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Larkman Nunatak 06618
Basic information Name: Larkman Nunatak 06618
     This is an OFFICIAL meteorite name.
Abbreviation: LAR 06618
Observed fall: No
Year found: 2006
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 43.5 g
Classification
  history:
Antarctic Meteorite Newsletter:  AMN 33(1)  (2010)  Ureilite
Meteoritical Bulletin:  MB 98  (2010)  Ureilite
Recommended:  Ureilite    [explanation]

This is 1 of 582 approved meteorites classified as Ureilite.   [show all]
Search for other: Achondrites, Ureilites
Comments: Approved 11 Feb 2010
Writeuphelp
Writeup from AMN 33(1):
Sample Number LAR 06618
Pairing  
Newsletter 33,1
Location Larkman Nunataks
Field Number 19140
Dimensions 4.25 x 3.25 x 2.0
Weight 43.498
Original Classification Ureilite
Macroscopic Description - Kathleen McBride
Thick black vesicular fusion crust covers 30% of the exterior of this meteorite. The surface has slightly platy fracturing. The rusty brown interior is coarse grained with minor evaporates in tiny spots.
Thin Section (,4) Description - Cari Corrigan
The section consists of an aggregate of large (up to 2.5 mm) olivine grains. Individual olivine grains are rimmed by carbon-rich material containing traces of metal. Metal forms veins between olivines. Olivine has cores of Fa19, with rims reduced to Fa7. The meteorite is a ureilite.
Antarctic Meteorite Images for Sample LAR 06618
lar06618,0,1,3i.jpg  LAR06618_2.5PPL_UR.jpg  LAR06618_2.5XPL_UR.jpg 
Data from:
  MB98
  Table 2
  Line 166:
Mass (g):43.5
Class:Ureilite
Weathering grade:Ce
Fayalite (mol%): 7-19
Ferrosilite (mol%):
Classifier:SI
Type spec location:JSC, SI
Main mass:JSC
Comments:Fracturing C
Institutions
   and collections
JSC: Mailcode KT, 2101 NASA Parkway, NASA Johnson Space Center, Houston, TX 77058, United States; Website (institutional address; updated 3 Sep 2013)
SI: Department of Mineral Sciences, NHB-119, National Museum of Natural History, Smithsonian Institution, Washington, DC 20560, United States; Website (institutional address; updated 16 Jan 2012)
Catalogs:
Search for this meteorite in the NASA/JSC database (U.S.):   
References: Published in Antarctic Meteorite Newsletter 33(1) (2010), JSC, Houston
Published in Meteoritical Bulletin, no. 98, MAPS 45, 1530-1551 (2010)
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Geography:

Antarctica
Coordinates:Unknown.

Statistics:
     This is 1 of 40849 approved meteorites from Antarctica (plus 4494 unapproved names)

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