Q80
Petroleum is generally found in ________
A.
Igneous intrusions into sedimentary strata
B.
Old fold mountains
C.
Alluvial deposits of the river valleys
D.
Folded marine sedimentary rocks
AnswerAnswer: Option D
Solution
Answer: Option D
Solution:
Petroleum is generally found in folded marine sedimentary rocks. Sedimentary rocks Petroleum may occur in any porous rock, but it is usually found in sedimentary rocks such as sandstone or limestone. Sandstones, because of the inherent porosity between their grains, often become excellent reservoirs for oil or natural gas.