NEA 089,月球托克岩性正长岩熔融碎裂岩 这是一个非常有趣的分类;这类只有少数几个。 - 3.89 g





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NEA 089 是来自利比亚北非东北部靠近木卡伊里湖的月球型托克托利特花岗岩熔融角砾岩陨石,重量为3.89克,附带证书。
卖家的描述
Northeast Africa 089 (NEA 089)
Libya
Classification: 月球陨石(托克托岩性角长岩熔融碎砾岩)
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) 非包晶陨石熔融碎砾岩,由岩质岩屑团(可达数厘米)与矿物碎片(斜长石、橄榄石)组成,镶嵌于细晶粒且多孔的熔融物中。岩屑与熔融物以斜长石为主,橄榄石含量较少。对大岩屑的点计数显示斜长石约占80%,橄榄石约20%。未发现斜方辉石。配晶包括三铁矿和含镍金属。
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: 月球托克托岩角长岩熔融碎砾岩,基于橄榄石中的 Fe/Mn 值、斜长石中高含量的 An,以及岩屑的模态组成。
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: 月球陨石(托克托岩性角长岩熔融碎砾岩)
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) 非包晶陨石熔融碎砾岩,由岩质岩屑团(可达数厘米)与矿物碎片(斜长石、橄榄石)组成,镶嵌于细晶粒且多孔的熔融物中。岩屑与熔融物以斜长石为主,橄榄石含量较少。对大岩屑的点计数显示斜长石约占80%,橄榄石约20%。未发现斜方辉石。配晶包括三铁矿和含镍金属。
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: 月球托克托岩角长岩熔融碎砾岩,基于橄榄石中的 Fe/Mn 值、斜长石中高含量的 An,以及岩屑的模态组成。
Shock stage: high
Weathering grade: moderate
Classifier: K. Metzler, IfP.
This lot comes with certificate, thanks for your interest.

