Meteoritical Bulletin: Entry for Graves Nunataks 98046

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Graves Nunataks 98046

Basic information

Name: Graves Nunataks 98046
This is an OFFICIAL meteorite name.
Abbreviation: GRA 98046
Observed fall: No
Year found: 1998
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass: 658 g

Classification
history:

NHM Catalogue:	5th Edition	(2000)	L6
Antarctic Meteorite Newsletter:	AMN 23(1)	(2000)	L6
Meteoritical Bulletin:	MB 84	(2000)	L6
MetBase:	v. 7.1	(2006)	L6
Recommended:			L6 [explanation]

This is 1 of 12780 approved meteorites (plus 11 unapproved names) classified as L6. [show all]
Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)

Writeup

Writeup from AMN 23(1):

Sample No.:	GRA 98046; 98049
Location:	Graves Nunataks
Dimensions (cm):	8.0x7.0x5.5; 13.0x10.0x8.5 (largest piece)
Weight (g):	657.600; 2341.900
Meteorite Type:	L6 Chondrite

Macroscopic Description: Kathleen McBride
These meteorites have very small patches of thinly distributed brown/black fusion crust. The interiors are rusty with some yellow and gray patches of matrix visible. Fractured.

Thin Section (, 2) Description: Tim McCoy


GRA98046	GRA98049

These meteorites are L6 chondrites (Fa₂₄, Fs₂₀) with areas of shock-melt, including rounded metal-sulfide blebs.

Data from:
  MB84
  Table A1
  Line 47:

Origin or pseudonym:	Upper West Graves
Mass (g):	657.6
Class:	L6
Weathering grade:	C
Fayalite (mol%):	24
Ferrosilite (mol%):	20

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 23(1) (2000), JSC, Houston
Published in Meteoritical Bulletin, no. 84, MAPS 35, A199-A225 (2000)

Find references in NASA ADS:
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Photos:

Credit	Photos
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

Geography:

Antarctica

Coordinates:
Catalogue of Meteorites:	(86° 43'S, 141° 30'W)
Recommended::	(86° 43'S, 141° 30'W)

Statistics:
This is 1 of 44543 approved meteorites from Antarctica (plus 3802 unapproved names)

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