北部湾盆地乌石凹陷发现晚二叠世花岗岩：来自乌石1井岩心锆石U-Pb年龄的证据

详细信息

Discovery of Late Permian granites in Wushi Sag, Beibuwan Basin: Evidence for zircon U-Pb age from cores of Well Wushi 1

Petroleum Exploration and Production Research Institute, SINOPEC, Beijing 102206, China

图 1 乌石凹陷及邻区地质简图(a)、岩心样品照片(b)、样品镜下显微照片(c)、锆石阴极发光图像(d)及锆石U-Pb年龄谐和图(e)、锆石U-Pb加权平均年龄图(f)

Figure 1. Simplified geological map of Wushi sag and adjacent areas(a), Photo of granite sample(b), Microphotograph of granite sample, (d) The cathodoluminescence images of Zircons(c), Concordia diagram of U-Pb age(e), Weighted average U-Pb age of zircon grains(f)

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表 1 乌石凹陷钻井岩性花岗岩LA-ICP-MS锆石U-Pb测试结果

Table 1 Zircon LA-ICP-MS U-Pb data of granite from Well Wushi 1

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