Axtell meteorite, McLennan Co., Texas, USA
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|Latitude & Longitude (WGS84):||31° 39' 36'' North , 96° 58' 18'' West|
|Latitude & Longitude (decimal):||31.66000,-96.97167|
|Non-native locality type:||Meteorite|
|Meteorite Class:||CV3 chondrite meteorite|
|Meteoritical Society Class:||CV3|
|Metbull:||View entry in Meteoritical Bulletin Database|
|Köppen climate type:||Cfa : Humid subtropical climate|
CV3-ox Carbonaceous Chondrite, Weathered
In 1943 a single 6.3 kg stone was plowed up, identified as a meteorite, but placed aside. In 1993 it was sold to a meteorite collector and soon thereafter recognized as both a very weathered and a very unusual (Vigarano-like) carbonaceous chondrite. CV meteorites are distinguished by large chondrules, large refractory inclusions and abundant matrix as well as by their oxygen isotope ratios. Axtell belongs to the oxidized subgroup of the CV meteorites [which includes Allende, Grosnaja, Kaba and Mokoia] and, indeed, was suspected of being a stray piece of Allende. It is, however, significantly different in several respects. A small, but significant fraction of Axtell’s inclusions are reduced. Furthermore, Axtell lacks the sulfide veins and has escaped the general sulfidization which has affected some oxidized CVs. Axtell’s weathering obviously creates significant challenges in interpretation, but it is reported that the inclusions and most chondrules are not nearly as weathered as the stained and rusty matrix.
20 valid minerals.
Meteorite/Rock Types Recorded
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Caillet, C. (1994). A new type of Al-rich inclusion in Axtell CV3 chondrite. Meteoritics 29 (4): 453-454. (July1994)
Casanova, I. & Simon, S. B. (1994). Opaque minerals in CAIs, and classification of the Axtell (CV3) chondrite. Meteoritics 29 (4): 454-455. (July 1994)
Wlotzka, F. (1994). The Meteoritical Bulletin, No. 77, 1994 November. Meteoritics 29 (6): 891-897. (Nov 1994)
Simon, S. B., Grossman, L., Casanova, I., Symes, S., Benoit, P., Sears, D. W. G. & Wacker, J. F. (1995). Meteoritics 30 (1): 42-46. (Jan 1995)
Yoneda, S., Simon, S. B. & Grossman, L. (1995). Lunar and Planetary Science Conference XXVI, Abstracts. page 1541. (March 1995).
Brearley, A. J. & Jones, R. H. (1998). Chondritic Meteorites. In: Planetary Materials (Papike, J. J., Editor): Chapter 3, 398 pages. Mineralogical Society of America: Washington, DC, USA. (1998)
Huss, G. R., Meshik, A. P. & Hohenberg, C. M. (2000). Abundances of Presolar Grains in Renazzo and Axtell: Implications for the Thermal Histories. Lunar and Planetary Science Conference XXXI, Abstract #1467. (March 2000)
Srinivasan, G., Huss, G. R. & Wasserburg, G. J. ( 2000). A petrographic, chemical, and isotopic study of calcium-aluminum-rich inclusions and aluminum-rich chondrules from the Axtell (CV3) chondrite. Meteoritics & Planetary Science 35 (6): 1333-1354. (Nov 2000)
Grady, M. M. (2000). Catalogue of Meteorites (5/e). Cambridge University Press: Cambridge, New York, Oakleigh, Madrid, Cape Town.