ClipArt ETC
Sections to illustrate progressive overlap; a) in a continental series, away from the source of supply; b) in a marine series towards the source of supply.

Progressive Overlap

Sections to illustrate progressive overlap; a) in a continental series, away from the source of supply;…

Section to show normal progressive overlap of marine formations and their shoreward change from limestones to sandstones.

Progressive Overlap of Marine Formations

Section to show normal progressive overlap of marine formations and their shoreward change from limestones…

Natural and columnar sections at each end and at the center of a line 100 miles long and at right angles to the original trend of the shore. The progressive overlap and change in facies is shown. Note that in each section the clastic formation next above the crystallines is a sandstone, but that it belongs to different formations in each.

Progressive Overlap of Shore

Natural and columnar sections at each end and at the center of a line 100 miles long and at right angles…