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Elephant Moraine 92093
Basic information Name: Elephant Moraine 92093
     This is an OFFICIAL meteorite name.
Abbreviation: EET 92093
Observed fall: No
Year found: 1992
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 0.4 g
Antarctic Meteorite Newsletter:  AMN 17(1)  (1994)  E6
AMN 19(1)  (1996)  EL6
Meteoritical Bulletin:  MB 79  (1996)  EL6
NHM Catalogue:  5th Edition  (2000)  EL6
MetBase:  v. 7.1  (2006)  EL6
Recommended:  EL6    [explanation]

This is 1 of 130 approved meteorites classified as EL6.   [show all]
Search for other: EL chondrites, Enstatite chondrites, Enstatite chondrites (type 4-7), and Enstatite-rich meteorites
Writeup from AMN 19(1):

Sample No.: EET92093

Location: Elephant Moraine

Dimensions (cm): 0.8 x 0.7 x 0.3

Weight (g): 0.4

Meteorite Type: E6 chondrite


Macroscopic Description: Cecilia Satterwhite

Exterior of this small sample is dull brown and retains one small patch of black fusion crust. Chipping this meteorite revealed a dark brown interior with visible metal. EET92093 is friable and crumbles easily.


Thin Section (,2) Description: Brian Mason

The section is very small (3 mm square) and is heavily stained with brown limonite. Only vague traces of chondritic structure are visible; the meteorite consists largely of granular enstatite with -20% nickel-iron and minor amounts of sulfides. The enstatite is almost pure MgSiO3 (CaO 0.1-0.2%; FsO 0.2-0.5%). Six metal grains were analyzed; three contained 2.8% Si, three 0.3% Si. Minor amounts of SiO2 polymorph are present, probably tridymite. The meteorite is classified as an E6 meteorite.


Data from:
  Table 2
  Line 293:
Origin or pseudonym:Northern Ice Patch
Mass (g):0.4
Weathering grade:C
Ferrosilite (mol%):0.2-0.4
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References: Published in Antarctic Meteorite Newsletter 19(1) (1996), JSC, Houston
Published in Meteoritical Bulletin, no. 79, MAPS 31, A161-A174 (1996)
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     Catalogue of Meteorites:   (76° 11'S, 157° 10'E)
     Recommended::   (76° 1' 6"S, 155° 52' 39"E)
Note: the NHM and MetBase coordinates are 39.2 km apart

     This is 1 of 43856 approved meteorites from Antarctica (plus 3802 unapproved names)
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