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Bioptical microcycles of laminated speleothems from China and their chronological significance |
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| Authors: | Ming Tan Xiaoguang Qin Linmei Shen Xianfeng Wang Yongjin Wang Tieying Li Linhua Song Laihong Wang Dongsheng Liu |
| Institution: | 1. Laboratory of Speleothem and Paleoclimatology, Institute of Geology, Chinese Academy of Sciences, 100029, Beijing, China 2. Benxi Scenic Spots Resources Administration Bureau, 117100, Benxi, China 3. College of Geography, Nanjing Normal University, 210097, Nanjing, China 4. Beijing Geological Survey Institute, 102206, Beijing, China 5. Institute of Geography, Chinese Academy of Sciences, 100101, Beijing, China 6. Scenic Spots Administration Section of Zhejiang Yaolin Cave, 311515, Tonglu, China |
| Abstract: | Interfaces of microlayers, in most stalagmites from China, consist of opaque and organic materials. Observed with microscope, the interfaces seem dark under transmitted light and luminiferous under reflected fluorescent light. Stalagmites in which the two optical characters are unified spatially would be most suitable for cross-dating use, and can play an important role in the study on speleochronology and speleoclimatology. |
| Keywords: | natural clock stalagmite bioptical microlayer cross dating |
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