2011•Dizhi tongbaoRequires access

A study of detrital zircons of Late Carboniferous-Middle Triassic strata in the northern margin of North China block and its geological implication.

Shouxian Ma, Qing‐Ren Meng, Yongqiang Qu

Abstract

利用碎屑锆石U-Pb年龄和Hf同位素对平泉地区晚石炭世一中三叠世地层进行物源分析,重塑内蒙古隆起的隆升历史,进而探讨古亚洲洋的闭合过程.5个样品的LA-ICP-MS碎屑锆石U-Pb年龄由5个年龄峰组成:峰1中晚二叠世(270～250Ma)、峰2晚石炭世一早二叠世(325～290Ma)、峰3泥盆纪(400～360Ma)、峰4古元古代(1900～1700Ma)和峰5新太古代-古元古代早期(2600～2...

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Key concepts: Geology, Carboniferous, Margin (machine learning), Paleontology, China, Block (permutation group theory), Geochemistry, Archaeology