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LaPaz Icefield 031062
Basic information Name: LaPaz Icefield 031062
     This is an OFFICIAL meteorite name.
Abbreviation: LAP 031062
Observed fall: No
Year found: 2003
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 12.3 g
Classification
  history:
Antarctic Meteorite Newsletter:  AMN 29(2)  (2006)  Eucrite-br
Meteoritical Bulletin:  MB 92  (2007)  Eucrite-br
Recommended:  Eucrite-br    [explanation]

This is 1 of 187 approved meteorites classified as Eucrite-br.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 1 Sep 2006
Writeuphelp
Writeup from AMN 29(2):
Sample No.: LAP 031062
Location: LaPaz Ice Field
Field No.: 16437
Dimensions (cm):   2.5x2.5x1.0
Weight (g): 12.245
Meteorite Type: Eucrite (Brecciated)


Macroscopic Description: Kathleen McBride
50% of the exterior of this eucrite has black fusion crust with glassy patches. The interior is tan to light brown with no metal and black and white specks are visible.


Thin Section (,2) Description: Tim McCoy and Valerie Reynolds
This meteorite consists of a brecciated matrix that contains abundant coarse (up to 2 mm) mineral fragments and rare polyminerallic clusters. Mineral compositions are relatively homogeneous with orthopyroxene (Fs41Wo1), lamellae of augite (Fs17Wo41), and plagioclase (An89Or0.5). The Fe/Mn ratio of the pyroxene is ~28. The meteorite is a brecciated eucrite.



Thin Section Images

Cross-Polarized LightPlane-Polarized Light
LAP 031062 - Cross-Polarized Light LAP 031062 - Plane-Polarized Light



Lab Images

LAP 031062 Image Interior

Data from:
  MB92
  Table 3
  Line 326:
Mass (g):12.3
Class:Euc-brecciated
Weathering grade:A/B
Ferrosilite (mol%):17-41
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 40759 approved meteorites from Antarctica (plus 4494 unapproved names)

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