Mondmeteorit Touat 008 Lunar Troctolithischer Schmelz-Breccia-Meteorit, äußerst seltener Mondmeteorit, einer von - 2.09 g - (1)

TOUAT 008
Lunar Troctolitiic melt breccia
meteorite
Found in February 2023 in Adrar
Algeria
COORDINATES: 27.150°N, 01.024
2.09 grams

This is 1 of 5 approved and classified as Lunar Troctolitiic melt breccia meteorite

Troctolitiic melt breccia Lunar is extremely rare and scientifically important meteorite

Classified and studied by world renowned and profoundly respected Dr Anthony J. Irving and team at Department of Earth and Space sciences, University of Washington.

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OFFICIAL CLASSIFICATION DATA SOURCE,

Touat 008 27.150°N , 01.042°W

Adrar, Algeria

Find: 2023 Feb

Classification: Lunar (troct. melt breccia)

Petrography: (A. Irving, UWS, and P. Carpenter, WUSL) Breccia dominated by mineral debris and some lithic clasts related to troctolitic lithologies. Mean grainsize is ~100 µm. Portions of the very fine grained matrix exhibit fluidal textures and contain sparse vesicles. Accessory phases include Cr-bearing pleonaste, troilite (commonly altered to secondary barite), low-Ti chromite and calcite (as patchy secondary alteration of plagioclase).

Geochemistry: Anorthite (An95.9-96.8Or0.1-0.0, N = 4), olivine (Fa20.0-24.0, FeO/MnO = 74-89, N = 5), pigeonite (Fs19.4-19.9Wo5.0-6.9, FeO/MnO = 42-55, N = 4), subcalcic augite (Fs13.0Wo34.4, FeO/MnO = 40; Fs27.5Wo21.7, FeO/MnO = 51; Fs43.9Wo29.2, FeO/MnO = 63; N = 3).

Classification: Lunar (troctolitiic melt breccia).


Data from:
MB112
Table 0
Line 0:
State/Prov/County: Adrar
Place of purchase: Algeria
Date: 2023 Feb
Latitude: 27.150°N
Longitude: 01.042°W
Mass (g): 2955
Pieces: many
Class: Lunar (troct. melt breccia)
Shock stage: high
Weathering grade: low
Fayalite (mol%): 20.0-24.0
Ferrosilite (mol%): 19.4-19.9;
Wollastonite (mol%): 5.0-6.9
Classifier: (A. Irving, UWS, and P. Carpenter, WUSL)
Type spec mass (g): 45.3
Type spec location: UWB