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LaPaz Icefield 04565
Basic information Name: LaPaz Icefield 04565
     This is an OFFICIAL meteorite name.
Abbreviation: LAP 04565
Observed fall: No
Year found: 2004
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 7.1 g
Classification
  history:
Antarctic Meteorite Newsletter:  AMN 30(2)  (2007)  CM2
Meteoritical Bulletin:  MB 94  (2008)  CM2
Recommended:  CM2    [explanation]

This is 1 of 540 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 31 Aug 2007
Writeuphelp
Writeup from AMN 30(2):
Sample No.: LAP 04565
Location: LaPaz Ice Field
Field No.: 17420
Dimensions (cm):   3.0 x 1.5 x 1.0
Weight (g): 7.066
Meteorite Type:

CM2 Chondrite



Macroscopic Description: Kathleen McBride
The exterior has a small purple black patch of fusion crust. The interior is a black powdery matrix with tiny tan and white chondrules.

Thin Section (,2) Description: Tim McCoy, Lauren LaCroix and Linda Welzenbach
The section consists of a few small chondrules (up to 1 mm), mineral grains and CAIs set in a black matrix; rare metal and sulfide grains are present. Alteration is prevalent within the chondrules. Olivine compositions are Fa1-56, orthopyroxene is Fs1. The meteorite is a CM2 chondrite.



Thin Section Images

Reflected Light
LAP 04565
LAP04565 - Reflected Light



Lab Images

LAP 04565

Data from:
  MB94
  Table 4
  Line 112:
Mass (g):7.066
Class:CM2
Weathering grade:B
Fayalite (mol%):1-56
Ferrosilite (mol%):1
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:
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 40129 approved meteorites from Antarctica (plus 4494 unapproved names)

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