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LaPaz Icefield 031223
Basic information Name: LaPaz Icefield 031223
     This is an OFFICIAL meteorite name.
Abbreviation: LAP 031223
Observed fall: No
Year found: 2003
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 4.8 g
Classification
  history:
Antarctic Meteorite Newsletter:  AMN 29(2)  (2006)  L3
Meteoritical Bulletin:  MB 92  (2007)  L3
Recommended:  L3    [explanation]

This is 1 of 680 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 1 Sep 2006
Writeuphelp
Writeup from AMN 29(2):
Sample No.: LAP 031223
Location: LaPaz Ice Field
Field No.: 16677
Dimensions (cm):   1.5x1.5x1.5
Weight (g): 4.778
Meteorite Type: L3 Chondrite


Macroscopic Description: Kathleen McBride
The exterior is covered with brown/black fusion crust with polygonal fractures. The coarse grained interior is rusty with low metal and some gray and rust stained chondrules visible.


Thin Section (,2) Description: Tim McCoy
The section exhibits numerous small, well-defined chondrules (up to 1.5 mm) in a black matrix of fine-grained silicates, metal and troilite. Silicates are unequilibrated; olivines range from Fa1-27 and pyroxenes are Fs3-19. The meteorite is an L3 chondrite (estimated subtype 3.6).



Thin Section Images

Cross-Polarized LightPlane-Polarized Light
LAP 031223 - Cross-Polarized Light LAP 031223 - Plane-Polarized Light



Lab Images

LAP 031223 Image North

Data from:
  MB92
  Table 3
  Line 381:
Mass (g):4.8
Class:L3
Weathering grade:B/C
Fayalite (mol%):1-27
Ferrosilite (mol%):3-19
Catalogs:
Search for this meteorite in the NASA/JSC database (U.S.):   
References: Published in Antarctic Meteorite Newsletter 29(2) (2006), JSC, Houston
Published in Meteoritical Bulletin, no. 92, MAPS 42, 1647-1694 (2007)
Find references in NASA ADS:
Find references in Google Scholar:
Photos:
CreditPhotos
Photographs from AMN:
JSC A photo is in the write-up above
Geography:

Antarctica
Coordinates:Unknown.

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

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