鄂尔多斯盆地东缘长7、长8油层组波痕特征及意义

Journal of Yangtze University(Natural Science Edition)(2015)

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Abstract
通过野外地质调查,在盆地东缘延河剖面长81油层和长72油层中发现了近南北向的波痕.其中,长81油层的波痕波脊走向335~350°,迁移方向与单向优势明显,陡坡倾向朝西,为流水波痕,反映了自东向西的流向,可能指示来自湖盆东部的物源;长72油层的波痕为峰尖谷圆,对称的浪成波痕,根据其参数计算,该点的湖盆水深在8~8.99m之间.
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