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Grove Mountains 051558
Basic information Name: Grove Mountains 051558
     This is an OFFICIAL meteorite name.
Abbreviation: GRV 051558
Observed fall: No
Year found: 2006
Country: Antarctica [Collected by Chinese Antarctic Research Expedition (CARE)]
Mass:help 3.09 g
Classification
  history:
Recommended:  L3    [explanation]

This is 1 of 748 approved meteorites (plus 1 unapproved name) 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
Writeuphelp
Writeup from MB 110:

Grove Mountains 051558 (GRV 051558)        72°56’8"S, 75°19’10"E

Antarctica

Find: 11 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 3.09 g, the edges and corners are obvious, and it is reddish brown in color.

Petrography: The section shows a close-packed aggregate of chondrules, ranging up to 3 mm in maximum dimension; a variety of types is present, mainly including porphyritic, barred olivine, and cryptocrystalline. The small amount of matrix is fine-grained and opaque, and contains a few grains of nickel-iron and troilite. Olivine and pyroxene have variable composition. The shock veins are vclearly visible. The texture and variable mineral compositions are those of type 3, and the amount of metal suggests L group, hence the meteorite is tentatively classified L3.

Geochemistry: Olivine Fa24.67±2.12, range Fa19.83-30.34. Pyroxene Fs20.24±6.36, range Fs8.28-34.07.

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:11 Jan 2006
Latitude:72°56'8"S
Longitude:75°19'10"E
Mass (g):3.09
Pieces:1
Class:L3
Shock stage:S2
Weathering grade:W1
Fayalite (mol%):24.67±2.12 (n=15)
Ferrosilite (mol%):20.24±6.36 (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):3.09
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:
Search for this meteorite in the Chinese meteorite database (CHINARE):   
References: Published in Meteoritical Bulletin, no. 110, in preparation (2021)
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Geography:

Antarctica
Coordinates:
     Recommended::   (72° 56' 8"S, 75° 19' 10"E)

Statistics:
     This is 1 of 41899 approved meteorites from Antarctica (plus 3802 unapproved names)
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