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Larkman Nunatak 12049
Basic information Name: Larkman Nunatak 12049
     This is an OFFICIAL meteorite name.
Abbreviation: LAR 12049
Observed fall: No
Year found: 2012
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 23.1 g
Classification
  history:
Antarctic Meteorite Newsletter:  AMN 36(2)  (2013)  CV3
Meteoritical Bulletin:  MB 102  (2013)  CV3
Antarctic Meteorite Newsletter:  AMN 46(1)  (2023)  CVoxB3.6
Recommended:  CVoxB3.6    [explanation]

This is 1 of 15 approved meteorites classified as CVoxB3.6.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CV chondrites, and CV-CK clan chondrites
Comments: Approved 30 Aug 2013
Revised 27 Mar 2024: Reclassified in AMN 46(1)
Writeuphelp
Writeup from AMN 36(2):
Sample Number LAR 12049
Newsletter 36,2
Location Larkman Nunatak
Field Number 23979
Dimensions 4.0 x 2.1 x 1.5
Weight 23.13
Original Classification CV3 chondrite
Mineral Composition (%Fa &  %Fs)
Fayalite (mol%): 1-32
Weathering
B
Fracturing
A/B
Macroscopic Description - Cecilia Satterwhite
The exterior is covered with fractured brown/black fusion crust with a rough texture. Exposed areas without fusion crust are dark gray to black in color with some oxidation. The interior is a dull gray to black matrix with a few lighter inclusions and oxidation.
Thin Section Description (,2) - Cari Corrigan and Linda Welzenbach
The section exhibits large chondrules (up to 3 mm) and CAIs in a dark matrix. Olivines range from Fa1-32. The meteorite is an unequilibrated CV3 chondrite.
Antarctic Meteorite Images for Sample LAR 12049
Thin Section Photograph of Sample LAR 12049 in Plane-Polarized Light  Thin Section Photograph of Sample LAR 12049 in Reflected Light  Thin Section Photograph of Sample LAR 12049 in Cross-Polarized Light  Thin Section Photograph of Sample LAR 12049 in Plane-Polarized Light 
Thin Section Photograph of Sample LAR 12049 in Reflected Light  Thin Section Photograph of Sample LAR 12049 in Cross-Polarized Light  North View of Sample LAR 12049  South View of Sample LAR 12049 
Splits View of Sample LAR 12049  East View of Sample LAR 12049  Bottom View of Sample LAR 12049  West View of Sample LAR 12049 
Data from:
  MB102
  Table 0
  Line 0:
Date:2012
Mass (g):23.1
Pieces:1
Class:CV3
Weathering grade:B
Fayalite (mol%):1-32
Classifier:SI
Type spec mass (g):23.1
Type spec location:JSC
Main mass:JSC
Finder:ANSMET
Comments:Submitted by AMN
Institutions
   and collections		 JSC: Mailcode XI, 2101 NASA Parkway, NASA Johnson Space Center, Houston, TX 77058, United States; Website (institutional address; updated 28 Jul 2022)
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 36(2) (2013), JSC, Houston
Published in Meteoritical Bulletin, no. 102, MAPS 50, 1662, September 2015
Find references in NASA ADS:
Find references in Google Scholar:
Geography:

Antarctica
Coordinates:Unknown.

Statistics:
     This is 1 of 44547 approved meteorites from Antarctica (plus 3802 unapproved names)
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Revision
  history:
  This lists important revisions made to data for this record.

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