那里有大量的岩石有可能是由从地下冒出的混合着渗透水的岩浆泡形成的。
There were plenty of rocks that were probably made when lava bubbling from under the ground mixed with water percolating through the ground.
如果岩石是渗水的——岩石中有许多小孔，比如沙石——水将渗透过这些小孔，直到由不渗透水的岩石构成的那个层面。
If the rock is porous — has many small holes in it, like sandstone — water will sink through these holes until it reaches a layer of rock that is not porous.
所以在附近就必须具有透水的储存岩石，如砂岩和具孔隙的石灰岩，为石油和天然气提供通道和贮存场所。
And there must be a permeable reservoir rock, such As sandstone or porous limestone, to provide pAssage and storage for the oil and gAs.
岩石的透水性不如沙土。
岩石的透水性不如沙土。
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