|
Northwest Africa 13873 | |||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Basic information | Name: Northwest Africa 13873 This is an OFFICIAL meteorite name. Abbreviation: NWA 13873 Observed fall: No Year found: 2021 Country: (Northwest Africa) Mass: 166 g | ||||||||||||||||||||||||||||
Classification history: |
This is 1 of 598 approved meteorites (plus 1 unapproved name) classified as Eucrite. [show all] Search for other: Achondrites, Eucrites, and HED achondrites | ||||||||||||||||||||||||||||
Comments: | Approved 28 Mar 2021 | ||||||||||||||||||||||||||||
Writeup |
Writeup from MB 110:
Northwest Africa 13873 (NWA 13873) (Northwest Africa) Purchased: 2021 Classification: HED achondrite (Eucrite) History: The meteorite was purchased from a dealer in Morocco. Physical characteristics: Grayish rock partly covered with fusion crust. Petrography: The meteorite is a fragmental breccia composed of up to 3 mm sized basaltic and up to 1 cm sized black melt rock clasts set into a clastic matrix. Mineral phases are predominantly up to 600 µm sized exsolved pyroxene and calcic plagioclase grains. Minor phases include silica polymorph, chromite, ilmenite, troilite, and metallic iron. Geochemistry: low-Ca pyroxene: Fs55.6±0.2Wo3.7±0.1 (Fs55.4-55.9Wo3.5-3.9, FeO/MnO=32-34, n=7); Ca-pyroxene: Fs28.6±0.8Wo40.6±1.4 (Fs27.8-30.3Wo37.3-41.4, FeO/MnO=27-32, n=7); calcic plagioclase: An90.2±1.0 (An88.5-91.6, n=9) | ||||||||||||||||||||||||||||
Data from: MB110 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 Gattacceca J., McCubbin F.M., Grossman J., Bouvier A., Chabot N.L., D'Orazio M., Goodrich C., Greshake A., Gross J., Komatsu M., Miao B., and Schrader D. (2022) The Meteoritical Bulletin, No. 110. Meteorit. Planet. Sci. 1-4
| ||||||||||||||||||||||||||||
Geography: |
Statistics: This is 1 of 9699 approved meteorites from (Northwest Africa) (plus 1854 unapproved names) | ||||||||||||||||||||||||||||
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.
|