Meteoritical Bulletin: Entry for Lewis Cliff 88009

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Lewis Cliff 88009

Basic information

Name: Lewis Cliff 88009
This is an OFFICIAL meteorite name.
Abbreviation: LEW 88009
Observed fall: No
Year found: 1988
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass: 11.7 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
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: 6182

Writeup

Writeup from AMN 13(2):

Sample No. LEW88009

Location: Lewis Cliff

Dimensions (cm): 2.5x2.5x1.5

Field Number: 6182

Weight (g): 11.7

Meteorite Type: Unbrecciated Eucrite

Macroscopic Description: Robbie Marlow

Three-quarters of the exterior of this angular stone has fusion crust. The interior is light gray and has a massive texture. Oxidation is very light.

Thin Section (,2) Description: Brian Mason

This meteorite is a fine-grained aggregate of pyroxene and plagioclase (average grain size 0.1 mm). Microprobe analyses show pyroxene composition ranging from Wo2Fs58 to Wo42Fs25; plagioclase composition ranges from An82 to An94. The meteorite is an unbrecciated eucrite.

Data from:
  MB76
  Table 2
  Line 3866:

Origin or pseudonym:	Upper Ice Tongue
Mass (g):	11.7
Class:	Eu "ub"
Weathering grade:	A
Ferrosilite (mol%):	25-58

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° 16' 26"S, 161° 22' 32"E)

Note: the NHM and MetBase coordinates are 3.4 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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