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Mount Crean 01400
Basic information Name: Mount Crean 01400
     This is an OFFICIAL meteorite name.
Abbreviation: CRE 01400
Observed fall: No
Year found: 2001
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 141.3 g
Classification
  history:
Antarctic Meteorite Newsletter:  AMN 26(1)  (2003)  Howardite
Meteoritical Bulletin:  MB 87  (2003)  Howardite
MetBase:  v. 7.1  (2006)  Howardite
Recommended:  Howardite    [explanation]

This is 1 of 372 approved meteorites classified as Howardite.   [show all]
Search for other: Achondrites, HED achondrites, and Howardites
Writeuphelp
Writeup from AMN 26(1):
Sample No.: CRE 01400
Location: Mt. Crean
Field No.: 13927
Dimensions (cm):   6.0x5.0x3.0
Weight (g): 141.295
Meteorite Type: Howardite
    CRE01400

Macroscopic Description: Kathleen McBride
Black, shiny fusion crust covers 95% of the exterior of this meteorite. One side has an iridescent sheen. The interior is composed of soft, tan colored matrix with numerous small clasts in a variety of colors, textures and shapes, including rounded white clasts, black clasts, shiny black and green crystalline inclusions.

Thin Section (, 2) Description: Tim McCoy

CRE 01400 - Plane-Polarized Light CRE 01400 - Cross-Polarized Light
Plane-Polarized Light Cross-Polarized Light
The section shows a groundmass of comminuted pyroxene and plagioclase (up to 0.5 mm) with clasts of basalt and orthopyroxenite ranging up to 5 mm. Large orthopyroxene grains are Fs21Wo2. Orthopyroxene (Fs52Wo5) and augite (Fs25Wo40) occur together in exsolved grains. Pyroxene has an Fe/Mn ratio of ~30. Plagioclase is An85-90Or0.5. The meteorite is a howardite.
Data from:
  MB87
  Table A1
  Line 11:
Mass (g):141.3
Class:How
Weathering grade:B
Ferrosilite (mol%):21-53
Catalogs:
Search for this meteorite in the NASA/JSC database (U.S.):   
References: Published in Antarctic Meteorite Newsletter 26(1) (2003), JSC, Houston
Published in Meteoritical Bulletin, no. 87, MAPS 38, A189-A248 (2003)
Find references in NASA ADS:
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Photos:
CreditPhotos
Photographs from AMN:
Photograph from unknown source A photo is in the write-up above
Photos from the Encyclopedia of Meteorites:
Dr Carlton Allen, JSC-KT, NASA         
Geography:

Antarctica
Coordinates:Unknown.

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

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