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LaPaz Icefield 031214
Basic information Name: LaPaz Icefield 031214
     This is an OFFICIAL meteorite name.
Abbreviation: LAP 031214
Observed fall: No
Year found: 2003
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 9.5 g
Classification
  history:
Antarctic Meteorite Newsletter:  AMN 29(1)  (2006)  CM1-2
Meteoritical Bulletin:  MB 91  (2007)  CM1/2
Antarctic Meteorite Newsletter:  AMN 31(1)  (2008)  CM1/2
AMN 46(2)  (2023)  CM2
Recommended:  CM2    [explanation]

This is 1 of 641 approved meteorites classified as CM2.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 2), CM chondrites, and CM-CO clan chondrites
Comments: Approved 21 Feb 2006
Revised 27 Mar 2024: Reclassified in AMN 46(2)
Writeuphelp
Writeup from AMN 29(1):
Sample No.: LAP 031214
Location: LaPaz Ice Field
Field No.: 16820
Dimensions (cm):   3.0x2.0x2.0
Weight (g): 9.504
Meteorite Type: CM 1-2 Chondrite
LAP 031214 LAP 031214
LAP 031214   


Macroscopic Description: Kathleen McBride
Thick purple-black fusion crust covers 40% of the exterior. Polygonal fractures are visible. The interior is a dark gray to black matrix with an oxidation rind.

Thin Section (,2) Description: Tim McCoy and Linda Welzenbach
The sections consist of a few isolated mineral grains in a black matrix; rare metal and sulfide grains are present. Olivine compositions are Fa1-41. The meteorite is a CM chondrite and is intermediate between type 1 and type 2.

Plane-Polarized LightReflected LightReflected Light
LAP 031214 - Plane-Polarized Light LAP 031214 - Reflected Light
 LAP 031214 - Reflected Light
Data from:
  MB91
  Table 4
  Line 627:
Mass (g):9.5
Class:CM1/2
Weathering grade:B
Fayalite (mol%):1-41
Catalogs:
Search for this meteorite in the NASA/JSC database (U.S.):   
References: Published in Antarctic Meteorite Newsletter 29(1) (2006), JSC, Houston
Published in Meteoritical Bulletin, no. 91, MAPS 42, 413-466 (2007)
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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:
unknown         
Geography:

Antarctica
Coordinates:Unknown.

Statistics:
     This is 1 of 45041 approved meteorites from Antarctica (plus 3472 unapproved names)

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