Meteoritical Bulletin: Entry for Meteorite Hills 01081

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Meteorite Hills 01081

Basic information

Name: Meteorite Hills 01081
This is an OFFICIAL meteorite name.
Abbreviation: MET 01081
Observed fall: No
Year found: 2001
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass: 27.4 g

Classification
history:

Antarctic Meteorite Newsletter:	AMN 26(1)	(2003)	Eucrite-unbr
Meteoritical Bulletin:	MB 87	(2003)	Eucrite-unbr
MetBase:	v. 7.1	(2006)	Eucrite
Recommended:			Eucrite-unbr [explanation]

This is 1 of 136 approved meteorites classified as Eucrite-unbr. [show all]
Search for other: Achondrites, Eucrites, and HED achondrites

Writeup

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Writeup from AMN 26(1):

Sample No.:	MET 01081; MET 01086
Location:	Meteorite Hills
Field No.:	13031; 13859
Dimensions (cm):	3.5x3.5x1.5 2.0x1.5x1.0
Weight (g):	27.404; 2.727
Meteorite Type:	Eucrite (Unbrecciated)

MET01081

MET01086

Macroscopic Description: Kathleen McBride
90% of the exteriors are covered with a shiny, black fusion crust with a rough texture or regmaglypt. The interior matrices are crystalline in texture and tan to gray in color. Both contain small (<1 mm) white inclusions and black grains.

Thin Section (, 2) Description: Tim McCoy
These meteorites are so similar that a single description suffices. The meteorites are unbrecciated, medium-grained basalts composed of pyroxene (exsolved on a scale of 1-5µm), and plagioclase with minor metal and sulfide. The meteorite is extensively shocked, with mosaicism in both pyroxene and plagioclase. Mineral compositions are homogeneous with orthopyroxene (Fs₅₅Wo₄), with lamellae of augite (Fs₂₈Wo₃₆), and plagioclase (An₈₈Or_0.5). The Fe/Mn ratio of the pyroxene is ~30. The meteorites are unbrecciated eucrites.


MET 01081 Plane-Polarized Light	MET 01081 Cross-Polarized Light	MET 01081 Plane-Polarized Light	MET 01081 Cross-Polarized Light


MET 01086 Plane-Polarized Light	MET 01086 Cross-Polarized Light

Data from:
  MB87
  Table A1
  Line 158:

Mass (g):	27.4
Class:	Euc-Ubr
Weathering grade:	A/B
Ferrosilite (mol%):	26-56

Catalogs:

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References:

Published in Antarctic Meteorite Newsletter 26(1) (2003), JSC, Houston
Published in Meteoritical Bulletin, no. 87, MAPS 38, A189-A248 (2003)

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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 44543 approved meteorites from Antarctica (plus 3802 unapproved names)

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