NEA 089, 月のトロクトライト質アノートサイト溶融角礫岩。 非常に興味深い分類だが、このタイプはごくわずかしかない。 - 1.53 g
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NEA 089 is a lunar troctolitic anorthosite melt breccia meteorite from Libya (Northeast Libya), weighing 1.53 g and dominated by plagioclase with olivine.
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Description from the seller
Northeast Africa 089 (NEA 089)
Libya
Classification: Lunar meteorite (troct. anorth. melt breccia)
History: This rock was reportedly found by falconers in June 2024 near Lake Mukhayli in northeastern Libya and was bought later by Mr. Mohamed Lamin Muftah.
Petrography: (K. Metzler, IfP) Achondritic melt breccia, consisting of lithic clasts (up to several cm) and mineral fragments (plagioclase, olivine), set in a fine-grained and vesicular crystallized melt. Clasts and melt are dominated by plagioclase, with smaller amounts of olivine. Point counting in a large clast revealed ~80% plagioclase and ~20% olivine). No pyroxene was found. Accessories are troilite and Ni-bearing metal.
Geochemistry: Mineral compositions and geochemistry: Olivine Fa18.2±1.2 (Fa16.7-20.8); mean Fe/Mn (at.): 93.2; n=16. Plagioclase An97.6±0.6Or0.1±0.1 (An96.4-98.8Or0.0-0.4); n=15.
Classification: Lunar troctolitic anorthosite melt breccia, based on Fe/Mn values in olivine, high An values in plagioclase, and modal composition of clasts.
Shock stage: high
Weathering grade: moderate
Classifier: K. Metzler, IfP.
This lot comes with certificate, thanks for your interest.
Northeast Africa 089 (NEA 089)
Libya
Classification: Lunar meteorite (troct. anorth. melt breccia)
History: This rock was reportedly found by falconers in June 2024 near Lake Mukhayli in northeastern Libya and was bought later by Mr. Mohamed Lamin Muftah.
Petrography: (K. Metzler, IfP) Achondritic melt breccia, consisting of lithic clasts (up to several cm) and mineral fragments (plagioclase, olivine), set in a fine-grained and vesicular crystallized melt. Clasts and melt are dominated by plagioclase, with smaller amounts of olivine. Point counting in a large clast revealed ~80% plagioclase and ~20% olivine). No pyroxene was found. Accessories are troilite and Ni-bearing metal.
Geochemistry: Mineral compositions and geochemistry: Olivine Fa18.2±1.2 (Fa16.7-20.8); mean Fe/Mn (at.): 93.2; n=16. Plagioclase An97.6±0.6Or0.1±0.1 (An96.4-98.8Or0.0-0.4); n=15.
Classification: Lunar troctolitic anorthosite melt breccia, based on Fe/Mn values in olivine, high An values in plagioclase, and modal composition of clasts.
Shock stage: high
Weathering grade: moderate
Classifier: K. Metzler, IfP.
This lot comes with certificate, thanks for your interest.
Details
隕石の名前
NEA 089, Lunar troctolitic anorthosite melt breccia.
隕石の種類
A very interesting classification; there are only a few of this type.
付録
Do not reserve price.
重量
1.53 g
原産国
Libya
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