![]() |
||
|
Northwest Africa 5475 | |||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Basic information | Name: Northwest Africa 5475 This is an OFFICIAL meteorite name. Abbreviation: NWA 5475 Observed fall: No Year found: 2008 Country: (Northwest Africa) Mass: ![]() | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 199 approved meteorites classified as CK5. [show all] Search for other: Carbonaceous chondrites, Carbonaceous chondrites (equilibrated), CK chondrites, CK chondrites (type 4-6), and CV-CK clan chondrites | ||||||||||||||||||||||||||||||
Comments: | Approved 26 Sep 2017 | ||||||||||||||||||||||||||||||
Writeup![]() |
Writeup from MB 106:
Northwest Africa 5475 (NWA 5475) (Northwest Africa) Purchased: 2008 Classification: Carbonaceous chondrite (CK5) History: The meteorite was bought in 2008 from a Moroccan meteorite dealer in Erfoud, Morocco. Physical characteristics: Grayish individual lacking any fusion crust. Petrography: The meteorite displays a dark greenish to grayish interior and is composed of several clearly defined chondrules and rare CAIs set into abundant recrystallized matrix dominantly composed of ferroan olivine. Minor phases include feldspar, low-Ca pyroxene and Cr-bearing magnetite. Metal was not detected. | ||||||||||||||||||||||||||||||
Data from: MB106 Table 0 Line 0: |
|
||||||||||||||||||||||||||||||
Institutions and collections |
MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011) Ralew: Stefan Ralew, Kunibertstraße 29, 12524 Berlin, Germany; 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 8904 approved meteorites from (Northwest Africa) (plus 1871 unapproved names) |