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Grove Mountains 13100
Basic information Name: Grove Mountains 13100
     This is an OFFICIAL meteorite name.
Abbreviation: GRV 13100
Observed fall: No
Year found: 2014
Country: Antarctica [Collected by Chinese Antarctic Research Expedition (CARE)]
Mass:help 0.68 g
Classification
  history:
Meteoritical Bulletin:  MB 103  (2014)  EH4
Recommended:  EH4    [explanation]

This is 1 of 20 approved meteorites classified as EH4.   [show all]
Search for other: EH chondrites, Enstatite chondrites, Enstatite chondrites (type 4-7), and Enstatite-rich meteorites
Comments: Approved 29 Oct 2014
Writeuphelp
Writeup from MB 103:

Grove Mountains 13100 (GRV 13100)        72°57’46"S, 75°13’47"E

Antarctica

Found: 16 Jan 2014

Classification: Enstatite chondrite (EH4)

History: One of 583 meteorites collected by CHINARE during the 2013/2014 field season.

Physical characteristics: Total mass: 0.68 g (only 1 piece). Dimensions: 10.92 × 8.02 × 6.34 mm. It has partial fusion crust and a gray surface.

Petrography: This section consists of an aggregate of small chondrules (most less than 0.5 mm), chondrule fragments and pyroxene grains with metal, troilite, niningerite, daubreelite and perryite.

Geochemistry: Enstatite Fs1.52±1.34Wo=0.16±0.13, n=39, enstatite compositions are somewhat variable (Fs0.17-6.5), with most being Fs0-1; plagioclase An74.34±1.80Or1.14±0.21, n=7; metal contains 2.9-3.7 wt% Si.

Classification: Enstatite chondrite (EH4); S2; W2.

Data from:
  MB103
  Table 0
  Line 0:
Origin or pseudonym:Ice Field
Date:16 Jan 2014
Latitude:72°57'46"S
Longitude:75°13'47"E
Mass (g):0.68
Pieces:1
Class:EH4
Shock stage:S2
Weathering grade:W2
Ferrosilite (mol%):1.52±1.34 (n=39)
Wollastonite (mol%):0.16±0.13 (n=39)
Classifier:L.Xie,B. Miao, H. Chen, Z. Xia, GUT
Type spec mass (g):0.68
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. 103, MAPS 52, 1014, May 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12888/full
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Geography:

Antarctica
Coordinates:
     Recommended::   (72° 57' 46"S, 75° 13' 47"E)

Statistics:
     This is 1 of 39173 approved meteorites from Antarctica (plus 5051 unapproved names)
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