![]() |
||
|
Northwest Africa 12826 | |||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Basic information | Name: Northwest Africa 12826 This is an OFFICIAL meteorite name. Abbreviation: NWA 12826 Observed fall: No Year found: 2019 Country: (Northwest Africa) Mass: ![]() | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 101 approved meteorites classified as Lunar. [show all] Search for other: Lunar meteorites | ||||||||||||||||||||||||||||||
Comments: | Approved 21 Sep 2019 | ||||||||||||||||||||||||||||||
Writeup![]() |
Writeup from MB 108:
Northwest Africa 12826 (NWA 12826) (Northwest Africa) Purchased: 2019 Classification: Lunar meteorite History: The meteorite was purchased from a local meteorite dealer in Algeria. Physical characteristics: Many brownish fragments with some fusion crust. Petrography: The meteorite is a feldspathic breccia composed of mineral fragments, basaltic clasts, and impact melt clasts set into a fine-grained partly shock-melted groundmass. Most abundant minerals are calcic plagioclase and pigeonite; less abundant are augite and olivine. Accessories include FeS, ilmenite, and FeNi-metal. The meteorite contains shock melt veins. Geochemistry: olivine: Fa28.3±6.7 (Fa19.7-35.1, FeO/MnO=97±10, n=15); pigeonite: Fs30.9±6.4Wo11.2±4.9 (Fs21.9-40.1Wo6.4-18.9, FeO/MnO=57±6, n=27); Ca-pyroxene: Fs12.5±0.8Wo39.8±2.3 (Fs11.7-14.6Wo33.2-41.3, FeO/MnO=40±4, n=11); calcic plagioclase: An96.9±0.6 (An95.2-97.7, n=17) Classification: Lunar (feldspathic breccia) | ||||||||||||||||||||||||||||||
Data from: MB108 Table 0 Line 0: |
|
||||||||||||||||||||||||||||||
Institutions and collections |
MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011) |
||||||||||||||||||||||||||||||
Catalogs: |
| ||||||||||||||||||||||||||||||
References: | Published in Meteoritical Bulletin, no. 108 (2020) Meteorit. Planet. Sci. 55, 1146-1150
| ||||||||||||||||||||||||||||||
Photos: |
| ||||||||||||||||||||||||||||||
Geography: |
Statistics: This is 1 of 8890 approved meteorites from (Northwest Africa) (plus 1871 unapproved names) |