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Sequence Stratigraphy of the Desert System: A Case Study of the Lower Cretaceous in the Kuqa Basin in Xinjiang, Northwestern China
被引：0
作者：
MEI Mingxiang YU Bingsong and JIN WeiguangSchool of Earth Sciences and Natural Resources China University of Geosciences Beijing
[100083
]
机构：
关键词：
sequence stratigraphy;
desert system;
Cretaceous;
Kuqa Basin;
Xinjiang;
northwestern China;
D O I：
暂无
中图分类号：
P539.2 [层序地层学];
学科分类号：
070903 ;
摘要：
<正>The Lower Cretaceous strata in the Kuqa Basin in Xinjiang are marked by a set of arid red beds. Several types of sedimentary fades can be identified in this set of arid red beds: mudstones of the plaza and intracontinental sebkha, aeolian sandstones, sandy conglomerates of the intermittent river, conglomerates of the pluvial fan, etc. These types of sedimentary facies constitute a typical desert system. Therefore, the Cretaceous strata in the Kuqa Basin provide a favorable condition for studies of sequence stratigraphic divisions of the desert system. With the rise and fall of the base level of the sedimentary basin, cyclicity is clearly revealed in stratigraphic records, which helps the identification of the third-order sequences. Based on the cyclicity in stratigraphic records, 5 third-order sequences can be found in the strata of the Early Cretaceous in the Kuqa Basin. These sequences comprise a second-order tectonic
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页码：744 / 755
页数：12
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