marine origin of oil

基本解释

The rocks in which oil is found are of marine origin too.
发现石油的岩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.
塔河油田奥陶系油田水的可溶物质主要成分与海水一致，表明其主要为海相成因。
Study on the discovery history and origin mechanism has a certain theoretical and practical significance on oil-gas exploration of marine limestone developed basin.
研究这类油藏的发现史和成因机制，对海相灰岩发育盆地的油气勘探有一定的理论和实际意义。