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

Table 2. Sr chemostratigraphic analyses of the Cuelbra Formation, Panama.

Sample Taxon Latitude Longitude Member 87Sr/86Sr Std. error % Std. error (external) Age estimate (Ma) Std. error (Ma)
Pan8 Coral 9°04.661′N 79°40.627′W Emperador 0.708386 0.001 0.000023 20.99 0.71
Pan9 Coral 9°04.661′N 79°40.627′W Emperador 0.708371 0.0008 0.000023 21.24 0.44
Pan6 Pectinid 9°04.661′N 79°40.627′W Lower 0.708404 0.0008 0.000023 20.62 0.58
Pan7 Pectinid 9°04.661′N 79°40.627′W Lower 0.708386 0.0008 0.000023 20.99 0.46
Pan10 Bivalve 9°04.468′N 79°40.522′W Lower 0.70825 0.0008 0.000023 23.07 0.53
Pan4 Ostrea sp. 9°03.099′N 79°39.350′W Upper 0.708502 0.0008 0.000023 19.12 0.42
Pan5 Pectinid 9°03.099′N 79°39.350′W Upper 0.70845 0.0007 0.000023 19.83 0.39