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Meteorite Hills 01070
Basic information Name: Meteorite Hills 01070
     This is an OFFICIAL meteorite name.
Abbreviation: MET 01070
Observed fall: No
Year found: 2001
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 40.6 g
Classification
  history:
NHM Catalogue:  5th Edition  (2000)  CM1
Antarctic Meteorite Newsletter:  AMN 25(2)  (2002)  CM1
Meteoritical Bulletin:  MB 87  (2003)  CM1
MetBase:  v. 7.1  (2006)  CM1
Recommended:  CM1    [explanation]

This is 1 of 26 approved meteorites classified as CM1.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 1), CM chondrites, and CM-CO clan chondrites
Writeuphelp
Writeup from AMN 25(2):
Sample No.: MET 01070; MET 01073; MET 01079
Location: Meteorite Hills
Field No.: 13071; 13836; 13017
Dimensions (cm):   4.5x2.5x3.5
4.0x3.5x0.75
2.5x1.75x1.25
Weight (g): 40.585; 15.717; 11.510
Meteorite Type: CM Chondrites
    MET01070 MET01073 MET01079

Macroscopic Description: Kathleen McBride
The amount of fusion crust varies (from 25-70%) on these meteorites. All have dull purplish black fusion crust with polygonal fractures. The interior is a black matrix with mm-sized white clasts and a brittle texture.

Thin Section (, 2) Description: Description: Gretchen Benedix, Linda Welzenbach and Tim McCoy

MET 01070 - Plane-Polarized Light MET 01073 - Plane-Polarized Light
MET 01070
Plane-Polarized Light
MET 01073
Plane-Polarized Light
MET 01079 - Plane-Polarized Light MET 01079 - Plane-Polarized Light
MET 01079
Plane-Polarized Light
MET 01079
Plane-Polarized Light
The sections consist of a few small chondrules (up to 0.5 mm) that have been completely replaced by phyllosilicate set in an Fe-rich serpentine matrix. No isolated mineral grains or CAIs are apparent; rare sulfide grains are present. Unaltered olivine or pyroxene grains of sufficient size for microprobe analyses were not found. The meteorites are highly altered CM chondrites probably of petrologic type 1.
Data from:
  MB87
  Table A1
  Line 147:
Mass (g):40.59
Class:CM1
Weathering grade:Be
Catalogs:
Search for this meteorite in the NASA/JSC database (U.S.):   
References: Published in Antarctic Meteorite Newsletter 25(2) (2002), JSC, Houston
Published in Meteoritical Bulletin, no. 87, MAPS 38, A189-A248 (2003)
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Photos:
CreditPhotos
Photographs from AMN:
Photograph from unknown source A photo is in the write-up above
Geography:

Antarctica
Coordinates:
     Catalogue of Meteorites:   (79° 41'S, 155° 45'E)
     Recommended::   (79° 41'S, 159° 45'E)
Note: the NHM and MetBase coordinates are 80 km apart

Statistics:
     This is 1 of 38940 approved meteorites from Antarctica (plus 5051 unapproved names)
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