Meteoritical Bulletin: Entry for Lewis Cliff 88010

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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: 7.1 g

Classification
history:

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 138 approved meteorites classified as Eucrite-unbr. [show all]
Search for other: Achondrites, Eucrites, and HED achondrites

Comments:

Field number: 6019

Writeup

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:
  MB76
  Table 2
  Line 3867:

Origin or pseudonym:	Lower Ice Tongue
Mass (g):	7.1
Class:	Eu "ub"
Weathering grade:	A
Ferrosilite (mol%):	33-55

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' 9"S, 161° 28' 27"E)

Note: the NHM and MetBase coordinates are 6.9 km apart

Statistics:
This is 1 of 44547 approved meteorites from Antarctica (plus 3802 unapproved names)

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Revision
history:

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