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Miller Range 07677
Basic information Name: Miller Range 07677
     This is an OFFICIAL meteorite name.
Abbreviation: MIL 07677
Observed fall: No
Year found: 2007
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 1.2 g
Classification
  history:
Antarctic Meteorite Newsletter:  AMN 32(2)  (2009)  CM1/2
Meteoritical Bulletin:  MB 98  (2010)  CM1-2
Recommended:  CM1/2    [explanation]

This is 1 of 26 approved meteorites classified as CM1/2.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 1), CM chondrites, and CM-CO clan chondrites
Comments: Field number: 18371
Approved 4 Sep 2009
Writeuphelp
Writeup from AMN 32(2):
Sample Number MIL 07677
Pairing
Newsletter 32,2
Location Miller Range
Field Number 18371
Dimensions 1.0 x 0.5 x 0.5 (largest piece)
Weight 1.2
Original Classification CM1/2 Chondrite
Macroscopic Description - Kathleen McBride
This meteorite was in many pieces. 50% black fusion crust with polygonal fractures covers the exterior. The interior is a black matrix with evaporites.
Thin Section (,2) Description - Cari Corrigan, Tim McCoy and Linda Welzenbach
The meteorite consists of a highly-altered chondrules and matrix with carbonates and rare unaltered mafic silicates. Chondrule outlines are distinct, despite the extensive alteration. A single olivine analyses is Fa1. The meteorite is a CM1/2 meteorite.
Antarctic Meteorite Images for Sample MIL 07677
MIL 07677 Meteorite Thin Section Photo with 5x magnification in Plane-Polarized Light  MIL 07677 Meteorite Thin Section Photo with 5x magnification in Cross-Polarized Light 
Data from:
  MB98
  Table 2
  Line 521:
Mass (g):1.2
Class:CM1-2
Weathering grade:Be
Fayalite (mol%):1
Ferrosilite (mol%):
Classifier:SI
Type spec location:JSC, SI
Main mass:JSC
Comments:Fracturing C
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 32(2) (2009), JSC, Houston
Published in Meteoritical Bulletin, no. 98, MAPS 45, 1530-1551 (2010)
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Geography:

Antarctica
Coordinates:
     Recommended::   (83° 28' 51"S, 156° 56' 20"E)

Statistics:
     This is 1 of 43856 approved meteorites from Antarctica (plus 3802 unapproved names)
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