. (1989). The Shallowater aubrite: Evidence for origin by planetesimal impacts. Geochimica et Cosmochimica Acta: 53(12): 3291–3307. (December 1989).
Grady, Monica M. (2000). Catalogue of Meteorites (5/e). Cambridge University Press: Cambridge, New York, Oakleigh, Madrid, Cape Town. 690 pages.

 
Mineral and/or Locality  
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