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| Northwest Africa 13709 | |||||||||||||||||||||||||||||||||
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| Basic information | Name: Northwest Africa 13709 This is an OFFICIAL meteorite name. Abbreviation: NWA 13709 Observed fall: No Year found: 2020 Country: (Northwest Africa) Mass:  254 g | ||||||||||||||||||||||||||||||||
| Classification history: |
This is 1 of 55 approved meteorites classified as L-melt rock. [show all] Search for other: L chondrites, L chondrites (type 4-7), Melted chondrites, Ordinary chondrites, and Ordinary chondrites (type 4-7) | ||||||||||||||||||||||||||||||||
| Comments: | Approved 20 Mar 2021 | ||||||||||||||||||||||||||||||||
| Writeup |
Writeup from MB 110:
Northwest Africa 13709 (NWA 13709) (Northwest Africa) Purchased: September 2020 Classification: Ordinary chondrite (L, melt rock) Physical characteristics: A single dark stone. Cut face reveals a dark homogeneous interior with mm-sized round composite metal-sulfide grains. Petrography: (J. Gattacceca, CEREGE) Igneous rock with granular texture. Main minerals are olivine and pyroxene (~40 µm), and plagioclase (~20 µm). Metal and troilite are present as 50 µm interstitial grains, µm-size blebs within silicates, and composite metal/troilite spheres up to 2 mm in size. Geochemistry: Olivine Fa25.2±1.8, CaO=0.18 wt% (n=3). Low-Ca pyroxene Fs19.5Wo2.6 (n=2). Classification: Ordinary chondrite (L-melt rock). Specimens: Type specimen at CEREGE. Main mass with Kuntz. | ||||||||||||||||||||||||||||||||
| Data from: MB110 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 10 Jun 2023) Kuntz: Fabien Kuntz, France; Website (private address) |
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| Catalogs: |
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| References: | Published in Gattacceca J., McCubbin F.M., Grossman J., Bouvier A., Chabot N.L., D'Orazio M., Goodrich C., Greshake A., Gross J., Komatsu M., Miao B., and Schrader D. (2022) The Meteoritical Bulletin, No. 110. Meteorit. Planet. Sci. 1-4
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| Geography: |
Statistics: This is 1 of 9914 approved meteorites from (Northwest Africa) (plus 1841 unapproved names) | ||||||||||||||||||||||||||||||||