What does "Anticline" mean? Anticline is a fold with strata sloping downward on both sides, from a common crust. In an anticline the older rocks will be at the center, while the new rocks will be on the outside. This A shape structure forms when A shape when crustal deformation occurs as a result of mountain building.
Anticlines can be very interesting to oil-exploration geologist because anticlines from large oil traps. “ A typical oil and gas reservoir. Oil is trapped by an impermeable cap rock, and rests within a porous reservoir rock.”