| MetSoc Home Publications Contacts |
|
||
|
||
| Northwest Africa 11199 | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Basic information | Name: Northwest Africa 11199 This is an OFFICIAL meteorite name. Abbreviation: NWA 11199 Observed fall: No Year found: 2016 Country: Algeria Mass:  1069 g | ||||||||||||||||||||||||
| Classification history: |
This is 1 of 351 approved meteorites classified as Iron, IIIAB. [show all] Search for other: IIIAB irons, Iron meteorites, and Metal-rich meteorites | ||||||||||||||||||||||||
| Comments: | Approved 17 Apr 2017 | ||||||||||||||||||||||||
| Writeup |
Writeup from MB 106:
Northwest Africa 11199 (NWA 11199) Algeria Purchased: June 2016 Classification: Iron meteorite (IIIAB) History: A single specimen weighing 1069 g, reported found near Tamanghasset, Algeria. Physical characteristics: The main mass has a dark brown exterior and is irregular in shape, with a single, spherical depression approximate 10 cm across. Petrography: (C. Herd, UAb) Polished and etched surfaces show a regular Widmanstätten pattern with an average bandwith of 1.0±0.2 mm (n=18), consistent with a medium octahedrite. Areas of plessite are visible. Few sulfide or phosphide inclusions were observed; however, only a relatively small cut surface was examined. Geochemistry: ICP-MS data, using sample of North Chile (Filomena) as standard (C. Herd and G. Chen UAb): Ni = 10.4, Co = 0.52 (both wt%); Cu = 129, Ga = 19, As = 14.2, Ru = 1.5, W = 0.25, Ir = 0.04, Pd = 3.7, Pt = 2.2, Au = 1.4 (all μg/g). Classification: IIIAB, medium octahedrite. Specimens: Type specimen consisting of a 27.9 g representative end piece at UAb. Main mass with Kuntz. | ||||||||||||||||||||||||
| Data from: MB106 Table 0 Line 0: |
|
||||||||||||||||||||||||
| Institutions and collections |
UAb: 1-26 Earth Sciences Building, University of Alberta, Edmonton, AB, T6G 2E3, Canada, Canada; Website (institutional address; updated 17 Oct 2011) Kuntz: Fabien Kuntz, France; Website (private address) |
||||||||||||||||||||||||
| Catalogs: |
| ||||||||||||||||||||||||
| References: | Published in Gattacceca J., Bouvier A., Grossman J., Metzler K., and Uehara M. (2019) Meteoritical Bulletin, no. 106. Meteorit. Planet. Sci. 54 in press.
| ||||||||||||||||||||||||
| Photos: |
| ||||||||||||||||||||||||
Geography:
|
Statistics: This is 1 of 1399 approved meteorites from Algeria (plus 33 unapproved names) (plus 4 impact craters) | ||||||||||||||||||||||||