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Auburn meteorite, Auburn, Lee Co., Alabama, USA

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Latitude & Longitude (WGS84): 32° 37' 60'' North , 85° 30' 0'' West
Latitude & Longitude (decimal): 32.6333333333, -85.5
 
Iron meteorite, anomalous hexahedrite (IIG)
Find 1867, 3.63 kg

A heavily corroded mass of Fe-Ni metal (Ni ~5%) dominated by kamacite was ploughed up 1.2 km west of Stamford Hall, Auburn University on Daniel Plantation. Schreibersite is abundant with much smaller amounts of troilite occasionally found in troilite-daubréelite-schreibersite intergrowths. Auburn is not a simple hexahedrite sensu strictu as small islands of taenite accompanied by schreibersite are present. Neumann bands indicate preterrestrial shocks and some regions have been forged and hammered.

Auburn is one of a small group of 6 IIG irons which are characterized by high abundances of schreibersite and low amounts of troilite. It has been suggested that Auburn is a fragment of the Tombigbee iron, but there is no consensus on the issue.

Mineral List



5 entries listed. 4 valid minerals.

The above list 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

Buchwald, V. F. (1975) Handbook of Iron Meteorites. University of California Press. 1418 pages.

Grady, M. M. (2000) Catalogue of Meteorites (5/e). Cambridge University Press: Cambridge, New York, Oakleigh, Madrid, Cape Town. 690 pages.

Wasson, J.T. & Choi, W.-H. (2009). The IIG iron meteorites: Probable formation in the IIAB core. Geochim. Cosmochim. Acta 73, 4879–4890.

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