Figure 5 Econ Geol '96 Figure 5. Identification of the times and locations of the Paleozoic and Mesozoic shales associated with each of the Ca/Mn groups. Lines represent the regression formulae presented in Figure 3. See Table 2 for sources of shales; all were analyzed this study.
Locations

Graph Reader set for Net 4.7.

GRAPH READER
Manganese in ppm
Calcium in ppm
Pixel X
Pixel Y


For other Browsers, reset Max-Min boxes
using values from Pixel reader.

Graph Settings (RESETABLE)
Min X
 Min Y
Max X
 Max Y