Single limestone beds are not continuous layers across the shale ... and these remains were added to the coarse and fine particles left by other organisms. The finest-grained portion of these ...

By sheer multiplication, the bacteria push oil particles off the grains of oilsand. They dissolve limestone, making the formation more porous. They generate carbon dioxide, which pushes oil ...

Solution close solutionWhen some rocks (like limestone) are easily dissolved by the water and the tiny particles of rock are held up within the water (transportation). - minerals are dissolved in ...