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Lewis Cliff 87016
Basic information Name: Lewis Cliff 87016
     This is an OFFICIAL meteorite name.
Abbreviation: LEW 87016
Observed fall: No
Year found: 1987
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 16.8 g
Classification
  history:
Antarctic Meteorite Newsletter:  AMN 11(2)  (1988)  C2
Meteoritical Bulletin:  MB 76  (1994)  C2
NHM Catalogue:  5th Edition  (2000)  C2
MetBase:  v. 7.1  (2006)  CM2
Antarctic Meteorite Newsletter:  AMN 31(1)  (2008)  CM2
Recommended:  CM2    [explanation]

This is 1 of 540 approved meteorites classified as CM2.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 2), CM chondrites, and CM-CO clan chondrites
Comments: Field number: 0
Writeuphelp
Writeup from AMN 11(2):

Sample No.: LEW87016

Location: Lewis Cliff

Weight (g): 16.8

Field No.: 4280

Dimensions (cm): 3 x 2 x 2.5

Meteorite Type: C2 Chondrite

 

Macroscopic Description: Carol Schwarz

This specimen consists of two fragments which fit together. The exterior is very weathered with a small amount of fractured fusion crust remaining. The interior is black with many sub-mm chondrules.

 

Thin Section (,2) Description: Brian Mason

The section shows chondrules, up to 1.2 mm across, and small mineral grains in a dark brown to black matrix. Microprobe analyses show some olivine near Mg2SiO4 in composition, but ranging up to Fa28 (mean composition Fa5); a little pyroxene, near MgSiO3, is present. The meteorite is a C2 chondrite, but does not appear to belong to the LEW87001 group.

Data from:
  MB76
  Table 2
  Line 3594:
Origin or pseudonym:South Lewis Cliff
Mass (g):16.8
Class:C2
Weathering grade:B
Fayalite (mol%):0-28
Ferrosilite (mol%):0-1
Catalogs:
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References: Published in Antarctic Meteorite Newsletter 11(2) (1988), 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° 20' 39"S, 161° 22' 44"E)
Note: the NHM and recommended coordinates are 7.5 km apart

Statistics:
     This is 1 of 40129 approved meteorites from Antarctica (plus 4494 unapproved names)
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