1) Formation 2) Geological formation 
==Formation== Monoclines may be formed in several different ways (see diagram) ==Examples== http://bio-geo-terms.blogspot.com/2006_12_01_bio-geo-terms_archive.html ...
• (n.) A monoclinal fold.
An open, step-like fold in rock over a large area.
A local steeping of an otherwise uniform gentle dip.
The S-shaped fold connecting two horizontal parts of the same stratum at different elevations. Its c
Mon'o·cline noun (Geol.) A monoclinal fold. 
A bend or fold in gently dipping horizontal strata.
A fold in layered rock that creates a slight bend.
A set of rock layers that all slope downward from the horizontal in the same direction.
noun a geological formation in which all strata are inclined in the same direction
A simple fold, described as a local steepening in strata with an otherwise uniform dip.
a monoclinal structure or fold.