An isopach map (/ˈaɪsoʊpæk/) illustrates thickness variations within a tabular unit, layer or stratum. Isopachs are contour lines of equal thickness over...

stratum illustrating the subsurface topographic trends of the strata. Isopach maps detail the variations in thickness of stratigraphic units. It is not...

Isopach maps use isopachs (lines of equal thickness) to illustrate variations in thickness of geologic units. In discussing pollution, density maps can...

does cause an increase in seismic amplitude which can be used with an isopach map to determine net pay. In the mid-1980s the Ekofisk field as a whole and...

Geology, Southern Illinois University Press. Outerbridge, W.F., 2003, Isopach map and regional correlations of the Fire Clay tonstein, central Appalachian...

recorded from 1966 to 1970, coupled with well data defined lithofacies and isopach maps indicating large delta systems. Relative amplitude seismic profiles reveal...

there was a basement high area gently dipping to the north identified by isopach maps. Thus sediment thickened quickly to the south. To the north strata changed...

Figure 2. Detailed isopach map for Yinggehai basin. Modified after Hoang et al., 2010...

Callide Coal Measures, being deposited in a comparatively stable basin. Isopach maps of the Precipice Sandstone indicate two distinct areas of sediment accumulation...

An isopach map of the Ordovician graptolitic argillite deposits in northern Estonia, indicating thickness in meters...