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Elephant Moraine 83234
Basic information Name: Elephant Moraine 83234
     This is an OFFICIAL meteorite name.
Abbreviation: EET 83234
Observed fall: No
Year found: 1983
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 180.6 g
Antarctic Meteorite Newsletter:  AMN 8(1)  (1985)  Eucrite-pmict
Meteoritical Bulletin:  MB 76  (1994)  Eucrite-pmict
NHM Catalogue:  5th Edition  (2000)  Eucrite-pmict
MetBase:  v. 7.1  (2006)  Eucrite-pmict
Recommended:  Eucrite-pmict    [explanation]

This is 1 of 391 approved meteorites classified as Eucrite-pmict.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Writeup from AMN 8(1):

Sample No.: EET83234

Location: Elephant Moraine

Weight (g): 180.6

Field No.: 1322

Dimensions (cm): 7.5 x 7.5 x 3

Meteorite Type: Polymict Eucrite


Macroscopic Description: Roberta Score

EET83234 is a fragment that is similar to other 1983 Elephant Moraine eucrites. This stone contains a corner of a brown crystalline clast similar to that in EET83229 and may, in fact, actually be a piece of EET83229.


Thin Section (,3) Description: Jeremy Delaney

Typical polymict eucrite sample with a variety of small mafic clasts including extremely fine-grained and glassy clasts. Most pyroxene clasts are pigeonitic with no orthopyroxene noted. An unusual feature of this specimen is the presence of pyroxene clasts with blebby rather than lamellar exsolution. These clasts (En58-62,Wo6) may be similar to pyroxene in Binda and are rare in Elephant Moraine polymict eucrites.

Data from:
  Table 2
  Line 1498:
Origin or pseudonym:Main icefield
Mass (g):180.6
Class:Eu "pm"
Weathering grade:B
Ferrosilite (mol%):29-59
Comments:79004 pairing group
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References: Published in Antarctic Meteorite Newsletter 8(1) (1985), JSC, Houston
Published in Meteoritical Bulletin, no. 76, Meteoritics 29, 100-143 (1994)
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     Catalogue of Meteorites:   (76° 11'S, 157° 10'E)
     Recommended::   (76° 17' 0"S, 157° 14' 27"E)
Note: the NHM and MetBase coordinates are 11.3 km apart

     This is 1 of 43700 approved meteorites from Antarctica (plus 3802 unapproved names)
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