Meteoritical Bulletin: Entry for Grizim 002

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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: 79.6 g

Classification
history:

Recommended:

Lunar (feldsp. breccia) [explanation]

This is 1 of 312 approved meteorites classified as Lunar (feldsp. breccia). [show all]
Search for other: Lunar meteorites

Comments:

Approved 29 Jan 2023

Writeup

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 (An_96.1-97.2Or_0.1, N = 3), olivine (Fa_28.0-46.4, FeO/MnO = 96-116, N = 4), low-Ca pyroxene (Fs_20.1-34.1Wo_3.5-3.9, FeO/MnO = 64-71, N = 3), pigeonite (Fs_30.1-39.7Wo_6.9-9.3, FeO/MnO = 59-61), augite (Fs_21.3-45.4Wo_40.1-37.4, 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, Box 353010 Seattle, WA 98195, United States (institutional address; updated 27 Jul 2012)
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:

Credit	Photos
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 187 approved meteorites from Adrar, Algeria (plus 1 unapproved name)
This is 1 of 1270 approved meteorites from Algeria (plus 29 unapproved names) (plus 4 impact craters)

Proximity search:

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