The diagram below illustrates a scenario in which a stratigraphic surface model (grid) has been used, in conjunction with a DEM (Digital Elevation Model), to create drainage nets for just the stream segments that correspond to a specific stratigraphic unit. These segments were then exported into the RockWorks datasheet (via the Grid -> Vector Table program) and displayed as rose diagrams by using the Utilities | Linears | Rose Diagram program. This provides a means for evaluating the structural control upon drainage as it relates to stratigraphy (e.g. drainage controlled by jointing).
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