...古地理演化；聚煤作用；正常海退；强制性海退 [gap=2113]Keywords : Ordos Basin；Carboniferous-Permian coal measures；paleogeographic evolution；coal accumulation；normal regression；forced regression ..
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鄂北下二叠统含气层段沉积相划分及古地理演化。
Sedimentary facies division and paleogeographic evolution of gas-bearing intervals in lower Permian in northern Ordos basin.
根据羌塘盆地侏罗系古地理特征及沉积演化模式，建立了适合于本区的侏罗系综合沉积模式。
At last, according to the palaeogeography characteristic and sedimentary evolution model, the general sedimentary facies model of Jurassic in Qiangtang basin was founded.
为研究该区湖泊演化、气候变化、古地理变迁及第四系划分等提供了新资料。
The new data have been provided for the lake evolution, the climate change, the paleogeographic changes and the divide Quaternary period.
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