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Lewis Cliff 87119
Basic information Name: Lewis Cliff 87119
     This is an OFFICIAL meteorite name.
Abbreviation: LEW 87119
Observed fall: No
Year found: 1987
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 12 g
Antarctic Meteorite Newsletter:  AMN 12(1)  (1989)  E6
AMN 17(1)  (1994)  EL6 (7?)
Meteoritical Bulletin:  MB 76  (1994)  EL6 (7?)
NHM Catalogue:  5th Edition  (2000)  EL6
MetBase:  v. 7.1  (2006)  EL6
Antarctic Meteorite Newsletter:  AMN 31(1)  (2008)  EL6
Recommended:  EL6    [explanation]

This is 1 of 133 approved meteorites classified as EL6.   [show all]
Search for other: EL chondrites, Enstatite chondrites, Enstatite chondrites (type 4-7), and Enstatite-rich meteorites
Comments: Field number: 4215
Writeup from AMN 12(1):

Sample No.: LEW 87119

Location: Lewis Cliff

Weight(g): 12.0

Field No.: 4215

Dimensions (cm): 2x2x2

Meteorite Type: E6 chondrite


Macroscopic Description: Carol Schwarz

This specimen is very weathered and fractured with only about 50% fusion crust remaining. The interior is dark brown.


Thin Section (,2) Description; Brian Mason

Chondrules are rare and barely discernable in the granular matrix, which consists largely of enstatite (prismatic grains up to 0.2 mm long), with minor amounts of nickel-iron and sulfides, and a little plagioclase. Weathering is extensive, with brown limonitic staining throughout the section. Microprobe analyses show the enstatite is almost pure MgSiO3 (FeO 0.1-0.6%, Al2O3 0.1%, CaO 0.6%); plagioclase composition is An12; the nickel- iron contains 1.6% Si. The meteorite is an E6 chondrite.

Data from:
  Table 2
  Line 3692:
Origin or pseudonym:Lower Ice Tongue
Mass (g):12
Class:EL6 (7?)
Weathering grade:C
Ferrosilite (mol%):0.5
Plots: O isotopes:  
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References: Published in Antarctic Meteorite Newsletter 12(1) (1989), JSC, Houston
Published in Meteoritical Bulletin, no. 76, Meteoritics 29, 100-143 (1994)
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     Catalogue of Meteorites:   (84° 17'S, 161° 5'E)
     Recommended::   (84° 15' 13"S, 161° 24' 21"E)
Note: the NHM and MetBase coordinates are 4.9 km apart

     This is 1 of 44547 approved meteorites from Antarctica (plus 3805 unapproved names)
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