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Systematic Mapping of Bedrock and Habitats along the Florida Reef Tract—Central Key Largo to Halfmoon Shoal (Gulf of Mexico)

USGS Professional Paper 1751

by Barbara H. Lidz, Christopher D. Reich, and Eugene A. Shinn

Introduction: Table of Contents Project Overview Project Objective Geologic Setting Primary Datasets Primary Products - Overview Maps & Evolution Overview: Introduction Depth to Pleistocene Bedrock Surface Reef & Sediment Thickness Benthic Ecosystems & Environments Sedimentary Grains in 1989 Summary Illustration Index Map Evolution Overview Tile-by-Tile Analysis Organization of Report Tiles: 1, 2, 3, 4, 5, 6, 7/8, 9/10, 11 Summary Acknowledg- ments References Disclaimer Related Publications

Tile 7/8 Geography Sector-Specific Studies Geologic Highlights Margin Evolution Flooding the Florida Shelf Addendum Introduction New Evidence for Interpretation of the Nearshore Rock Ledge New Coral Reef Nuclei When Did the Upper-Slope Terrace Form? Why Did the Pleistocene Reefs Become So Imposing? Age of the Marquesas - Quicksand Ridge Ephemeral Islands and Lighthouses Introduction: Preparation of material for manuscripts written after completion of this report has led to new findings for various aspects of the reef record in Florida. So that the report can be as inclusive as possible to date, the new information is included in the Addendum section. continue to: New Evidence for Interpretation of the Nearshore Rock Ledge

Coastal & Marine Geology Program > Center for Coastal & Watershed Studies > Professional Paper 1751