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Grosvenor Mountains 95596
Basic information Name: Grosvenor Mountains 95596
     This is an OFFICIAL meteorite name.
Abbreviation: GRO 95596
Observed fall: No
Year found: 1995
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 12.7 g
Classification
  history:
Antarctic Meteorite Newsletter:  AMN 21(1)  (1998)  LL3.8
Meteoritical Bulletin:  MB 82  (1998)  LL3.8
NHM Catalogue:  5th Edition  (2000)  LL3.8
MetBase:  v. 7.1  (2006)  LL3.8
Recommended:  LL3.8    [explanation]

This is 1 of 33 approved meteorites classified as LL3.8.   [show all]
Search for other: LL chondrites, LL chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)
Writeuphelp
Writeup from AMN 21(1):

Sample No.:

GRO95596

Location:

Grosvenor Mountains

Dimensions (cm):

2.5x2.0x1.5

Weight (g):

12.69

Meteorite Type:

LL3 Chondrite (estimated LL3.8)


Macroscopic Description: Kathleen McBride
This ordinary chondrite has shiny brown/black fusion crust, with a rough texture. The interior has a white matrix with an oxidation rind. Metal grains and dark gray crystalline clasts are visible. Chondrules are dark gray in color.

Thin Section (,2) Description: Brian Mason
GRO95596 - Cross-Polarized LightThe section shows a closed-packed aggregate of chondrules and chondrule fragments (up to 2.4 mm across) in a dark matrix containing a small amount of nickel-iron and troilite. Weathering is minor, with some brown limonitic staining throughout the section. Microprobe analyses show olivine and pyroxene of variable composition; olivine, Fa9-29, mean Fa24; pyroxene, Fs3-20. The meteorite is classified as an LL3 chondrite (estimated LL3.8).

Data from:
  MB82
  Table A1
  Line 230:
Origin or pseudonym:Inner Cecily
Mass (g):12.7
Class:LL3.8
Weathering grade:A/B
Fayalite (mol%):9-29
Ferrosilite (mol%):3-20
Catalogs:
Search for specimens in the Smithsonian Institution collection (U.S.):   
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Search for this meteorite in the NASA/JSC database (U.S.):   
References: Published in Antarctic Meteorite Newsletter 21(1) (1998), JSC, Houston
Published in Meteoritical Bulletin, no. 82, MAPS 33, A221-A240 (1998)
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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:
courtesy Dr Carlton Allen, JSC-KT, NASA   
Geography:

Antarctica
Coordinates:
     Catalogue of Meteorites:   (85° 40'S, 175° 0'E)
     Recommended::   (85° 40'S, 175° 0'E)

Statistics:
     This is 1 of 38937 approved meteorites from Antarctica (plus 5051 unapproved names)
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