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Northwest Africa 13065 | |||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 13065 This is an OFFICIAL meteorite name. Abbreviation: NWA 13065 Observed fall: No Year found: 2019 Country: (Northwest Africa) Mass: ![]() | ||||||||||||||||||||||||||||
Classification history: |
This is 1 of 569 approved meteorites (plus 1 unapproved name) classified as Eucrite. [show all] Search for other: Achondrites, Eucrites, and HED achondrites | ||||||||||||||||||||||||||||
Comments: | Approved 31 Jan 2020 | ||||||||||||||||||||||||||||
Writeup![]() |
Writeup from MB 109:
Northwest Africa 13065 (NWA 13065) (Northwest Africa) Purchased: 2019 Classification: HED achondrite (Eucrite) History: The meteorite was purchased from a meteorite dealer in Morocco. Physical characteristics: Small brownish rock without fusion crust. Petrography: The meteorite is an unbrecciated fine-grained basalt predominantly composed of exsolved pyroxene and often laths-shaped calcic plagioclase with average grain sizes of about 300 μm. Pyroxene appears brownish in plane polarized light. Minor phases include silica, chromite, troilite, zircon, and metallic iron. Geochemistry: low-Ca pyroxene: Fs57.7±0.7Wo2.7±0.7 (Fs56.5-58.7Wo1.8-4.5, FeO/MnO=31-34, n=11); Ca-pyroxene: Fs25.6±0.8Wo43.0±0.7 (Fs24.6-26.9Wo41.9-43.9, FeO/MnO=28-34, n=12); calcic plagioclase: An85.7±0.8 (An84.7-87.8, n=11) | ||||||||||||||||||||||||||||
Data from: MB109 Table 0 Line 0: |
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Institutions and collections |
MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011) |
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Catalogs: |
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References: | Published in Meteoritical Bulletin, no. 109, in preparation (2020)
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Geography: |
Statistics: This is 1 of 8904 approved meteorites from (Northwest Africa) (plus 1871 unapproved names) |