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Grove Mountains 090327
Basic information Name: Grove Mountains 090327
     This is an OFFICIAL meteorite name.
Abbreviation: GRV 090327
Observed fall: No
Year found: 2010
Country: Antarctica [Collected by Chinese Antarctic Research Expedition (CARE)]
Mass:help 43.6 g
Classification
  history:
Meteoritical Bulletin:  MB 106  (2018)  Iron, IAB-ung
Recommended:  Iron, IAB-ung    [explanation]

This is 1 of 56 approved meteorites classified as Iron, IAB-ung.   [show all]
Search for other: IAB complex irons, Iron meteorites, and Metal-rich meteorites
Comments: Approved 19 Oct 2017
Revised 5 Nov 2017: Corrected chemistry
Writeuphelp
Writeup from MB 106:

Grove Mountains 090327 (GRV 090327)        72°49’31.1"S, 75°21’19.6"E

Antarctica

Find: 15 Jan 2010

Classification: Iron meteorite (IAB-ungrouped)

History: During the 2009/2010 field season, 1618 meteorite samples have been collected by CHINARE in Grove Mountains, East Antarctica.

Physical characteristics: This iron meteorite is covered with dark brown to black fusion crust, with total mass 43.63 g. The sample is a piece of iron with almost half troilite inclusions, apparent to the naked eye. Dimensions:3.3 × 1.5 × 2.5 mm

Petrography: In polished section, there are many veined fissures spread in the metal matrix. Gray minerals fill the veined fissures. A Widmanstaetten pattern is present.

Geochemistry: The concentration of trace elements show the iron meteorite belongs to the IAB meteorites: Co = 0.57%; Ni = 10.9%; Ga = 27.5 ppm; As = 13.4 ppm; Ge = 39.3 ppm; Ir = 0.11 ppm; Au = 1.2 ppm. The Ni-Ga, Ni-Ge, and Ni-Ir diagrams indicate that the iron is a member of the IAB chemical group.

Classification: Iron meteorite, IAB-ungrouped

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

Data from:
  MB106
  Table 0
  Line 0:
Origin or pseudonym:Ice Field
Date:15 Jan 2010
Latitude:72°49'31.1"S
Longitude:75°21'19.6"E
Mass (g):43.63
Pieces:1
Class:Iron, IAB-ung
Classifier:B. Miao, M. Shao, GUT G. Wang, GIGCAS
Type spec mass (g):43.63
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)
GIGCAS: Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, China (institutional address)
Catalogs:
Search for this meteorite in the Chinese meteorite database (CHINARE):   
References: Published in Gattacceca J., Bouvier A., Grossman J., Metzler K., and Uehara M. (2019) Meteoritical Bulletin, no. 106. Meteorit. Planet. Sci. 54 in press.
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Geography:

Antarctica
Coordinates:
     Recommended::   (72° 49' 31"S, 75° 21' 20"E)

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