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Grove Mountains 090994
Basic information Name: Grove Mountains 090994
     This is an OFFICIAL meteorite name.
Abbreviation: GRV 090994
Observed fall: No
Year found: 2010
Country: Antarctica [Collected by Chinese Antarctic Research Expedition (CARE)]
Mass:help 369 g
Classification
  history:
Meteoritical Bulletin:  MB 102  (2013)  Mesosiderite
Recommended:  Mesosiderite    [explanation]

This is 1 of 180 approved meteorites classified as Mesosiderite.   [show all]
Search for other: Mesosiderites, Metal-rich meteorites
Comments: Approved 1 May 2013
Writeuphelp
Writeup from MB 102:

Grove Mountains 090994 (GRV 090994)        72°59’5.6"S, 75°14’55.2"E

Antarctica

Found: 2010 Feb 1

Classification: Mesosiderite

History: One of 1618 meteorite samples collected by CHINARE in the Grove Mountains, East Antarctica, during the 2009-2010 field season.

Physical characteristics (B. Miao, H. Chen, Z. Xia, L. Xie, J. Yao, GUT): The 369.1 g stone has an irregular shape. It contains an even distribution of metal and silicates portions. It has no fusion crust.

Petrography (B. Miao, H. Chen, Z. Xia, L. Xie, J. Yao, GUT): It consists of 35 vol% of metallic Fe-Ni and the silicate portion. The silicate part consists of various large fragments of pyroxenes, plagioclase.

Geochemistry (B. Miao, H. Chen, Z. Xia, L. Xie, J. Yao, GUT): Kamacite, Ni 4.71 - 6.22 wt%; Taenite, Ni 36.2 - 46.1 wt%. The metal has no detectable Co. Orthopyroxene, Fs27-33Wo2-5, FeO/MnO (in weight) = 21.

Classification: Mesosiderite, significantly weathered.

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

Data from:
  MB102
  Table 0
  Line 0:
Origin or pseudonym:Ice Field
Date:2010 Feb 1
Latitude:72°59'5.6"S
Longitude:75°14'55.2"E
Mass (g):369.10
Pieces:1
Class:Mesosiderite
Shock stage:S2
Weathering grade:W2
Ferrosilite (mol%):30.7±1.7 (n = 11)
Wollastonite (mol%):2.7±1.1 (n = 11)
Classifier:B. Miao, H. Chen, Z. Xia, L. Xie, J. Yao, GUT
Type spec mass (g):369.1
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. 102, MAPS 50, 1662, September 2015
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Geography:

Antarctica
Coordinates:
     Recommended::   (72° 59' 6"S, 75° 14' 55"E)

Statistics:
     This is 1 of 38937 approved meteorites from Antarctica (plus 5051 unapproved names)
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