|
Northwest Africa 12001 | |||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Basic information | Name: Northwest Africa 12001 This is an OFFICIAL meteorite name. Abbreviation: NWA 12001 Observed fall: No Year found: 2018 Country: Morocco Mass: 5.23 kg | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 12021 approved meteorites (plus 23 unapproved names) classified as H5. [show all] Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7) | ||||||||||||||||||||||||||||||
Comments: | Approved 15 Sep 2018 | ||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 107:
Northwest Africa 12001 (NWA 12001) Morocco Purchased: 2018 Feb Classification: Ordinary chondrite (H5) History: Purchased from Mohammed Hmani during the Tucson Gem and Mineral show February 2018. Physical characteristics: Stones have a brownish exterior exposing many small chondrules and some specimens are partially covered with a brownish black crust. Some specimens also display prominent metal veining in positive relief. Petrography: (C. Herd and L. Tunney, UAb) Optical and microprobe examination of a polished thin section shows well-delineated chondrules of a variety of textural types. No metal veins were observed in the specimen studied. Weathering grade according to Zurfluh et al. (2016). Geochemistry: (C. Herd and L. Tunney, UAb) Data obtained by EMP examination of carbon-coated thin section: Olivine Fa18.3±0.3 (n=42); Low-Ca Pyroxene Fs16.0±0.2Wo1.2±0.2 (n=39). Classification: Ordinary chondrite, H5 Specimens: Type specimen of 71.8 g, including one thin section, is at UAb. 3 stones totaling 2108 g with M. Ouzillou, 911 g stone with GHupé, and 2 stones totaling 2211 g with D. Dickens. | ||||||||||||||||||||||||||||||
Data from: MB107 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) GHupé: Gregory M. Hupé, 9003 Placid Lakes Blvd., Lake Placid, FL 33852, United States; Website (private address) Hmani: A. Hmani Moroccan Imports, 13 rue Jules Hardouin Mansart, 92600 Asnières, France (private address) |
||||||||||||||||||||||||||||||
Catalogs: |
| ||||||||||||||||||||||||||||||
References: | Published in Meteoritical Bulletin, no. 107, MAPS 55, 460-462
| ||||||||||||||||||||||||||||||
Geography: |
Statistics: This is 1 of 2163 approved meteorites from Morocco (plus 32 unapproved names) (plus 1 impact crater) |