Meteoritical Bulletin: Entry for Miller Range 05029

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Miller Range 05029

Basic information

Name: Miller Range 05029
This is an OFFICIAL meteorite name.
Abbreviation: MIL 05029
Observed fall: No
Year found: 2005
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass: 132.7 g

Classification
history:

Antarctic Meteorite Newsletter:	AMN 29(2)	(2006)	L-imp melt
Meteoritical Bulletin:	MB 92	(2007)	L-imp melt
Recommended:			L-melt rock [explanation]

This is 1 of 52 approved meteorites classified as L-melt rock. [show all]
Search for other: L chondrites, L chondrites (type 4-7), Melted chondrites, Ordinary chondrites, and Ordinary chondrites (type 4-7)

Comments:

Field number: 18098
Approved 1 Sep 2006

Writeup

help

Writeup from AMN 29(2):

Sample No.:	MIL 05029; MIL 05136
Location:	Miller Range
Field No.:	18098; 18174
Dimensions (cm):	5.5x4.4x4.0; 2.5x2.0x1.0
Weight (g):	132.68; 8.308
Meteorite Type:	L Chondrite (Impact Melt)

Macroscopic Description: Kathleen McBride and Cecilia Satterwhite
The exterior of 05029 has tiny black patches of fusion crust, the rest is a mottled gray with green crystals visible; 05136 has no fusion crust. The interior is a yellowish gray matrix with abundant green inclusions. There are some rusty areas.

Thin Section (,2) Description: Tim McCoy
The sections are so similar that a single description suffices. The meteorites consist of large (up to 4 mm) orthopyroxene grains with interstitial feldspar with both of these phases poikilitcally enclosing 50-200 µm olivine grains. Minor metal and sulfide are present, with sulfide occasionally rimming metal. Silicates (olivine of Fa₂₅, orthopyroxene of Fs₂₁Wo₄, plagioclase of An₁₆Or₃) are compositionally within the range of L chondrites. The meteorites are likely L ordinary chondrite impact melt rocks and similar in some respects to PAT 91501 (Mittlefehldt and Lindstrom, MAPS, 36, 439).

Thin Section Images

Cross-Polarized Light MIL 05029	Reflected Light MIL 05029	Cross-Polarized Light MIL 05136	Plane-Polarized Light MIL 05136

Lab Images

MIL 05029 Image

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Data from:
  MB92
  Table 3
  Line 837:

Mass (g):	132.7
Class:	L -IM
Weathering grade:	A/BE
Fayalite (mol%):	25
Ferrosilite (mol%):	21

Catalogs:

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

References:

Published in Antarctic Meteorite Newsletter 29(2) (2006), JSC, Houston
Published in Meteoritical Bulletin, no. 92, MAPS 42, 1647-1694 (2007)

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Photos:

Credit	Photos
Photographs from AMN:
JSC	A photo is in the write-up above

Geography:

Antarctica

Antarctica

Coordinates:
Recommended::	(83° 19' 2"S, 155° 53' 6"E)

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

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