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LaPaz Icefield 02231
Basic information Name: LaPaz Icefield 02231
     This is an OFFICIAL meteorite name.
Abbreviation: LAP 02231
Observed fall: No
Year found: 2002
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 257 g
Classification
  history:
Antarctic Meteorite Newsletter:  AMN 27(1)  (2004)  H5
Meteoritical Bulletin:  MB 88  (2004)  H5
MetBase:  v. 7.1  (2006)  H5
Recommended:  H5    [explanation]

This is 1 of 9637 approved meteorites (plus 16 unapproved names) classified as H5.   [show all]
Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Writeuphelp
Writeup from AMN 27(1):
Sample No.: LAP 02231
Location: LaPaz Icefield
Field No.: 15171
Dimensions (cm):   6.0x5.0x4.8
Weight (g): 256.7
Meteorite Type: H5 Chondrite
    LAP02231

Macroscopic Description: Cecilia Satterwhite
The exterior is black/brown. The interior reveals a gray/black matrix with lots of rusty areas. Some gray clasts are visible.

Thin Section (,2) Description: Tim McCoy, Linda Welzenbach
The section consists of a large (1 cm) wide shock vein dominated by fine-grained (2-50 micron grain size) olivine and pyroxene with elongated metal and sulfides cross cutting a chondritic host with chondrules reaching 1 mm. The mineral compositions are homogenous; olivine is Fa17 and orthopyroxene is Fs16. The meteorite is a shock-veined H5 chondrite. The section examined may not be a good representative of the mass as whole. It may be paired with LAP 02237.


LAP 02231 - Cross-Polarized Light LAP 02231 - Plane-Polarized Light LAP 02231 - Reflected Light
Cross-Polarized Light Plane-Polarized Light Reflected Light
Data from:
  MB88
  Table A1
  Line 20:
Mass (g):256.7
Class:H5
Weathering grade:B
Fayalite (mol%):17
Ferrosilite (mol%):16
Catalogs:
Search for this meteorite in the NASA/JSC database (U.S.):   
References: Published in Antarctic Meteorite Newsletter 27(1) (2004), JSC, Houston
Published in Meteoritical Bulletin, no. 88, MAPS 39, A215-A272 (2004)
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Photos:
CreditPhotos
Photographs from AMN:
Photograph from unknown source A photo is in the write-up above
Photos from the Encyclopedia of Meteorites:
Dr Carlton Allen, JSC-KT, NASA         
Geography:

Antarctica
Coordinates:
     Recommended::   (86° 22'S, 70° 0'W)

Statistics:
     This is 1 of 39173 approved meteorites from Antarctica (plus 5051 unapproved names)
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