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Elephant Moraine 83267
Basic information Name: Elephant Moraine 83267
     This is an OFFICIAL meteorite name.
Abbreviation: EET 83267
Observed fall: No
Year found: 1983
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 27.7 g
Classification
  history:
Antarctic Meteorite Newsletter:  AMN 9(2)  (1986)  H3
Meteoritical Bulletin:  MB 76  (1994)  H3.6
NHM Catalogue:  5th Edition  (2000)  H3.6
MetBase:  v. 7.1  (2006)  H3.6
Recommended:  H3.6    [explanation]

This is 1 of 43 approved meteorites classified as H3.6.   [show all]
Search for other: H chondrites, H chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)
Writeuphelp
Writeup from AMN 9(2):

Sample No.: EET83267

Location: Elephant Moraine

Weight (g): 27.7

Field No.: 2736

Dimensions (cm): 3 x 3 x 2

Meteorite Type: H3 Chondrite

 

Macroscopic Description: René Martinez

Pitted and weathered fusion crust covers most of this sample. The interior is light gray with abundant chondrules visible.

 

Thin Section (,3) Description: Brian Mason

The meteorite is a close-packed aggregate of chondrules, chondrule fragments, and mineral grains, the latter including a moderate amount of nickel-iron and a smaller amount of troilite. Chondrules range from 0.3 to 1.8 mm in diameter and exhibit a variety of types. Fusion crust is present along one edge. The meteorite appears to be relatively unweathered. Microprobe analyses give the following compositions: olivine, Fa13-23, mean Fa18 (CV Fe013); pyroxene, Fs12-20, mean 18. The variability in olivine and pyroxene compositions indicates type 3, and the amount of metal H group; the meteorite is therefore classified as an H3 chondrite.

Data from:
  MB76
  Table 2
  Line 1530:
Origin or pseudonym:Main icefield
Mass (g):27.7
Class:H3.6
Weathering grade:B
Fayalite (mol%):13-23
Ferrosilite (mol%):12-20
Catalogs:
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References: Published in Antarctic Meteorite Newsletter 9(2) (1986), 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° 18' 30"S, 157° 18' 39"E)
Note: the NHM and MetBase coordinates are 14.5 km apart

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