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Graves Nunataks 06173
Basic information Name: Graves Nunataks 06173
     This is an OFFICIAL meteorite name.
Abbreviation: GRA 06173
Observed fall: No
Year found: 2006
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 5.5 g
Classification
  history:
Antarctic Meteorite Newsletter:  AMN 30(2)  (2007)  CK4
Meteoritical Bulletin:  MB 94  (2008)  CK4
Recommended:  CK4    [explanation]

This is 1 of 104 approved meteorites classified as CK4.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (equilibrated), CK chondrites, CK chondrites (type 4-6), and CV-CK clan chondrites
Comments: Approved 31 Aug 2007
Writeuphelp
Writeup from AMN 30(2):
Sample No.: GRA 06173
Location: Graves Nunataks
Field No.: 17756
Dimensions (cm):   1.0 x 1.0 x 2.0
Weight (g): 5.505
Meteorite Type:

CK4 Chondrite



Macroscopic Description: Kathleen McBride
100% shiny, black fusion crust with polygonal fractures covers the exterior. The interior is a gray matrix with gray chondrules.

Thin Section (,2) Description: Tim McCoy and Linda Welzenbach
The section consists of large (up to 2 mm), well-defined chondrules in a matrix of finer-grained silicates, sulfides and magnetite. The meteorite is a little weathered, but extensively shock blackened. Silicates are homogeneous. Olivine is Fa31. Plagioclase is An36-63. The meteorite appears to be a CK4 chondrite.



Thin Section Images

Plane-Polarized
Light GRA 06173
Cross Polarized Light
GRA 06173
GRA06173 - Plane-Polarized Light GRA06173 - Cross Polarized Light



Lab Images

GRA 06173

Data from:
  MB94
  Table 4
  Line 10:
Mass (g):5.505
Class:CK4
Weathering grade:A/B
Fayalite (mol%):31
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 38937 approved meteorites from Antarctica (plus 5051 unapproved names)

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