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Grizim 002
Basic information Name: Grizim 002
     This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: No
Year found: 2022
Country: Algeria
Mass:help 79.6 g
Classification
  history:
Meteoritical Bulletin:  MB 112  (2023)  Lunar (feldsp. breccia)
Recommended:  Lunar (feldsp. breccia)    [explanation]

This is 1 of 334 approved meteorites classified as Lunar (feldsp. breccia).   [show all]
Search for other: Lunar meteorites
Comments: Approved 29 Jan 2023
Writeuphelp
Writeup from MB 112:

Grizim 002        25.936°N, 01.868°W

Adrar, Algeria

Purchased: 2022 Jan

Classification: Lunar meteorite (feldspathic breccia)

History: Found in Algeria and purchased by Ziyao Wang in January 2022 from a dealer in Laayoune, Morocco.

Petrography: (A. Irving, UWS and P. Carpenter, WUSL) Breccia composed of mineral clasts of anorthite, low-Ca pyroxene, pigeonite and augite in a fine grained matrix containing ilmenite, chromite, baddeleyite, troilite and kamacite.

Geochemistry: Anorthite (An96.1-97.2Or0.1, N = 3), olivine (Fa28.0-46.4, FeO/MnO = 96-116, N = 4), low-Ca pyroxene (Fs20.1-34.1Wo3.5-3.9, FeO/MnO = 64-71, N = 3), pigeonite (Fs30.1-39.7Wo6.9-9.3, FeO/MnO = 59-61), augite (Fs21.3-45.4Wo40.1-37.4, FeO/MnO = 58-62, N = 2).

Classification: Lunar (feldspathic breccia).

Specimens: 18.3 g in the form of a polished endcut at UWB; remainder with WangZ.

Data from:
  MB112
  Table 0
  Line 0:
State/Prov/County:Adrar
Place of purchase:Laayoune
Date:P 2022 Jan
Latitude:25.936°N
Longitude:01.868°W
Mass (g):79.56
Pieces:4
Class:Lunar (feldsp. breccia)
Shock stage:low
Weathering grade:low
Fayalite (mol%):28.0-46.4
Ferrosilite (mol%):20.1-34.1; 30.1-39.7; 21.3-45.4
Wollastonite (mol%):3.5-3.9; 6.9-9.3; 40.1-37.4
Classifier:A. Irving, UWS, and P. Carpenter, WUSL
Type spec mass (g):18.3
Type spec location:UWB
Main mass:WangZ
Comments:Work name WZY-79; submitted by A. Irving
Institutions
   and collections
UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012)
WUSL: Washington Univ., One Brookings Drive, St. Louis, MO 63130, United States (institutional address; updated 17 Oct 2011)
UWB: University of Washington, Burke Museum of Natural History and Culture, Box 353010 Seattle, WA 98195, United States (institutional address; updated 9 Oct 2023)
WangZ: Ziyao Wang, Hebei GEO University North Campus, Huai An dong road 127, Shijiazhuang, Hebei Province , China (private address; updated 25 Jun 2021)
Catalogs:
References: Published in Meteoritical Bulletin, no. 112, in preparation (2023)
Find references in NASA ADS:
Find references in Google Scholar:
Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Ziyao Wang         
Geography:

Algeria
Coordinates:
     Recommended::   (25° 56' 10"N, 1° 52' 5"W)

Statistics:
     This is 1 of 199 approved meteorites from Adrar, Algeria (plus 1 unapproved name)
     This is 1 of 1335 approved meteorites from Algeria (plus 30 unapproved names) (plus 4 impact craters)
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