Meteoritical Bulletin: Entry for Grove Mountains 050168

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Grove Mountains 050168

Basic information

Name: Grove Mountains 050168
This is an OFFICIAL meteorite name.
Abbreviation: GRV 050168
Observed fall: No
Year found: 2006
Country: Antarctica [Collected by Chinese Antarctic Research Expedition (CARE)]
Mass: 7.4 g

Classification
history:

Meteoritical Bulletin:	MB 110	(2022)	L3
Recommended:			L3 [explanation]

This is 1 of 848 approved meteorites (plus 2 unapproved names) classified as L3. [show all]
Search for other: L chondrites, L chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)

Comments:

Approved 20 Nov 2021

Writeup

help

Writeup from MB 110:

Grove Mountains 050168 (GRV 050168) 72°58’35.8"S, 75°15’55"E

Antarctica

Find: 6 Jan 2006

Classification: Ordinary chondrite (L3)

History: During 2005/2006 field season, 5354 meteorite samples have been selected by CHINARE in Grove Mountains, East Antarctica.

Physical characteristics: This meteorite weighs 7.39 g, has a fusion crust shell and is reddish brown in color.

Petrography: The section shows a closely packed mass of chondrules (0.1-3 mm diameter) and irregular crystalline aggregates with interstitial metal/sulfide and a relatively small amount of matrix. A considerable variety of chondrules is present, many porphyritic chondrules and barred olivine; other types include cryptocrystalline, as well as a few radial olivine chondrules. The mean composition of the olivine and the amount of nickel-iron suggest L group, so the meteorite is classified as L3.

Geochemistry: Olivine Fa_17.13±7.86, range Fa_4.76-33.16.Pyroxene Fs_15.94±6.47, range Fs_4.75-22.89.

Specimens: The main mass and one thin section are on deposited at PRIC.

Data from:
  MB110
  Table 0
  Line 0:

Origin or pseudonym:	ice field
Date:	6 Jan 2006
Latitude:	72°58'35.8"S
Longitude:	75°15'55"E
Mass (g):	7.39
Pieces:	1
Class:	L3
Shock stage:	S2
Weathering grade:	W1
Fayalite (mol%):	17.13±7.86 (n=15)
Ferrosilite (mol%):	15.94±6.47 (n=15)
Classifier:	Z. Xia, B. Miao, G. Chen, Y. Zhang, E. He, B. Si, H. Liu, X. Wang, T. Zhou, GUT
Type spec mass (g):	7.39
Type spec location:	PRIC
Main mass:	PRIC
Finder:	CHINARE
Comments:	Submitted by Bingkui Miao

Institutions
and collections

PRIC: Polar Research Institute of China, 451 Jinqiao Road, Shanghai 200129, China; Website (institutional address; updated 9 Apr 2013)
GUT: College of Earth Sciences, Guilin University of Technology, 12 Jiangan Road, Guilin 541004, China (institutional address; updated 18 Oct 2012)

Catalogs:

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References:

Published in Gattacceca J., McCubbin F.M., Grossman J., Bouvier A., Chabot N.L., D'Orazio M., Goodrich C., Greshake A., Gross J., Komatsu M., Miao B., and Schrader D. (2022) The Meteoritical Bulletin, No. 110. Meteorit. Planet. Sci. 1-4

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Geography:

Antarctica

Antarctica

Coordinates:
Recommended::	(72° 58' 36"S, 75° 15' 55"E)

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

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Revision
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