[[file:exploring-for-stratigraphic-traps_fig21-5.png|left|thumb|{{figure number|1}}From unpublished data by R.C. Tobin, 1987.]] | [[file:exploring-for-stratigraphic-traps_fig21-5.png|left|thumb|{{figure number|1}}From unpublished data by R.C. Tobin, 1987.]] |