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Larkman Nunatak 04319
Basic information Name: Larkman Nunatak 04319
     This is an OFFICIAL meteorite name.
Abbreviation: LAR 04319
Observed fall: No
Year found: 2003
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 1.7 g
Classification
  history:
Antarctic Meteorite Newsletter:  AMN 28(2)  (2005)  CM2
Meteoritical Bulletin:  MB 91  (2007)  CM2
Recommended:  CM2    [explanation]

This is 1 of 622 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 1 Sep 2005
Writeuphelp
Writeup from AMN 28(2):
Sample No.: LAR 04319
Location: Larkman Nunatak
Field No.: 15550
Dimensions (cm):   2.5x1.0x0.5
Weight (g): 1.703
Meteorite Type: CM2 Chondrite
    LAR 04319 LAR 04319

Macroscopic Description: Kathleen McBride
The exterior of this carbonaceous chondrite is covered with 100% thick brown/black fusion crust with polygonal fractures. The interior is a black matrix with tiny white inclusions.

Thin Section (,3) Description: Tim McCoy

LAR 04319 - Cross-Polarized Light LAR 04319 - Reflected Light
Cross-Polarized Light Reflected Light
The section consists of numerous small chondrules (up to 1 mm), mineral grains and CAIs set in a black matrix; rare metal and sulfide grains are present. Chondrules exhibit relatively little alteration and are set in a matrix of serpentine. Olivine compositions are Fa0-27, with a strong peak at Fa0-2. The meteorite is a CM2 chondrite.
Data from:
  MB91
  Table 4
  Line 696:
Mass (g):1.7
Class:CM2
Weathering grade:A/B
Fayalite (mol%):0-27
Catalogs:
Search for this meteorite in the NASA/JSC database (U.S.):   
References: Published in Antarctic Meteorite Newsletter 28(2) (2005), 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 43856 approved meteorites from Antarctica (plus 3802 unapproved names)

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