Determine the geographic extent of elkhorn coral populations in the past. Sample subfossil elkhorn corals for radiometric dating.
Location
Dry Tortugas National Park
Summary
Performed diver surveys to locate sub-fossil A. palmata reefs. GPS locations of identified sites were noted and 10 coral rock samples were taken using a hammer and chisel.
Info derived
Hand samples from sub-fossil Acropora palmata (elkhorn coral), GPS coordinates of locations with subfossil A. palmata.