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LaPaz Icefield 04462
Basic information Name: LaPaz Icefield 04462
     This is an OFFICIAL meteorite name.
Abbreviation: LAP 04462
Observed fall: No
Year found: 2004
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 45.9 g
Classification
  history:
Antarctic Meteorite Newsletter:  AMN 30(2)  (2007)  H-imp melt
Meteoritical Bulletin:  MB 94  (2008)  H (Imp melt)
Recommended:  H-imp melt    [explanation]

This is 1 of 13 approved meteorites classified as H-imp melt.   [show all]
Search for other: H chondrites, H chondrites (type 4-7), Melted chondrites, Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 31 Aug 2007
Writeuphelp
Writeup from AMN 30(2):
Sample No.: LAP 04462
Location: LaPaz Ice Field
Field No.: 17335
Dimensions (cm):   4.0 x 3.5 x 2.0
Weight (g): 45.949
Meteorite Type:

H Chondrite (Impact Melt)



Macroscopic Description: Kathleen McBride
This ordinary chondrite has a dark brown exterior.  It has a rusty black interior and a high metal content.

Thin Section (,2) Description: Tim McCoy and Linda Welzenbach
The meteorite is an impact-melt rock of H chondrite composition (Fa18, Fs16) with a fine-grained silicate matrix, rounded metal-sulfide blebs and relict mineral grains.



Thin Section Images

Plane-Polarized
Light LAP 04462
Reflected Light
LAP 04462
Cross Polarized Light
LAP 04462
LAP04462 - Plane-Polarized Light LAP04462 - Reflected Light LAP04462 - Cross Polarized Light



Lab Images

LAP 04462

Data from:
  MB94
  Table 4
  Line 29:
Mass (g):45.949
Class:H (Imp melt)
Weathering grade:C
Fayalite (mol%):18
Ferrosilite (mol%):16
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 39173 approved meteorites from Antarctica (plus 5051 unapproved names)

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