Southern Shelf-Edge Reefs
Jacksonville Scarp
· Similar to St. Augustine Scarp, more worn down
· Blocky, smaller boulders
· More fractured boulders, most still have clean edges
· 1-2m relief
· Small amount of sand between boulders
· Some patches of sand have ripples from strong currents
· The veneer of sand present at the reef’s edges covers a hard rock bottom
· Abundance of vase sponges, wire corals, and other sponges & soft corals
· Moderate coverage of invertebrates on exposed rock surfaces



Ph. 843-953-7946
Project Oceanica
Dept. of Geology & Environmental Geosciences
College of Charleston, Charleston, SC 29424
Fax 843-953-7850