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. Atoll research bulletin. Coral reefs and islands; Marine biology; Marine sciences. O-i 10- 20 30 40 H 50 s 60 u ,C 70 a* <D 8U Q 90 100 no 120 H 130 140 J 2B 2A m m ggg 4<? (2 g A 3^ SI (0(0 e<? a \ Q A '<? T-73- 252 se g(0 gg g g g g 3A 3B 10 20 30 - 40- 50 60 70- 80 J A, qj^ Q-A G,^ g Q < (0(0 QQ gg (0(0 gg (0(0 3B. 0 10 20 30 40 50 60 70-| 80 90-| 100 110 120 130 140 150 160 4A 4B m 3qs % -a > G-A Aq Aq Q^. 4g Gg? Aq g^ -4 c? QA% A G a Ao QQ Q ^G ft -A, G4 £A AG -A Branching Pontes spp. Montastraea cavernosa A Montastraea annularis complex A
. Atoll research bulletin. Coral reefs and islands; Marine biology; Marine sciences. O-i 10- 20 30 40 H 50 s 60 u ,C 70 a* <D 8U Q 90 100 no 120 H 130 140 J 2B 2A m m ggg 4<? (2 g A 3^ SI (0(0 e<? a \ Q A '<? T-73- 252 se g(0 gg g g g g 3A 3B 10 20 30 - 40- 50 60 70- 80 J A, qj^ Q-A G,^ g Q < (0(0 QQ gg (0(0 gg (0(0 3B. 0 10 20 30 40 50 60 70-| 80 90-| 100 110 120 130 140 150 160 4A 4B m 3qs % -a > G-A Aq Aq Q^. 4g Gg? Aq g^ -4 c? QA% A G a Ao QQ Q ^G ft -A, G4 £A AG -A Branching Pontes spp. Montastraea cavernosa A Montastraea annularis complex Acropora cervicornis ^3, Agariciasp. & Manicina areolata ^ Pontes astreoides 0 Molluscs Figure 4. Map of Twin Cays core sites with core logs. Depths above cores in meters indicate depth of top of Pleistocene below mean sea level. Depths in cores marked in cm are depths below the top of the Pleistocene section. Darker lines mark core 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 Smithsonian Institution. Press; National Research Council (U. S. ). Pacific Science Board; Smithsonian Institution; National Museum of Natural History (U. S. ); United States. Bureau of Sport Fisheries and Wildlife. Washington, D. C. : [Smithsonian Press]
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