![]() |
||
|
Northwest Africa 10389 | |||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Basic information | Name: Northwest Africa 10389 This is an OFFICIAL meteorite name. Abbreviation: NWA 10389 Observed fall: No Year found: 2014 Country: (Northwest Africa) Mass: ![]() | ||||||||||||||||||||||||||||
Classification history: |
This is 1 of 569 approved meteorites (plus 1 unapproved name) classified as CO3. [show all] Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CM-CO clan chondrites, and CO chondrites | ||||||||||||||||||||||||||||
Comments: | Approved 10 Dec 2015 | ||||||||||||||||||||||||||||
Writeup![]() |
Writeup from MB 104:
Northwest Africa 10389 (NWA 10389) (Northwest Africa) Purchased: 2014 Feb Classification: Carbonaceous chondrite (CO3) History: Purchased by Dr. David Gregory in February 2014 from a Moroccan dealer at the Tucson Gem and Mineral Show. Petrography: (A. Irving and S. Kuehner, UWS) Small chondrules, angular mineral fragments and small, fine-grained CAI are set in a reddish-brown matrix (~30 vol.%). Geochemistry: Olivine (Fa0.8-70.6, Cr2O3 in ferroan examples 0.03-0.20 wt.%, mean 0.08±0.07 wt.%, N = 7), orthopyroxene (Fs4.9Wo0.4), pigeonite Fs1.6Wo5.7), augite (Fs0.6-2.7Wo37.3-42.7). Classification: Carbonaceous chondrite (CO3). Low/moderate weathering. Specimens: 18.5 g including one polished thin section at ROM; remainder with DGregory. | ||||||||||||||||||||||||||||
Data from: MB104 Table 0 Line 0: |
|
||||||||||||||||||||||||||||
Institutions and collections |
ROM: Royal Ontario Museum, 100 Queen's Park, Toronto, Ontario M5S 2C6, Canada (institutional address; updated 18 Oct 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) DGregory: David Gregory, 230 First Avenue, Suite 108, St. Thomas, Ontario N5R 4P5, Canada (private address) |
||||||||||||||||||||||||||||
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 7655 approved meteorites from (Northwest Africa) (plus 1972 unapproved names) |