Meteoritical Bulletin: Entry for Meteorite Hills 00489

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Meteorite Hills 00489

Basic information

Name: Meteorite Hills 00489
This is an OFFICIAL meteorite name.
Abbreviation: MET 00489
Observed fall: No
Year found: 2000
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass: 232 g

Classification
history:

Antarctic Meteorite Newsletter:	AMN 26(1)	(2003)	L3.6
MetBase:	v. 7.1	(2006)	L3.6
Meteoritical Bulletin:	MB 93	(2008)	L3.6
Recommended:			L3.6 [explanation]

This is 1 of 57 approved meteorites classified as L3.6. [show all]
Search for other: L chondrites, L chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)

Writeup

help

Writeup from AMN 26(1):

Sample No.:	MET 00489; MET 00621
Location:	Meteorite Hills
Field No.:	12881; 13189
Dimensions (cm):	7.0x6.5x2.5 6.0x3.0x1.75
Weight (g):	232.000; 88.835
Meteorite Type:	L3 Chondrite (Estimated 3.6)

MET00489

MET00621

Macroscopic Description: Kathleen McBride
The exterior of these two carbonaceous chondrites has black /brown fusion crust. 489 has polygonal fractures and 621 has a rough, pitted crust. The interiors range from medium gray to black matrix. Both have numerous chondrules.

Thin Section (, 2) Description: Tim McCoy
These two meteorites, found within 1 km of each other, are so similar that a single description suffices. The sections exhibit numerous large, well-defined chondrules (up to 3 mm) in a matrix of fine-grained silicates, metal and troilite. Weak shock effects are present. Polysynthetically twinned pyroxene is extremely abundant. Olivines range from Fa_10-31; pyroxenes from Fs_3-22. The meteorites are L3 chondrites (estimated subtype 3.6).


MET 00489 Plane-Polarized Light	MET 00489 Cross-Polarized Light	MET 00621 Plane-Polarized Light	MET 00621 Cross-Polarized Light

Data from:
  MB93
  Table 4
  Line 9:

Mass (g):	232
Class:	L3.6
Weathering grade:	A/B
Fayalite (mol%):	14 - 31
Ferrosilite (mol%):	4 - 22

Catalogs:

Search for this meteorite in the NASA/JSC database (U.S.):

References:

Published in Antarctic Meteorite Newsletter 26(1) (2003), JSC, Houston
Published in Meteoritical Bulletin, no. 93, MAPS 43, 571-632 (2008)

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Photos:

Credit	Photos
Photographs from AMN:
Photograph from unknown source	A photo is in the write-up above

Geography:

Antarctica

Antarctica

Coordinates:
Recommended::	(79° 41'S, 155° 45'E)

Statistics:
This is 1 of 40719 approved meteorites from Antarctica (plus 4494 unapproved names)

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