Meteorite NWA 14131. HED, Eucrite - 7.44 g - (1)
05
días
07
horas
45
minutos
53
segundos
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La meteorita NWA 14131 es un único Eucrita (HED) procedente de África Occidental Norte, originaria de las cercanías de Nouadhibou, Mauritania, con un peso de 7,44 g y certificado de autenticidad.
Resumen redactado con la ayuda de la IA
Descripción del vendedor
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.
Datos
Número de artículos
1
Nombre del meteorito
Meteorite NWA 14131.
Tipos de meteoritos
HED, Eucrite
Suplemento
Do not reserve price.
Peso
7,44 g
País de origen
NWA
Vendido por
