marine origin of oil

基本解释

The rocks in which oil is found are of marine origin too.
發現石油的巖石以前也是在海中的。
The principal compositions of soluble materials of the Ordovician oil field water in Tahe oilfield are consistent with sea water, suggesting its marine origin.
塔河油田奧陶系油田水的可溶物質主要成分與海水一致，表明其主要爲海相成因。
Study on the discovery history and origin mechanism has a certain theoretical and practical significance on oil-gas exploration of marine limestone developed basin.
研究這類油藏的發現史和成因機制，對海相灰巖發育盆地的油氣勘探有一定的理論和實際意義。