Remember Syncline
Syncline Technical Terms
Syncline: A unit of folded strata that is concave upward whose core contains the stratigraphically younger rocks, and occurs at the earth’s surface. In a single syncline, beds forming the opposing limbs of the fold dip toward its axial plane. Compare - monocline, syncline, fold. SW & HP (b) [structural geology] A fold, at any depth, generally concave upward whose core contains the stratigraphically younger rocks. GG