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Lewis Cliff 88010
Basic information Name: Lewis Cliff 88010
     This is an OFFICIAL meteorite name.
Abbreviation: LEW 88010
Observed fall: No
Year found: 1988
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 7.1 g
Antarctic Meteorite Newsletter:  AMN 13(2)  (1990)  Eucrite-unbr
Meteoritical Bulletin:  MB 76  (1994)  Eucrite-unbr
NHM Catalogue:  5th Edition  (2000)  Eucrite-unbr
MetBase:  v. 7.1  (2006)  Eucrite-mmict
Recommended:  Eucrite-unbr    [explanation]

This is 1 of 130 approved meteorites classified as Eucrite-unbr.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Field number: 6019
Writeup from AMN 13(2):

Sample No. LEW88010

Location: Lewis Cliff

Dimensions (cm): 3x1.5x1.3

Field Number: 6019

Weight (g): 7.1

Meteorite Type: Unbrecciated Eucrite


Macroscopic Description: Robbie Marlow

Flowlines are visible in the fusion crust which covers this oblong eucrite. The interior shows an even distribution of mafic and non-mafic minerals. No individual clasts were revealed.


Thin Section (,3) Description: Brian Mason

The section shows an ophitic intergrowth of pyroxene and plagioclase, with grain size 0.6-1.2 mm. Microprobe analyses show pyroxene compositions ranging from Wo1Fs55 to Wo30Fs33, with relatively uniform En content. Plagioclase composition ranges from An76 to An86, with a mean of An82. The meteorite is an unbrecciated eucrite.


Data from:
  Table 2
  Line 3867:
Origin or pseudonym:Lower Ice Tongue
Mass (g):7.1
Class:Eu "ub"
Weathering grade:A
Ferrosilite (mol%):33-55
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References: Published in Antarctic Meteorite Newsletter 13(2) (1990), 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° 14' 9"S, 161° 28' 27"E)
Note: the NHM and MetBase coordinates are 6.9 km apart

     This is 1 of 43857 approved meteorites from Antarctica (plus 3802 unapproved names)
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