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| Northwest Africa 14734 | |||||||||||||||||||||||||||
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| Basic information | Name: Northwest Africa 14734 This is an OFFICIAL meteorite name. Abbreviation: NWA 14734 Observed fall: No Year found: 2017 Country: Niger Mass:  7 kg | ||||||||||||||||||||||||||
| Classification history: |
This is 1 of 338 approved meteorites classified as Iron, IIIAB. [show all] Search for other: IIIAB irons, Iron meteorites, and Metal-rich meteorites | ||||||||||||||||||||||||||
| Comments: | Approved 26 Mar 2022 | ||||||||||||||||||||||||||
| Writeup |
Writeup from MB 111:
Northwest Africa 14734 (NWA 14734) Niger Find: 2017 Sep Classification: Iron meteorite (IIIAB) History: The meteorite was found in Niger, north of Agadez in the Tenere desert in September 2017. Petrography: (Jérôme Gattacceca, Clara Maurel, CEREGE) Iron meteorite with medium octahedrite structure showing some kamacite grain growth. Kamacite bandwith is 800 µm. Kamacite is in the epsilon-structure. Kamacite bands are separated by plessitic domains. Multiple sets of Neumann bands are visible. Schreibersite is found as mm-sized elongated grains. Geochemistry: XRF measurement of a polished cut surface gives Ni 9.70 wt% and Co 0.53 wt%. (V. Debaille, ULB) Composition of the metal (ICP-MS) is Co=0.5 wt%, Cr was below detection limit, Cu=106 ppm, Ga=20 ppm, As=12 ppm, Mo=7.6 ppm, Pd=5.1 ppm, Ir=0.08 ppm, Au=1.3 ppm. Ge was not measured. Classification: Iron (IIIAB). Specimens: Type specimen at CEREGE. Main mass with Ludovic Wagner. | ||||||||||||||||||||||||||
| Data from: MB111 Table 0 Line 0: |
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| Institutions and collections |
CEREGE: CEREGE
BP 80
Avenue Philibert, Technopole de l'Arbois
13545 Aix-en-Provence Cedex 4
France, France (institutional address; updated 29 Oct 2018) ULB: Université libre de Bruxelles Avenue Franklin Roosevelt 50 - 1050 Bruxelles, Belgium (institutional address; updated 27 Sep 2018) |
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| References: | Published in Meteoritical Bulletin, no. 111, in preparation (2022)
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Geography:
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Statistics: This is 1 of 106 approved meteorites from Niger (plus 4 unapproved names) | ||||||||||||||||||||||||||