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LaPaz Icefield 031347
Basic information Name: LaPaz Icefield 031347
     This is an OFFICIAL meteorite name.
Abbreviation: LAP 031347
Observed fall: No
Year found: 2003
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 9 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 031347
Location: LaPaz Ice Field
Field No.: 16708
Dimensions (cm):   2.0x2.0x1.25
Weight (g): 8.957
Meteorite Type: L3 Chondrite


Macroscopic Description: Kathleen McBride
100% of the exterior is covered with brown/black fusion crust. The interior is dark rusty to black with mm sized rusty stained chondrules.


Thin Section (,2) Description: Valerie Reynolds and Tim McCoy
The small section exhibits numerous well-defined chondrules (up to 2.5 mm) in a black matrix of fine-grained silicates, metal and troilite. Polysynthetically twinned pyroxene is abundant. The meteorite is moderately weathered. Silicates are unequilibrated; olivines range from Fa0-33 and pyroxenes from Fs2-5. The meteorite is an L3 chondrite (estimated subtype 3.6).



Thin Section Images

Cross-Polarized LightPlane-Polarized Light
LAP 03147 - Cross-Polarized Light LAP 031347 - Plane-Polarized Light



Lab Images

LAP 031347 Image North

Data from:
  MB92
  Table 3
  Line 471:
Mass (g):9
Class:L3
Weathering grade:C
Fayalite (mol%):0-33
Ferrosilite (mol%):2-5
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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