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Larkman Nunatak 04380
Basic information Name: Larkman Nunatak 04380
     This is an OFFICIAL meteorite name.
Abbreviation: LAR 04380
Observed fall: No
Year found: 2004
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 14 g
Classification
  history:
Antarctic Meteorite Newsletter:  AMN 30(2)  (2007)  L3
Recommended:  L3    [explanation]

This is 1 of 681 approved meteorites classified as L3.   [show all]
Search for other: L chondrites, L chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)
Comments: Approved 31 Aug 2007
Writeuphelp
Writeup from AMN 30(2):
Sample No.: LAR 04380
Location: Larkman Nunatak
Field No.: 15593
Dimensions (cm):   2.75 x 2.5 x 1.5
Weight (g): 13.986
Meteorite Type:

L3 Chondrite



Macroscopic Description: Kathleen McBride
The exterior has 80% thin black fusion crust. The interior is a dark brown matrix with high metal content and contains <3 mm sized chondrules of various colors.

Thin Section (,2) Description: Tim McCoy, Lauren LaCroix and Linda Welzenbach
The section exhibits numerous large, well-defined chondrules (up to 3 mm) in a black matrix of fine-grained silicates, metal and troilite. Weak shock effects are present. The meteorite is highly weathered. Silicates are unequilibrated; olivines range from Fa17-31, with most grains Fa30-31, and pyroxenes from Fs6-27. The meteorite is an L3 chondrite (estimated subtype 3.9).



Thin Section Images

Plane-Polarized
Light LAR 04380
Cross Polarized Light
LAR 04380
LAR04380 - Plane-Polarized Light LAR04380 - Cross Polarized Light



Lab Images

LAR  04380

Catalogs:
Search for this meteorite in the NASA/JSC database (U.S.):   
References: Published in Antarctic Meteorite Newsletter 30(2) (2007), JSC, Houston
Published in Meteoritical Bulletin, no. 94, MAPS 43, 1551-1588 (2008)
Find references in NASA ADS:
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Photos:
CreditPhotos
Photographs from AMN:
JSC A photo is in the write-up above
Geography:

Antarctica
Coordinates:Unknown.

Statistics:
     This is 1 of 39175 approved meteorites from Antarctica (plus 5051 unapproved names)

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