Bubbly Jikharra 001, Achondrite HED Eucrite. Super vesicular. - 15.42 g - (1)
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NWA Bubbly Jikharra 001, una meteorita eucrita HED super vesicular, procedente de Ajdabiya, Libia, pesa 15,42 g.
Resumen redactado con la ayuda de la IA
Descripción del vendedor
Jikharra 001 29°58’08.2’’ N, 21°52’05.0’’ E
Ajdabiya, Libya
Purchased: 2022
Classification: HED achondrite (Eucrite, melt breccia)
History: Numerous fragments reportedly totalling at least 2.5 metric tons, and possibly more that 3 T, were recovered in Northeastern Libya. Fifty kg of it were subsequently purchased by the main mass holder from a meteorite dealer in Libya.
Physical characteristics: Many brownish fragments some of which with small patches of fusion crust.
Petrography: Achondritic melt breccia composed of several cm-sized lithic clasts set in abundant recrystallized shock melt. Lithic clasts consist of calcic plagioclase and aggregates of fine-grained, 30-70 µm sized pigeonite crystals displaying patchy compositional zoning. The melt matrix is composed of recrystallized pigeonite displaying mottled compositional zoning and fine-grained, mostly fibrous feldspar. Minor phases include silica, Ti-chromite, ilmenite, and FeS. No metallic iron has been detected.
Geochemistry: patchily zoned pigeonite: Fs50.1±1.5Wo11.6±1.7 (Fs48.1-53.4Wo6.9-13.3, FeO/MnO=27-31, n=12); calcic plagioclase: An90.2±0.7 (An88.9-91.3, n=10)
Shock stage: high
Weathering grade: moderate
Classifier: A. Greshake, MNB.
This lot comes with certificate of authenticity.
Thanks for your interest.
Jikharra 001 29°58’08.2’’ N, 21°52’05.0’’ E
Ajdabiya, Libya
Purchased: 2022
Classification: HED achondrite (Eucrite, melt breccia)
History: Numerous fragments reportedly totalling at least 2.5 metric tons, and possibly more that 3 T, were recovered in Northeastern Libya. Fifty kg of it were subsequently purchased by the main mass holder from a meteorite dealer in Libya.
Physical characteristics: Many brownish fragments some of which with small patches of fusion crust.
Petrography: Achondritic melt breccia composed of several cm-sized lithic clasts set in abundant recrystallized shock melt. Lithic clasts consist of calcic plagioclase and aggregates of fine-grained, 30-70 µm sized pigeonite crystals displaying patchy compositional zoning. The melt matrix is composed of recrystallized pigeonite displaying mottled compositional zoning and fine-grained, mostly fibrous feldspar. Minor phases include silica, Ti-chromite, ilmenite, and FeS. No metallic iron has been detected.
Geochemistry: patchily zoned pigeonite: Fs50.1±1.5Wo11.6±1.7 (Fs48.1-53.4Wo6.9-13.3, FeO/MnO=27-31, n=12); calcic plagioclase: An90.2±0.7 (An88.9-91.3, n=10)
Shock stage: high
Weathering grade: moderate
Classifier: A. Greshake, MNB.
This lot comes with certificate of authenticity.
Thanks for your interest.
Datos
Número de artículos
1
Nombre del meteorito
Bubbly Jikharra 001, Achondrite HED Eucrite.
Tipos de meteoritos
Super vesicular.
Suplemento
Do not reserve price.
Peso
15,42 g
País de origen
NWA
Vendido por
