A black,organic-rich shale could likely serve as either of which two necessary types of rocks within oil fields?
A)source rock or seal rock
B)reservoir rock or seal rock
C)source rock or reservoir rock
D)reservoir rock but not source rock

Question

Quizplus · Accepted Answer

A black, organic-rich shale is a good source rock because it contains a lot of organic matter that can be converted into oil and gas. It is also a good seal rock because it is impermeable, which means that it does not allow oil and gas to escape.

A Black,organic-Rich Shale Could Likely Serve as Either of Which