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Grove Mountains 055364
Basic information Name: Grove Mountains 055364
     This is an OFFICIAL meteorite name.
Abbreviation: GRV 055364
Observed fall: No
Year found: 2006
Country: Antarctica [Collected by Chinese Antarctic Research Expedition (CARE)]
Mass:help 396 g
Classification
  history:
Meteoritical Bulletin:  MB 92  (2007)  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 25 Jul 2007
Writeuphelp
Writeup from MB 92:

GRV 055364            72°59'36"N, 75°13'6"E

Grove Mountains, Antarctica

Find: 9 January 2006

Mesosiderite

History: X. Chen recovered the meteorite in a large moraine west of the middle of the Gale Escarpment in Grove Mountains.

Physical characteristics: A 396.4 g meteorite with a round shape and many concaved areas. Part of the black fusion crust remains.

Petrography: (Y. Lin, B. Miao, S. Hu and L. Feng, IGGCAS). It contains 23.9 vol% metallic Fe-Ni. The silicate part consists mainly of low-Ca pyroxene (61.8 vol%), plagioclase (32.3 vol%) and silica (5.9 vol%), with minor olivine, chromite and phosphates. Olivine occurs as clasts with embayed outlines and is surrounded by layers of low-Ca pyroxene and fine-grained chromite. Low-Ca pyroxene grains are nearly homogeneous, without exsolved lamellae of Ca-pyroxene. Phosphates commonly occur along the boundaries of Fe, Ni-rich metal with minor schreibersite.

Mineral compositions and geochemistry: Olivine (Fa27.9±3.1; FeO/MnO = 37±3), low Ca-pyroxene (Fs29.5±3.8; FeO/MnO = 22±2) and plagioclase (An88.7-90.3Ab9.0-11.1).

Classification: Mesosiderite; minimal weathering.

Type specimens: The entire sample is on deposit at PRIC.

Data from:
  MB92
  Table 5
  Line 2:
Date:9-Jan-2006
Latitude:72°59'36"S
Longitude:75°13'6"E
Mass (g):396.4
Pieces:1
Class:Mes
Institutions
   and collections
PRIC: Polar Research Institute of China, 451 Jinqiao Road, Shanghai 200129, China; Website (institutional address; updated 9 Apr 2013)
IGGCAS: Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, China (institutional address; updated 16 Oct 2011)
Catalogs:
Search for this meteorite in the Chinese meteorite database (CHINARE):   
References: Published in Meteoritical Bulletin, no. 92, MAPS 42, 1647-1694 (2007)
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Geography:

Antarctica
Coordinates:
     Recommended::   (72° 59' 36"S, 75° 13' 6"E)

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