... 晚古生代 天然气成因 [gap=1641]Keywords : E′erduosi Basin, Tectonic evolution, Deep fluid, Late Palaeozoic Era, Natural gas origin ...
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In the research area, the coal series in late Palaeozoic era were mainly formed from epeiric sea - coastal plain environment.
研究区晚古生代含煤岩系主要形成于陆表海—海岸平原环境中。
Based on the study of sporopollen fossils from the coal-bearing formation of the late Palaeozoic Era in Tangyang mine field of Jining, 71 genera and 177 species of sporopollen are identified.
通过对济宁唐阳井煤田晚古生代含煤岩系中的孢粉化石的研究，共鉴定出孢粉化石71 属177种。
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