rate-of-change map

A derived stratigraphic map that shows the rate of change of structure, thickness, or composition of a given stratigraphic unit.

Related terms:

• lithofacies map
• isopach map
• stratigraphic map
• isofacies map
• Contour Map
• residual map
• rate of sedimentation
• Topographic Map
• ratio map
• facies map