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Elephant Moraine 83395
Basic information Name: Elephant Moraine 83395
     This is an OFFICIAL meteorite name.
Abbreviation: EET 83395
Observed fall: No
Year found: 1983
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 65.3 g
Classification
  history:
Antarctic Meteorite Newsletter:  AMN 10(2)  (1987)  L3
Meteoritical Bulletin:  MB 76  (1994)  L3.2/3.6
NHM Catalogue:  5th Edition  (2000)  L3.2/3.6
MetBase:  v. 7.1  (2006)  L3.2-3.6
Antarctic Meteorite Newsletter:  AMN 33(1)  (2010)  L3.2-3.6
Recommended:  L3.2-3.6    [explanation]

This is the only approved meteorite classified as L3.2-3.6.
Search for other: L chondrites, L chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)
Writeuphelp
Writeup from AMN 10(2):

Sample No.: EET83395

Location: Elephant Moraine

Weight (g): 65.3

Field No.: 2893

Dimensions (cm): 4 x 3.5 x 2

Meteorite Type: L3 Chondrite

 

Macroscopic Description: Roberta Score

Fusion crust completely covers this angular stone. The interior matrix is black and contains numerous weathered inclusions. Some metal is obvious.

 

Thin Section (,2) Description: Brian Mason

The section shows a closely packed mass of chondrules, chondrule fragments, and irregular granular aggregates in a small amount of interstitial dark matrix. The matrix contains a considerable amount of dispersed sulfide and a few grains of nickel-iron. Chondrules range from 0.3 to 2 mm across, and exhibit a variety of types. Microprobe analyses gave the following compositions: olivine, Fa6-30, mean Fa17 (CV FeO = 32); pyroxene, Fs2-17 . The variability of olivine and pyroxene compositions indicates type 3, and the amount of metal suggests L group; the meteorite is therefore tentatively classified as an L3 chondrite. It is very similar to EET83274 in all respects, and the possibility of pairing should be considered.

Data from:
  MB76
  Table 2
  Line 1653:
Origin or pseudonym:Main icefield
Mass (g):65.3
Class:L3.2/3.6
Weathering grade:B
Fayalite (mol%):6-30
Ferrosilite (mol%):2-17
Comments:83274 pairing group
Catalogs:
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References: Published in Antarctic Meteorite Newsletter 10(2) (1987), JSC, Houston
Published in Meteoritical Bulletin, no. 76, Meteoritics 29, 100-143 (1994)
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Geography:

Antarctica
Coordinates:
     Catalogue of Meteorites:   (76° 11'S, 157° 10'E)
     Recommended::   (76° 17' 47"S, 157° 13' 43"E)
Note: the NHM and MetBase coordinates are 12.7 km apart

Statistics:
     This is 1 of 41908 approved meteorites from Antarctica (plus 3802 unapproved names)
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