Meteoritical Bulletin: Entry for Lewis Cliff 88008

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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: 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 522 approved meteorites classified as Diogenite. [show all]
Search for other: Achondrites, Diogenites, and HED achondrites

Comments:

Field number: 5336

Writeup

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:

Search for specimens in the Smithsonian Institution collection (U.S.):	Require SI photo
Search for this meteorite in the NASA/JSC database (U.S.):

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 44543 approved meteorites from Antarctica (plus 3802 unapproved names)

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