![]() |
||
|
Northwest Africa 8117 | |||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Basic information | Name: Northwest Africa 8117 This is an OFFICIAL meteorite name. Abbreviation: NWA 8117 Observed fall: No Year found: 2013 Country: (Northwest Africa) Mass: ![]() | ||||||||||||||||||||||||||||
Classification history: |
This is 1 of 569 approved meteorites (plus 1 unapproved name) classified as Eucrite. [show all] Search for other: Achondrites, Eucrites, and HED achondrites | ||||||||||||||||||||||||||||
Comments: | Approved 10 Dec 2013 | ||||||||||||||||||||||||||||
Writeup![]() |
Writeup from MB 102:
Northwest Africa 8117 (NWA 8117) (Northwest Africa) Purchased: 2013 May Classification: HED achondrite (Eucrite) History: Purchased by Alexandre Debienne in May 2013 from a dealer in Agadir, Morocco as a possible paired stone to NWA 7931. Physical characteristics: A single small stone (2.41 g) lacking fusion crust. Petrography: (A. Irving and S. Kuehner, UWS) Breccia consisting of numerous small mineral clasts in a finer matrix. Minerals are exsolved pigeonite, calcic plagioclase, silica polymorph, ilmenite and troilite. Geochemistry: Host orthopyroxene (Fs60.9-61.5Wo2.1-2.0; FeO/MnO = 29-30), clinopyroxene exsolution lamellae (Fs26.2-26.5Wo43.1-44.0 FeO/MnO = 32). Classification: Eucrite breccia. Specimens: The entire stone is at PSF. | ||||||||||||||||||||||||||||
Data from: MB102 Table 0 Line 0: |
|
||||||||||||||||||||||||||||
Institutions and collections |
PSF: Planetary Studies Foundation,10 Winterwood Lane, Unit B, Galena, Illinois 61036-9283, United States; Website (institutional address; updated 1 Dec 2011) UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012) |
||||||||||||||||||||||||||||
Catalogs: |
| ||||||||||||||||||||||||||||
References: | Published in Meteoritical Bulletin, no. 102, MAPS 50, 1662, September 2015
| ||||||||||||||||||||||||||||
Geography: |
Statistics: This is 1 of 8904 approved meteorites from (Northwest Africa) (plus 1871 unapproved names) |