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David Glacier 92300
Basic information Name: David Glacier 92300
     This is an OFFICIAL meteorite name.
Abbreviation: DAV 92300
Observed fall: No
Year found: 1992
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 26.7 g
Antarctic Meteorite Newsletter:  AMN 16(2)  (1993)  CK4
Meteoritical Bulletin:  MB 76  (1994)  CK4
NHM Catalogue:  5th Edition  (2000)  CK4
MetBase:  v. 7.1  (2006)  CK4
Recommended:  CK4    [explanation]

This is 1 of 126 approved meteorites classified as CK4.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (equilibrated), CK chondrites, CK chondrites (type 4-6), and CV-CK clan chondrites
Writeup from AMN 16(2):

Sample No.: DAV92300

Location: David Glacier

Dimensions (cm): 4.0 x 2.7 x 2.0

Weight (g): 26.7

Meteorite Type: CK4 chondrite


Macroscopic Description: Robbie Marlow

Dull, black fusion crust covers 40% of the exterior of this carbonaceous chondrite. Numerous chondrules of assorted sizes can be seen protruding from the exterior surfaces. Cleaving DAV92300 revealed a medium-gray interior that is friable and fine-grained.


Thin Section (,3) Description: Brian Mason

The section shows an aggregate of small (0.01-0.05 mm) olivine grains and minor opaque material, with a few chondrules up to 0.9 mm across. Olivine composition is Fa32; a little pyroxene, Fs26, and plagioclase, An50, were analyzed. The opaque material is largely magnetite. The meteorite is a C4 chondrite of the Karoonda subtype.


Data from:
  Table 2
  Line 1417:
Mass (g):26.7
Weathering grade:A/B
Fayalite (mol%):32
Ferrosilite (mol%):26
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References: Published in Antarctic Meteorite Newsletter 16(2) (1993), JSC, Houston
Published in Meteoritical Bulletin, no. 76, Meteoritics 29, 100-143 (1994)
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     Catalogue of Meteorites:   (75° 19'S, 162° 0'E)
     Recommended::   (75° 19'S, 162° 0'E)

     This is 1 of 44248 approved meteorites from Antarctica (plus 3802 unapproved names)
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