Chapter 2 Primary Sedimentary Structures ● Main types of bedding O Determination of younger direction of beds from primary structures Types of stratigraphic break Angular unconformity O Soft sedimentary structuresChapter 2 Primary Sedimentary Structures ● Main types of bedding ● Determination of younger direction of beds from primary structures ● Types of stratigraphic break ● Angular unconformity ● Soft sedimentary structures