![]() |
||
|
Northwest Africa 7411 | |||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Basic information | Name: Northwest Africa 7411 This is an OFFICIAL meteorite name. Abbreviation: NWA 7411 Observed fall: No Year found: 2010 Country: (Northwest Africa) Mass: ![]() | ||||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 602 approved meteorites (plus 1 unapproved name) classified as CV3. [show all] Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CV chondrites, and CV-CK clan chondrites | ||||||||||||||||||||||||||||||||
Comments: | Approved 23 Apr 2015 | ||||||||||||||||||||||||||||||||
Writeup![]() |
Writeup from MB 104:
Northwest Africa 7411 (NWA 7411) (Northwest Africa) Purchased: Nov 2010 Classification: Carbonaceous chondrite (CV3) Petrography: (A.E. Rubin, UCLA) There are large (2-3 cm) type A fluffy CAIs and 1-2 cm type B CAIs visible in hand sample. Chondrules average about 900 μm in apparent diameter, characteristic of CV chondrites. Many chondrules have thick igneous rims. There are a few percent AOIs, which have a mean size of ~700 μm. The rock has moderately abundant magnetite and little metallic Fe-Ni. Some of the low-Ca pyroxene grains exhibit polysynthetic twins. | ||||||||||||||||||||||||||||||||
Data from: MB104 Table 0 Line 0: |
|
||||||||||||||||||||||||||||||||
Institutions and collections |
UCLA: Institute of Geophysics and Planetary Physics, University of California, Los Angeles, CA 90095-1567, United States (institutional address; updated 17 Oct 2011) JUtas: Jason Utas, United States (private address; updated 8 Jun 2010) |
||||||||||||||||||||||||||||||||
Catalogs: |
| ||||||||||||||||||||||||||||||||
References: | Published in Meteoritical Bulletin, no. 104, MAPS 52, 2284, Octover 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12930/full
| ||||||||||||||||||||||||||||||||
Geography: |
Statistics: This is 1 of 8904 approved meteorites from (Northwest Africa) (plus 1871 unapproved names) |