. Bulletins of American paleontology. Sections: Coates 307 NORTH COAST PANAMA Sect I on & Miguel de la Bordo, 1 Km to the East m 10 30 20 10 PPP number Lithology "%^q^o^°of^c Description. UNNAMED FORMATION CONGLOMERATIC SANDSTONE Coarse, volcanic, with ex-tenaive arthropod burrows and scattered molls Contains 6" shell bed CLATSTONE S SILTSTONE Silty and clayey, greenish grey with pervosive bioturbotion and scottered rrogmentory Togs i Is, doiDingntly mo Musks SILTSTONE Greenish, grey, clayey, with calcareous concretions Concretionary zone tends to become a continuous bed, rich in


. Bulletins of American paleontology. Sections: Coates 307 NORTH COAST PANAMA Sect I on & Miguel de la Bordo, 1 Km to the East m 10 30 20 10 PPP number Lithology "%^q^o^°of^c Description. UNNAMED FORMATION CONGLOMERATIC SANDSTONE Coarse, volcanic, with ex-tenaive arthropod burrows and scattered molls Contains 6" shell bed CLATSTONE S SILTSTONE Silty and clayey, greenish grey with pervosive bioturbotion and scottered rrogmentory Togs i Is, doiDingntly mo Musks SILTSTONE Greenish, grey, clayey, with calcareous concretions Concretionary zone tends to become a continuous bed, rich in whole mollusks CLAYEY SILTSTONE Intensely burrowed, with frequent onostomosing orthropod burrows 1-1 5"-diameter Mony lonqitudinol ond straight burrows 1>20 cm) NORTH COAST PANAMA Sect I on 7 Boca de Concepcion, 0 5 Km to the East m 8 0 70 60 50 10 3 0 I 0 10 PPP number Lithology Description. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Paleontological Research Institution (Ithaca, N. Y. ); Columbia University. Ithaca, N. Y. , Paleontological Research Institution [etc. ]


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