. Bulletins of American paleontology. 318 Bulletin 357 BOCAS DEL TORO BASIN Sec-t I oi-i 1^ Va I I en"t"e Pen i nsu I a, Tono Cays 55 0 51 0 53 0 52 0 51 0 50 0 19 0 18 0 17 0 16 0 15 0 11 0 13 0 12 0 11 0 10 0 33 D 38 0 37 0 36 0 35 0 31 0 33 0 32 D 31 0 3D 0 29 0 28 0 27 0 2B 0 25 0 21 0 23 0 ZZ 0 21 0 ZO 0 19 0 18 0 17 0 16 0 15 0 11 0 13 0 12 0 iJl 0 10 0 9 0 B 0 7 0 & 0 5 0 PPP number LIthoIogy Description m OQQQQQOOOginnn 1895 1G% ISSB 1999 1900 1905 1906 1907 190B "â r^^i-'-'^S' -" ^%' - '^'" - ^ â ^ _ - _^ - _ ^. -. '>^>»*,"T^-*5i:v*i :^ :SL SL
. Bulletins of American paleontology. 318 Bulletin 357 BOCAS DEL TORO BASIN Sec-t I oi-i 1^ Va I I en"t"e Pen i nsu I a, Tono Cays 55 0 51 0 53 0 52 0 51 0 50 0 19 0 18 0 17 0 16 0 15 0 11 0 13 0 12 0 11 0 10 0 33 D 38 0 37 0 36 0 35 0 31 0 33 0 32 D 31 0 3D 0 29 0 28 0 27 0 2B 0 25 0 21 0 23 0 ZZ 0 21 0 ZO 0 19 0 18 0 17 0 16 0 15 0 11 0 13 0 12 0 iJl 0 10 0 9 0 B 0 7 0 & 0 5 0 PPP number LIthoIogy Description m OQQQQQOOOginnn 1895 1G% ISSB 1999 1900 1905 1906 1907 190B "â r^^i-'-'^S' -" ^%' - '^'" - ^ â ^ _ - _^ - _ ^. -. '>^>»*,"T^-*5i:v*i :^ :SL SL 5: s. ^^^5 o^!^ ^-^^-i ^ -6!."" ^" -J^ ^ o o o o o' o. FINGER ISLAND NANCY POINT FDRflATION SILTY SANDSTONE Dark blue-groy, muddy, volcanic Abundont Fine shell hosh, sparsely scattered, diverse mollusks Pervosive bioturbation, prominent concretion horizons and Thai ass mo ides burrow systems NO EXPOSURE iOm TORO CAYS TOBABE SANDSTONE C SANDSTONE Massive blue-groy, volcanic, shelly, with pervasive burrowing (tubes l-3cm in diameter), mottling Sparsely shelly disorticuIoted Pecten. mellitid echinoids Scattered granules, pebbles of basalt, colcified burrow systems in middle 20cm ChonneTs with coarse, laminated shelly sandstone ond lorge np-up clay clasts 5x30cm large shell-filled burroHS (vertical) High energy, sha I I ow, nearshore, rap idly depos i ted CONGLOMERATE Volcanic, polymict, ongu I or pebbles, mixed volcanic and carbonate, poorly sorted CIasts becoming cobbles (vol conic) at base, some thick she I led mo I lusks SANDSTONE Ton weothering, volcanic, massive, with mixed volcanic and carbonate grams, pervos ive burrows Tho loss i no ides system in middle of unit, 6-10-cm shell horizons m lower part Strongly ribbed, thick-she Med bivolves SANDSTONE Grey-blue, volconic, massive, with colciFied burrow systems throughout unit, many long, straight, neor-verticaI tubes, sparse shells, eIaborate go I Ieries CONGLOMERATE Volconic, rounded cobbles, morkedly coars
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