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Lewis Cliff 88008
Basic information Name: Lewis Cliff 88008
     This is an OFFICIAL meteorite name.
Abbreviation: LEW 88008
Observed fall: No
Year found: 1988
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 17.9 g
Classification
  history:
Antarctic Meteorite Newsletter:  AMN 13(2)  (1990)  Diogenite
Meteoritical Bulletin:  MB 76  (1994)  Diogenite
NHM Catalogue:  5th Edition  (2000)  Diogenite
MetBase:  v. 7.1  (2006)  Diogenite
Recommended:  Diogenite    [explanation]

This is 1 of 481 approved meteorites classified as Diogenite.   [show all]
Search for other: Achondrites, Diogenites, and HED achondrites
Comments: Field number: 5336
Writeuphelp
Writeup from AMN 13(2):

Sample No. LEW 88008

Location: Lewis Cliff

Dimensions (cm): 2.8x2.5x2

Field Number: 5336

Weight (g): 17.9

Meteorite Type: Diogenite

 

Macroscopic Description: Robbie Marlow

This meteorite fragment has a greenish-yellow color whose exterior surface is partially covered with patchy dull black fusion crust. Clasts ranging from 1 to 4 mm were revealed when this achondrite was broken.

 

Thin Section (,4) Description: Brian Mason

The section shows a cataclastic texture, with pyroxene clasts up to 4 mm across in a matrix consisting of comminuted pyroxene with a little plagioclase and chromite. Microprobe analyses show pyroxene of uniform composition, Wo4Fs30; plagioclase composition is An96. The meteorite is a diogenite.

Data from:
  MB76
  Table 2
  Line 3865:
Origin or pseudonym:Lower Ice Tongue
Mass (g):17.9
Class:Diog
Weathering grade:A/B
Ferrosilite (mol%):30
Comments:NTL=6.4±0.4
Catalogs:
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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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Geography:

Antarctica
Coordinates:
     Catalogue of Meteorites:   (84° 17'S, 161° 5'E)
     Recommended::   (84° 14' 19"S, 161° 29' 11"E)
Note: the NHM and MetBase coordinates are 6.7 km apart

Statistics:
     This is 1 of 41899 approved meteorites from Antarctica (plus 3802 unapproved names)
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