Meteoritical Bulletin: Entry for Elephant Moraine 96188

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Elephant Moraine 96188

Basic information

Name: Elephant Moraine 96188
This is an OFFICIAL meteorite name.
Abbreviation: EET 96188
Observed fall: No
Year found: 1996
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass: 16.4 g

Classification
history:

Antarctic Meteorite Newsletter:	AMN 21(2)	(1998)	LL3.2
Meteoritical Bulletin:	MB 83	(1999)	L(LL)3.2
NHM Catalogue:	5th Edition	(2000)	L/LL3.2
MetBase:	v. 7.1	(2006)	L/LL3.2
Antarctic Meteorite Newsletter:	AMN 33(1)	(2010)	L/LL3.2
Recommended:			L/LL3.2 [explanation]

This is 1 of 2 approved meteorites classified as L/LL3.2. [show all]
Search for other: L chondrites, L/LL chondrites, L/LL chondrites (type 3), LL chondrites, Ordinary chondrites, and Ordinary chondrites (type 3)

Writeup

Writeup from AMN 21(2):

Sample No .:	EET96188
Location:	Elephant Moraine
Dimensions (cm):	3.0x3.0x2.0
Weight (g):	16.38
Meteorite Type:	L or LL3 Chondrite (estimated L3.2)

Macroscopic Description: Kathleen McBride
Thin black patches of fusion crust and oxidation haloes are visible on the exterior of this ordinary chondrite. The interior has a dark matrix full of chondrules, metal grains and some rust. The chondrules are dark gray, white tan, yellow and some are rusty.

Thin Section (,2) Description: Tim McCoy
The section exhibits numerous large, well-defined chondrules (up to 2 mm) in a black matrix of fine-grained silicates, metal and troilite. Weak shock effects are present. Glass is present within chondrules, but rare. Polysynthetically twinned pyroxene is extremely abundant. Silicates are quite unequilibrated; olivines range from Fa_2-62 and pyroxenes from Fs_7-22. The meteorite is an L or LL3 chondrite of subtype ~3.2. It may be paired with EET96109.

Data from:
  MB83
  Table A1
  Line 117:

Origin or pseudonym:	Meteorite City
Mass (g):	16.4
Class:	L(LL)3.2
Weathering grade:	A/B
Fayalite (mol%):	2-62
Ferrosilite (mol%):	7-22
Comments:	96109 pairing group

Catalogs:

Search for specimens in the Smithsonian Institution collection (U.S.):	Require SI photo
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References:

Published in Antarctic Meteorite Newsletter 21(2) (1998), JSC, Houston
Published in Meteoritical Bulletin, no. 83, MAPS 34, A169-A186 (1999)

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Photos:

Credit	Photos
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:
Catalogue of Meteorites:	(76° 11'S, 157° 10'E)
Recommended::	(76° 11'S, 157° 10'E)

Statistics:
This is 1 of 44543 approved meteorites from Antarctica (plus 3802 unapproved names)

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