内蒙古扎鲁特旗查干楚鲁特白音高老组英安岩锆石U-Pb年龄

基金项目:

中国地质调查局项目“内蒙古区域地质调查片区总结与服务产品开发” 12120113013200

详细信息

Zircon U-Pb age of Baiyingaolao Formation dacite in Chaganchulute of Zhalute Banner, Inner Mongolia

1.
Inner Mongolia No.8 Institute of Geology and Mineral Exploration and Development, Wuhai 016000, Inner Mongolia, China
2.
Inner Mongolia No.8 Geological and Mineral Exploration and Development Co. Ltd., Wuhai 016000, Inner Mongolia, China
3.
Inner Mongolia Key Laboratory of Magmatic Mineralization and Ore-Prospecting, Huhhot 010020, Inner Mongolia, China
4.
Geological Survey of Inner Mongolia, Huhhot 010020, Inner Mongolia, China

图 1 研究区地质简图（a）、英安岩正交偏光显微照片（b）及LA-MC-ICP-MS锆石U-Pb年龄谐和图（c）

Qh—第四系全新统；K₁ml—下白垩统梅勒图组；K₁b—下白垩统白音高老组；J₃mn—上侏罗统玛尼吐组；J₃mk—上侏罗统满克头鄂博组；P₁ŝŝ —下二叠统寿山沟组；ξγK₁—早白垩世正长花岗岩；νK₁—早白垩世辉长岩；▲—同位素年龄采样点、年龄值及编号；Qz−石英；Pl−斜长石；Bi−黑云母

Figure 1. Geological map of the study area (a), orthogonally polarized micrograph of dacite and LA-MC-ICP-MS zircon U-Pb concordia plots

Qh-Quaternary Holocene series; K₁ml—Lower Cretaceous Meiletu Formation; K₁b—Lower Cretaceous Baiyingaolao Formation; J₃mn−Upper Jurassic Manitu Formation; J₃mk−Upper Jurassic Manketouebo Formation; P₁ŝŝ−Lower Permian Shoushangou Formation; ξγK₁—Early Cretaceous syenogranite; νK₁—Early Cretaceous gabbro; ▲—Isotopic age sampling position, age value and number; Qz-quartz; Pl-plagioclase; Bi-Biotite

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表 1 内蒙古扎鲁特旗查干楚鲁特白音高老组英安岩锆石U-Pb分析结果

Table 1 LA-MC-ICP-MS U-Pb data of the zircons from Baiyingaolao Formation Dacite in the Chaganchulute of zhaluteqi, Inner Mongolia

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