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MacAlpine Hills 02635
Basic information Name: MacAlpine Hills 02635
     This is an OFFICIAL meteorite name.
Abbreviation: MAC 02635
Observed fall: No
Year found: 2002
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 17.9 g
Classification
  history:
Antarctic Meteorite Newsletter:  AMN 27(1)  (2004)  EL3
Meteoritical Bulletin:  MB 88  (2004)  EL3
MetBase:  v. 7.1  (2006)  EL3
Recommended:  EL3    [explanation]

This is 1 of 22 approved meteorites classified as EL3.   [show all]
Search for other: EL chondrites, Enstatite chondrites, Enstatite chondrites (type 3), and Enstatite-rich meteorites
Comments: Field number: 14780
Writeuphelp
Writeup from AMN 27(1):
Sample No.: MAC 02635
Location: MacAlpine Hills
Field No.: 14780
Dimensions (cm):   3.0x2.0x2.0
Weight (g): 17.891
Meteorite Type: EL3 Chondrite
    MAC02635

Macroscopic Description: Kathleen McBride
The exterior of this enstatite chondrite is rusty and shiny. The rusty black matrix is hard, brittle and contains dark gray to rusty chondrules/inclusions that are 1-2 mm in size.

Thin Section (,2) Description: Linda Welzenbach, Tim McCoy
The section shows an aggregate of chondrules (up to 2 mm), chondrule fragments, and pyroxene grains in a matrix of about 30% metal and sulfide. A few chondrules contain rare olivine. Weathering is moderate, with staining of enstatite grains and heavy alteration of metal and sulfides. Microprobe analyses shows the orthopyroxene is Fs1-4 and metal contains 1.1 wt.% Si. The meteorite is an EL3 chondrite and is likely not paired with MAC 02837/02839.

MAC 02635 - Cross-Polarized Light MAC 02635 - Plane-Polarized Light MAC 02635 - Reflected Light
Cross-Polarized Light Plane-Polarized Light Reflected Light

Data from:
  MB88
  Table A1
  Line 74:
Mass (g):17.891
Class:EL3
Weathering grade:C
Ferrosilite (mol%):1-4
Catalogs:
Search for this meteorite in the NASA/JSC database (U.S.):   
References: Published in Antarctic Meteorite Newsletter 27(1) (2004), JSC, Houston
Published in Meteoritical Bulletin, no. 88, MAPS 39, A215-A272 (2004)
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Photos:
CreditPhotos
Photographs from AMN:
Photograph from unknown source A photo is in the write-up above
Geography:

Antarctica
Coordinates:
     Recommended::   (84° 18' 58"S, 159° 45' 14"E)
Note: the MetBase and recommended coordinates are 13.9 km apart

Statistics:
     This is 1 of 39173 approved meteorites from Antarctica (plus 5051 unapproved names)
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