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Lewis Cliff 97202
Basic information Name: Lewis Cliff 97202
     This is an OFFICIAL meteorite name.
Abbreviation: LEW 97202
Observed fall: No
Year found: 1997
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 117.6 g
NHM Catalogue:  5th Edition  (2000)  L3.4
Antarctic Meteorite Newsletter:  AMN 23(2)  (2000)  L3
Meteoritical Bulletin:  MB 85  (2001)  L3.4
MetBase:  v. 7.1  (2006)  L3.4
Recommended:  L3.4    [explanation]

This is 1 of 51 approved meteorites classified as L3.4.   [show all]
Search for other: L chondrites, L chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)
Comments: Field number: 9202
Writeup from AMN 23(2):
Sample No.: LEW 97202
Location: Lewis Cliff
Dimensions (cm):   7.0x3.0x2.5
Weight (g): 117.596
Meteorite Type: L3 Chondrite (estimated 3.4)

Macroscopic Description: Kathleen McBride
75% of the exterior of this meteorite has brown/black fusion crust with polygonal fractures and oxidation. The interior is rusty with a few light colored, mm sized chondrules. The meteorite is hard and contains numerous metal grains.

Thin Section (, 2) Description: Tim McCoy
LEW 97202 - Cross-Polarized Light The section exhibits numerous well-defined chondrules (up to 2 mm) in a black matrix of fine-grained silicates, metal and troilite. Polysynthetically twinned pyroxene is extremely abundant. Silicates are unequilibrated; olivines range from Fa1-33 and pyroxenes from Fs3-10. The meteorite is an L3 chondrite (estimated subtype 3.4).

Data from:
  Table A1
  Line 114:
Origin or pseudonym:South Walcott Icefield
Mass (g):117.6
Weathering grade:C
Fayalite (mol%):1-33
Ferrosilite (mol%):3-10
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References: Published in Antarctic Meteorite Newsletter 23(2) (2000), JSC, Houston
Published in Meteoritical Bulletin, no. 85, MAPS 36, A293-A322 (2001)
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Photographs from AMN:
Photograph from unknown source A photo is in the write-up above
Photos from the Encyclopedia of Meteorites:
Dr Carlton Allen, JSC-KT, NASA   

     Catalogue of Meteorites:   (84° 17'S, 161° 5'E)
     Recommended::   (84° 25' 48"S, 161° 44' 6"E)
Note: the NHM and MetBase coordinates are 5 km apart
Note: the NHM and recommended coordinates are 17.9 km apart
Note: the MetBase and recommended coordinates are 18.4 km apart

     This is 1 of 43856 approved meteorites from Antarctica (plus 3802 unapproved names)
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