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| Northwest Africa 6236 | |||||||||||||||||||||||||||||||||
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| Basic information | Name: Northwest Africa 6236 This is an OFFICIAL meteorite name. Abbreviation: NWA 6236 Observed fall: No Year found: 2005 Country: Morocco Mass:  145 g | ||||||||||||||||||||||||||||||||
| Classification history: |
This is 1 of 68 approved meteorites classified as R4. [show all] Search for other: Rumuruti chondrites, Rumuruti chondrites (type 4-7) | ||||||||||||||||||||||||||||||||
| Comments: |
Approved 21 May 2010 Revised 28 May 2010: Changed official name by vote of NomCom | ||||||||||||||||||||||||||||||||
| Writeup |
Writeup from MB online:
Northwest Africa 6236 30°58.29’N, 4°56.99’W Fezzou Village, Morocco Found: 4 Oct 2005 Classification: Rumuruti chondrite (R4) History: The finder and collector of both meteorites Northwest Africa 6235 and Northwest Africa 6236, originally called Fezzou (a) and Fezzou (b), respectively, is Mr. Mosudiqu Aziz, who is a Moroccan shepherd and living in Alnif, Morocco. Mr. Ichiro Katagi, who is a dealer of rocks and meteorites, purchased them from Mr. Mosudiqu Aziz at Alnif. The submitter, Sawada, bought them from Mr. Katagi at the Mineral Tokyo Show in Tokyo, Japan. Geochemistry: Ca-rich pyroxene (Fs8.3-20.5Wo34.0-46.5); C (0.22 wt%). Carbon and sulfur isotopes analysis (D. Dettman, UAz): δ13C -15.11±0.11 per mil (vs. PDB), δ34S: 0.6±0.15 per mil (vs. CDT). Oxygen isotope analysis (K. Nagao, UTok; M. Kusakabe, UToy; I. Ahn and J. I. Lee, KOPRI): δ17O : 5.53 ± 0.08 per mil (vs. SMOW); δ18O : 4.70 ± 0.07 per mil (vs. SMOW). Classification: Petrologic type is estimated around 4 on the basis of TL and Fa content. | ||||||||||||||||||||||||||||||||
| Data from: MB98 Table 1 Line 52: |
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| Plots: | O isotopes: | ||||||||||||||||||||||||||||||||
| Institutions and collections |
UAz: Lunar and Planetary Laboratory, University of Arizona, 1629 E. University Blvd., Tucson, AZ 85721, United States (institutional address; updated 14 Jan 2012) UTok: University Museum, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan (institutional address; updated 3 Oct 2021) KOPRI: Korea Polar Research Institute, 26 Songdomirae-ro, Yeonsu-gu, Incheon, Korea, 406-840, South Korea; Website (institutional address; updated 20 Dec 2014) OkaU: Institute for Study of the Earth's Interior, Okayama University, Misasa Tottori 682-0193, Japan (institutional address) ShiU: Department of Geoscience, Faculty of Science and Engineering, Shimane University, 1060 Nishikawatsu-cho, Matsue, 690-8504, Japan (institutional address; updated 21 May 2010) UToy: Department of Environmental Biology and Chemistry The University of Toyama, Gofuku 3190, Toyama-shi, 930-8555, Japan (institutional address; updated 21 May 2010) NSMT: National Museum of Nature and Science, 4-1-1 Amakubo, Tsukuba, Ibaraki 305-0005, JAPAN, Japan; Website (institutional address; updated 16 Jun 2014) |
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| Catalogs: |
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| References: | Published in Meteoritical Bulletin, no. 98, MAPS 45, 1530-1551 (2010)
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Geography:
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Statistics: This is 1 of 62 approved meteorites from Meknès-Tafilalet, Morocco This is 1 of 2082 approved meteorites from Morocco (plus 31 unapproved names) (plus 1 impact crater) | ||||||||||||||||||||||||||||||||
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| Synonyms: |
Fezzou (b) (Renamed NWA by action of nomcom 5/28/10) | ||||||||||||||||||||||||||||||||
| Revision history: |
This lists important revisions made to data for this record.
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