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Grove Mountains 021788
Basic information Name: Grove Mountains 021788
     This is an OFFICIAL meteorite name.
Abbreviation: GRV 021788
Observed fall: No
Year found: 2003
Country: Antarctica [Collected by Chinese Antarctic Research Expedition (CARE)]
Mass:help 24.9 g
Classification
  history:
Meteoritical Bulletin:  MB 89  (2005)  Ureilite
MetBase:  v. 7.1  (2006)  Ureilite
Recommended:  Ureilite    [explanation]

This is 1 of 514 approved meteorites classified as Ureilite.   [show all]
Search for other: Achondrites, Ureilites
Writeuphelp
Writeup from MB 89:

Grove Mountains 021788

Antarctica

Found 2003

Achondrite (ureilite)

This meteorite weighs 24.9 g, and is somewhat cone-shaped. The surface is partially covered with black fusion crust. Classification and mineralogy (NU): It consists mainly of coarse-grained (0.5 - 2.0 mm) silicates (~70 vol%) embedded in fine-grained carbonaceous matrix. Modal abundances: olivine 45 vol%, pyroxene 50 vol%, carbonaceous matrix <5 vol%. Pyroxene (Fs22.6) and the core of olivine (Fa22.3) are homogeneous. However, olivine is characterized by occurrence of reduced zones (~100 μm wide, Fa1.5) along its embayed boundaries and cracks. Abundant tiny metallic Fe (<1 vol%) is enclosed in the reduced zones and in the C-rich matrix. The coarse-grained olivines show triple junctions. Shock stage is S3; weathering grade is W3.

Data from:
  MB89
  Table 4
  Line 46:
Date:20 Jan 2003
Latitude:72°46'24"S
Longitude:75°19'20"E
Mass (g):24.9
Class:Ure
Classifier:H. Wang, Y. Liang, R. Wang, J. Ji, W. Zhang and X. Chen, NU
Institutions
   and collections
NU: School of Earth Sciences and Engineering, Nanjing University, #163 Xianlin Avenue, Nanjing 210023, China, China (institutional address; updated 18 Jul 2015)
Catalogs:
Search for this meteorite in the Chinese meteorite database (CHINARE):   
References: Published in Meteoritical Bulletin, no. 89, MAPS 40, A201-A263 (2005)
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Geography:

Antarctica
Coordinates:
     Recommended::   (72° 46' 24"S, 75° 19' 20"E)

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