Kansas Geological Survey, Current Research in Earth Sciences, Bulletin 247,
part 1

**Modeling Dielectric-constant Values of Geologic Materials: An Aid to Ground-Penetrating Radar Data Collection and Interpretation--Fig. 1**

**Fig. 1. Four-dimensional representation (termed TP-model dielectric-constant space) of the TP-model input parameters (matrix mineralogy, porosity, and water saturation) and resulting bulk dielectric constant values (shown in color). The matrix mineralogy axis ( X_{m}) is the dielectric-constant value of the matrix components at zero porosity and water saturation. The locations of quartz, mica, and calcite are indicated on the X_{m} axis. For most earth materials, porosity ranges from 0% to 50%, and water saturation ranges from 0% to 100%. Calculated bulk dielectric-constant values range from greater than 4 to less than 28. The N-S_{w} planes through X_{m} = 4.5 (quartz) and X_{m} = 8.5 (calcite) are shown in fig. 2.**

Kansas Geological Survey

Web version December 3, 2001

http://www.kgs.ku.edu/Current/2001/martinez/fig1.html

email:lbrosius@kgs.ku.edu