Sedimentary facies division and paleogeographic evolution of gas-bearing intervals in lower Permian in northern Ordos basin.
鄂北下二叠统含气层段沉积相划分及古地理演化。
2
The new data have been provided for the lake evolution, the climate change, the paleogeographic changes and the divide Quaternary period.
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。
3
In the Yangtze region, Ordovician paleogeographic conditions were favorable to the development of source, reservoir and seal rocks in petroleum systems.