|
Northwest Africa 15343 | |||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Basic information | Name: Northwest Africa 15343 This is an OFFICIAL meteorite name. Abbreviation: NWA 15343 Observed fall: No Year found: 2021 Country: Algeria Mass: 4.02 kg | ||||||||||||||||||||||||
Classification history: |
This is 1 of 104 approved meteorites classified as Lunar. [show all] Search for other: Lunar meteorites | ||||||||||||||||||||||||
Comments: | Approved 4 Dec 2022 | ||||||||||||||||||||||||
Writeup |
Writeup from MB 111:
Northwest Africa 15343 (NWA 15343) Algeria Find: 2021 Classification: Lunar meteorite History: Found by a nomad in summer 2021 near Hassi L’Hajar, which is approximatively 90 km from Ouargla, Algeria. Purchased by Stone gallery (The Netherlands), Michel van den Dries (Belgium) and anonymous in 2022. Several 5 to 30 g stones of the lot (totaling 493 g) were sold to another unknown buyer. Physical characteristics: The stones (from 7.2 to 783 g) have a dark brown and shiny, sand-blasted surface. The cut surface of the type specimen reveals a melt breccia with numerous <1 mm clasts embedded within a dark matrix. It appears fresh, with visible metal grains. Petrography: (A. Bouvier, UBayr) Breccia consisting of a dark glassy matrix containing abundant sub-millimeter lithic clasts, which are mostly mineral fragments (olivine, pyroxene, plagioclase) as well as rarer mafic clasts (norite) found in the polished section. Fe-Ni metal, troilite, Cr-spinel, and chromite are also present. Geochemistry: Olivine Fa29.2±4.8 with Fe/Mn=94±13 (n=18); Low-Ca pyroxene Fs18.0Wo3.4 (n=1); Pigeonite Fs32.5±4.4Wo13.3±5.7, Fe/Mn=51.2±4.6 (n=6); high-Ca pyroxene Fs21.4±10.0Wo39.1±3.0, Fe/Mn=53.4±4.3 (n=3); Plagioclase An96.5±1.1Or0.1±0.1 (n=23). Classification: Lunar (melt breccia) Specimens: 42.2 g including a polished mount at UBayr. Main mass (786 g) with Stone gallery (The Netherlands), other smaller masses with Stone gallery (The Netherlands), Michel van den Dries (Belgium) and anonymous. | ||||||||||||||||||||||||
Data from: MB111 Table 0 Line 0: |
|
||||||||||||||||||||||||
Institutions and collections |
UBayr: Bayerisches Geoinstitut, University of Bayreuth, D-95440 Bayreuth, Germany (institutional address; updated 5 Feb 2020) |
||||||||||||||||||||||||
Catalogs: |
| ||||||||||||||||||||||||
References: | Published in Gattacceca J., McCubbin F. M., Grossman J. N., Schrader D. L., Chabot N. L., D’Orazio M., Goodrich C., Greshake A., Gross J., Joy K. H., Komatsu M. and Miao B. (2023) The Meteoritical Bulletin, No. 111. Meteoritics & Planetary Science 58, 901–904. ?
| ||||||||||||||||||||||||
Geography: |
Statistics: This is 1 of 1336 approved meteorites from Algeria (plus 30 unapproved names) (plus 4 impact craters) | ||||||||||||||||||||||||
Also see: |
This lists the most popular meteorites among people who looked up this meteorite.
| ||||||||||||||||||||||||
Revision history: |
This lists important revisions made to data for this record.
|