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LaPaz Icefield 03865
Basic information Name: LaPaz Icefield 03865
     This is an OFFICIAL meteorite name.
Abbreviation: LAP 03865
Observed fall: No
Year found: 2003
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 19.2 g
Classification
  history:
Antarctic Meteorite Newsletter:  AMN 29(1)  (2006)  CM2
Meteoritical Bulletin:  MB 91  (2007)  CM2
Recommended:  CM2    [explanation]

This is 1 of 541 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
Writeuphelp
Writeup from AMN 29(1):
Sample No.: LAP 03865
Location: LaPaz Ice Field
Field No.: 16504
Dimensions (cm):   4.0x3.0x1.5
Weight (g): 19.161
Meteorite Type: CM2 Chondrite
LAP 03865


Macroscopic Description: Kathleen McBride
20% of the exterior has thick, polygonal fractured purple fusion crust. The interior of this carbonaceous chondrite has a black, charcoal-like matrix with an oxidation rind. Tiny white inclusions are present.

Thin Section (,2) Description: Tim McCoy and Valerie Reynolds
The sections consist of a few small chondrules (up to 0.5 mm), mineral grains and CAIs set in a black matrix; rare metal and sulfide grains are present. Olivine compositions are Fa0-54, with a peak at Fa0-2. The matrix consists dominantly of an Fe-rich serpentine. The meteorite is a CM2 chondrite.

Cross-Polarized LightPlane-Polarized LightCross-Polarized LightPlane-Polarized Light
LAP 03865 - Cross-Polarized Light LAP 03865 - Plane-Polarized Light
LAP 03865 - Cross-Polarized Light LAP 03865 - Plane-Polarized Light
Data from:
  MB91
  Table 4
  Line 348:
Mass (g):19.2
Class:CM2
Weathering grade:C
Fayalite (mol%):0-54
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
Geography:

Antarctica
Coordinates:Unknown.

Statistics:
     This is 1 of 40129 approved meteorites from Antarctica (plus 4494 unapproved names)

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