|
Northwest Africa 8308 | |||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Basic information | Name: Northwest Africa 8308 This is an OFFICIAL meteorite name. Abbreviation: NWA 8308 Observed fall: No Year found: 2012 Country: (Northwest Africa) Mass: 605 g | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 451 approved meteorites classified as Howardite. [show all] Search for other: Achondrites, HED achondrites, and Howardites | ||||||||||||||||||||||||||||||
Comments: | Approved 6 Jun 2014 | ||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 103:
Northwest Africa 8308 (NWA 8308) (Northwest Africa) Purchased: 2012 Aug Classification: HED achondrite (Howardite) History: Purchased from a Moroccan dealer in Brügg, Switzerland in August 2012 by Marc Jost. Petrography: (A. Irving and S. Kuehner, UWS) Fresh fragmental breccia composed of lithic clasts of gabbroic eucrite, diogenite (~10 vol.%) and rare basaltic eucrite, plus mineral clasts of various pyroxenes, calcic plagioclase, silica polymorph, Ti-poor chromite, ilmenite, troilite and minor Ni-free metal, in a finer matrix of the same phases. Geochemistry: Diogenitic orthopyroxene (Fs24.5-27.1Wo1.7-2.4, FeO/MnO = 32-34), orthopyroxene (Fs47.3Wo3.3, FeO/MnO = 31), augite (Fs15.8-20.2Wo42.3-42.1, FeO/MnO = 24-29), olivine (Fa44.0-44.3, FeO/MnO = 49). Classification: Howardite. Specimens: 21.4 g including one polished thin section at UWB. The remaining material is held by Mr. M. Jost. | ||||||||||||||||||||||||||||||
Data from: MB103 Table 0 Line 0: |
|
||||||||||||||||||||||||||||||
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) UWB: University of Washington, Burke Museum of Natural History and Culture, Box 353010 Seattle, WA 98195, United States (institutional address; updated 9 Oct 2023) SJS: Space Jewels Switzerland, 2555 Brügg, Switzerland (private address; updated 3 Jan 2010) |
||||||||||||||||||||||||||||||
Catalogs: |
| ||||||||||||||||||||||||||||||
References: | Published in Meteoritical Bulletin, no. 103, MAPS 52, 1014, May 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12888/full
| ||||||||||||||||||||||||||||||
Geography: |
Statistics: This is 1 of 9627 approved meteorites from (Northwest Africa) (plus 1865 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.
|