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LaPaz Icefield 04844
Basic information Name: LaPaz Icefield 04844
     This is an OFFICIAL meteorite name.
Abbreviation: LAP 04844
Observed fall: No
Year found: 2004
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 6.8 g
Classification
  history:
Antarctic Meteorite Newsletter:  AMN 29(1)  (2006)  Diogenite
Meteoritical Bulletin:  MB 91  (2007)  Diogenite
Recommended:  Diogenite    [explanation]

This is 1 of 446 approved meteorites classified as Diogenite.   [show all]
Search for other: Achondrites, Diogenites, and HED achondrites
Comments: Approved 21 Feb 2006
Writeuphelp
Writeup from AMN 29(1):
Sample No.: LAP 04844
Location: LaPaz Ice Field
Field No.: 17074
Dimensions (cm):   2.0x2.0x1.5
Weight (g): 6.831
Meteorite Type: Diogenite
LAP 04844


Macroscopic Description: Kathleen McBride
The exterior has some patchy brown/black fusion crust. The tan to yellowish fine grained matrix has green and brown clasts of various sizes. Thin Section (,2) Description: Tim McCoy and Linda Welzenbach
Cross-Polarized Light Plane-Polarized Light
LAP 04844 - Cross-Polarized Light LAP 04844 - Plane-Polarized Light
The section shows a groundmass of coarse (up to 1.5 mm) comminuted pyroxene. Orthopyroxene has a composition of Fs23Wo2. The meteorite is a diogenite and is probably paired with the LAP 91900 pairing group.
Data from:
  MB91
  Table 4
  Line 691:
Mass (g):6.8
Class:Dio
Weathering grade:B
Ferrosilite (mol%):23
Catalogs:
Search for this meteorite in the NASA/JSC database (U.S.):   
References: Published in Antarctic Meteorite Newsletter 29(1) (2006), JSC, Houston
Published in Meteoritical Bulletin, no. 91, MAPS 42, 413-466 (2007)
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Photos:
CreditPhotos
Photographs from AMN:
Photograph from unknown source A photo is in the write-up above
Geography:

Antarctica
Coordinates:Unknown.

Statistics:
     This is 1 of 40719 approved meteorites from Antarctica (plus 4494 unapproved names)

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