- 期刊
Sedimentological Investigations of the Shengli River-Changshe Mountain Oil Shale (China): Relationships with Oil Shale Formation
並列摘要
Recently a new oil shale belt was discovered in the Changshe Mountain area, northern Tibet, China. This belt, combined with the oil shale zone found in the Shengli River area, represents a large marine oil shale resource in China. Three facies associations have been recognized concerning the deposition of oil shale in the Qiangtang basin: fluvial-delta, tidal flat-lagoon and shallow marine facies associations. Oil shales were mainly deposited in lagoonal environments. The deposition of the Shengli River-Changshe Mountain oil shale may be controlled by many factors, such as sea level change, differential palaeotopography and palaeoclimate change. Sea level rise and consequent marine incursion may change the aquatic environment of pre-existing lagoon. Differential palaeotopography may control the lateral distribution of oil shale seam, while palaeoclimate change may be partially responsible for the vertical facies change from oil shale to gypsum-salt deposition.
並列關鍵字
無資料延伸閱讀
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