Cyclostratigraphic Study of the Upper Cretaceous of Southern Tibet, <?xml:namespace prefix = st1 ns = "urn:schemas-microsoft-com:office:smarttags" /><st1:country-region w:st="on"><st1:place w:st="on">China</st1:place></st1:country-region>: A Case Study of Gongzha Section<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p>

Cyclostratigraphic Study of the Upper Cretaceous of Southern Tibet, China: A Case Study of Gongzha Section

详细信息

责任者：Ma Chao (State Key Laboratory of Geological Processes and Mineral Resources ; China University of Geosciences ; Beijing 100083 ; China) ; Wang Chengshan
刊名：Earth Science Frontiers
出版年：2009
卷期：16(5)
关键词：晚白垩世 ; Upper Cretaceous ; 旋回地层学 ; cyclostratigraphy ; 西藏 ; Tibet
页码：p.134-142
图表：6 illus., 3 tables, 41 refs.
分类号：1200
issnNo：ISSN1005-2321
isbnNo：CN11-3370/P

摘要

The Cyclostratigraphic study has become a principal tool for refinement of the geologic time scale. Compared to the Western Tethys, the Cyclostratigraphic study on the Eastern Tethys is relatively insufficient. Based on the field observation and the measurement of the bundle thickness, the authors analyzed the cycles of the orbital parameters with Fast Fourier Transport (FFT) in this paper. Generally, the sedimentation rate is in the range of 0.86～2.53 cm/ka, which increased from the bottom to the top of the strata. In addition, the result of this study is compared with the published results of Cretaceous marine sediments in Western Tethys and those from other areas in different ages, which indicates that in Eastern and Western Tethys, the shape, genesis and the cycles of the orbital parameters of Cretaceous marine strata are similar. Finally, a suggestion for further research is given.

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