Meteorite NWA 14131. HED, Eucrite - 7.44 g - (1)
04
giorni
22
ore
27
minuti
07
secondi
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La meteorite NWA 14131 è un unico Eucrite (HED) proveniente dall'Africa nord‑occidentale, proveniente da Nouadhibou, Mauritania, con peso di 7,44 g e accompagnata da un certificato di autenticità.
Riepilogo creato con l’aiuto dell’IA
Descrizione del venditore
Northwest Africa 14131 (NWA 14131)
Purchased: 2021 May
Classification: HED achondrite (Eucrite)
History: The meteorite was purchased from a group of meteorites hunters in Nouadhibou, Mauritania in May, 2021.
Physical characteristics: Many dark grayish fragments some of which almost completely covered with fusion crust.
Petrography: The meteorite is a coarse-grained breccia composed of up to 6 mm sized basaltic clasts and up to 2 mm sized mineral fragments set in fine-grained clastic matrix. Mineral phases are predominantly exsolved pyroxene and mostly blocky calcic plagioclase grains. Minor phases include silica, chromite, ilmenite, fayalite, and troilite. No metallic iron has been detected.
Geochemistry: low-Ca pyroxene: Fs63.5±0.7Wo2.9±1.1 (Fs62.2-64.1Wo1.6-4.8, FeO/MnO=29-31, n=5); Ca-pyroxene: Fs30.8±0.5Wo42.5±0.8 (Fs30.4-31.8Wo41.4-43.7, FeO/MnO=27-30, n=5); calcic plagioclase: An82.1±7.9 (An71.1-91.3, n=5).
Shock stage: moderate
Weathering grade: low
Classifier: A. Greshake, MNB.
This lot comes with certificate of authenticity.
Thanks for your interest.
Northwest Africa 14131 (NWA 14131)
Purchased: 2021 May
Classification: HED achondrite (Eucrite)
History: The meteorite was purchased from a group of meteorites hunters in Nouadhibou, Mauritania in May, 2021.
Physical characteristics: Many dark grayish fragments some of which almost completely covered with fusion crust.
Petrography: The meteorite is a coarse-grained breccia composed of up to 6 mm sized basaltic clasts and up to 2 mm sized mineral fragments set in fine-grained clastic matrix. Mineral phases are predominantly exsolved pyroxene and mostly blocky calcic plagioclase grains. Minor phases include silica, chromite, ilmenite, fayalite, and troilite. No metallic iron has been detected.
Geochemistry: low-Ca pyroxene: Fs63.5±0.7Wo2.9±1.1 (Fs62.2-64.1Wo1.6-4.8, FeO/MnO=29-31, n=5); Ca-pyroxene: Fs30.8±0.5Wo42.5±0.8 (Fs30.4-31.8Wo41.4-43.7, FeO/MnO=27-30, n=5); calcic plagioclase: An82.1±7.9 (An71.1-91.3, n=5).
Shock stage: moderate
Weathering grade: low
Classifier: A. Greshake, MNB.
This lot comes with certificate of authenticity.
Thanks for your interest.
Dettagli
Numero di articoli
1
Nome meteorite
Meteorite NWA 14131.
Tipi di meteorite
HED, Eucrite
Supplemento
Do not reserve price.
Peso
7,44 g
Paese d’origine
NWA
Venduto da
