A methodology improves the modeling of a geologic region, such as a hydrocarbon-bearing basin. The methodology comprises processing data to create a heterogeneous earth model based on a variety of data on material properties across the geologic region. The heterogeneous earth model is employed in combination with a stratigraphic model in a manner which creates a high resolution geologic-stratigraphic model. The high resolution geologic-stratigraphic model is useful for improving the analysis of hydrocarbon-bearing basins and other geologic regions.
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