Sequence Stratigraphic Framework of Late Paleozoic Coal Measures and Their Sedimentary Evolution in Henan Province

详细信息   

• 责任者：Hu Bin (College of Resources ＆ Environment ; Henan Polytechnic University ; Jiaozuo 454000 ; China) ; Shang Yongguo
• 刊名：Coal Geology & Exploration
• 出版年：2012
• 卷期：40(2)
• 关键词：煤系 ; coal measures ; 层序地层学 ; sequence stratigraphy ; 河南 ; Henan Province
• 页码：p.1-5, 8
• 图表：3 illus., 16 refs.
• 分类号：1004
• issnNo：ISSN1001-1986
• isbnNo：CN61-1155/P

摘要

On the basis of field observation in the Late Paleozoic outcrops of Henan Province, combined with detailed drilling information, the sequence stratigraphic framework and sedimentary evolution characteristics of the Late Paleozoic coal measures in Henan Province were studied. The results show that the Late Paleozoic coal measures in the study area can be divided into one first-order sequence （308~252 Ma）, and two second-order sequences which are divided from the bottom surface of upper limestone unit of the Early Permian Taiyuan Formation, that is the regional sedimentary discontinuous interface. In the depositional period from the Lower Shihezi Formation to the Upper Shihezi Formation, the seawater nearly receded from North China basin, so formed such a sedimentary evolution from delta-front -lower delta plain to upper delta plain in Henan Province.