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MacAlpine Hills 02522
Basic information Name: MacAlpine Hills 02522
     This is an OFFICIAL meteorite name.
Abbreviation: MAC 02522
Observed fall: No
Year found: 2002
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 5.7 g
Classification
  history:
Antarctic Meteorite Newsletter:  AMN 26(2)  (2003)  Eucrite-unbr
Meteoritical Bulletin:  MB 88  (2004)  Eucrite-unbr
MetBase:  v. 7.1  (2006)  Eucrite
Recommended:  Eucrite-unbr    [explanation]

This is 1 of 136 approved meteorites classified as Eucrite-unbr.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Field number: 14069
Writeuphelp
Writeup from AMN 26(2):
Sample No.: MAC 02522
Location: MacAlpine Hills
Field No.: 14069
Dimensions (cm):   2.5x1.5x1.25
Weight (g): 5.695
Meteorite Type: Eucrite (Unbrecciated)
    MAC02522

Macroscopic Description: Kathleen McBride
40% of the exterior is covered with a brown/black, slightly shiny, rough fusion crust. The exposed interior is dark gray. The interior reveals a moderately hard tan/gray matrix with dark gray clasts.

Thin Section (,3) Description: Tim McCoy, Linda Welzenbach
The section consists of a coarse-grained (0.5-1 mm) basalt composed of pyroxene and plagioclase, with minor SiO2 and oxides. The meteorite has been extensively shocked, producing mosaicism in the pyroxene and undulatory extinction in the plagioclase. Mineral compositions are intermediate pyroxene ranging from Fs51Wo12 to Fs38Wo30 (Fe/Mn ~30) and plagioclase of An87-90. The meteorite is an unbrecciated eucrite.


Skip TS Images mac02522
MAC 02522 - Plane-Polarized Light MAC 02522 - Cross-Polarized Light MAC 02522 - Plane-Polarized Light MAC 02522 - Cross-Polarized Light
Plane-Polarized Light Cross-Polarized Light Plane-Polarized Light Cross-Polarized Light
Data from:
  MB88
  Table A1
  Line 46:
Mass (g):5.695
Class:Eu-ub
Weathering grade:B
Ferrosilite (mol%):38-51
Catalogs:
Search for this meteorite in the NASA/JSC database (U.S.):   
References: Published in Antarctic Meteorite Newsletter 26(2) (2003), 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° 17' 10"S, 160° 3' 40"E)
Note: the MetBase and recommended coordinates are 9.2 km apart

Statistics:
     This is 1 of 44400 approved meteorites from Antarctica (plus 3802 unapproved names)
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