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. 2008 Jul 30;3(7):e2791. doi: 10.1371/journal.pone.0002791

Figure 9. Composite stratigraphic section of the formations along the Gaillard Cut, Panama Canal Basin, showing lithostratigraphy and palaeoenvironmental interpretations, based on stratigraphic relationships illustrated in Figure 6.

Figure 9

“Data Source” indicates the stratigraphic sections used to compile the composite section. L.C.F. = Las Cascadas Formation. E.L. = Emperador Limestone. P.M.F. = Pedro Miguel Formation. Abbreviations at the base of the section represent grain size (C = Clay; S = Silt; Sd = Sand; G = Gravel).