Meteorito NWA 14131. HED, Eucrite - 7.44 g - (1)
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O meteorito NWA 14131 é um único Eucrita (HED) proveniente do noroeste de África, com origem perto de Nouadhibou, Mauritânia, pesando 7,44 g e acompanhado de certificado de autenticidade.
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Descrição fornecida pelo vendedor
Northwest Africa 14131 (NWA 14131)
Purchased: 2021 May
Classification: HED achondrite (Eucrite)
History: The meteorite was purchased from a group of meteorite 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 meteorite 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.
Dados
Número de itens
1
Nome do meteorito
Meteorite NWA 14131.
Tipos de meteorito
HED, Eucrite
Suplemento
Do not reserve price.
Peso
7,44 g
País de origem
NWA
Vendido por
