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

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:
Bedrock Surface map.
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
Satellite image of the Florida Keys showing location of tiles.
Organization of Report
Tiles: 1, 2, 3, 4,
5, 6, 7/8, 9/10,
11
Summary
Acknowledg-
ments
References
Disclaimer
Related
Publications

Table of Contents

Project Overview
      Introduction
      Mapping the Florida Reef Tract
Project Objective
Geologic Setting
Primary Datasets
      Introduction
      Seismic Profiles—Data Acquisition and Processing
      Seismic Profiles—Data Integration
      Aerial Photomosaics
      Thin Sections of Surface Sediments
Primary Products
      Introduction
      Overview Map—Depth to Pleistocene Bedrock Surface
      Overview Map—Reef and Sediment Thickness
      Overview Map—Benthic Ecosystems and Environments
      Overview Map—Sedimentary Grains in 1989
      Overview Map—Summary Illustration Index Map
      Evolution Overview—Coral Ages and Shelf-Edge Models
            Introduction
            Seven Coral Reef Ecosystems
            Two Coral Reef Architectures
Organization of Report
      Tile-by-Tile Analysis
      Data Limitations
      Overall Setting and Environment
Tile 1
      Geography
            Tile 1 Coordinates
            Major Geographic Sites
      Sector-Specific Studies
            Hydrology
      Geologic Highlights
            Rodriguez Key
            Sinkhole
            Captain Roy's Reef
            Grecian Rocks
            Key Largo Dry Rocks
            Mosquito Bank, White Bank, Coral-Rock Ridges, and French Reef
            Carysfort Reef
            The Elbow
            Molasses Reef and Little Molasses Island
            Pickles Reef
Tile 2
      Geography
            Tile 2 Coordinates
            Major Geographic Sites
      Sector-Specific Studies
            Sclerochronology
      Geologic Highlights
            Nearshore Rock Ledge
            Plantation, Windley, and Lignumvitae Keys
            Tavernier Key
            Conch Reef
            Davis and Alligator Reefs
Tile 3
       Geography
            Tile 3 Coordinates
            Major Geographic Sites
      Sector-Specific Studies
            Tidal Passes and Pleistocene Riverbeds
            Sedimentary Petrology
      Geologic Highlights
            Tennessee Reef
Tile 4
      Geography
            Tile 4 Coordinates
            Major Geographic Sites
      Sector-Specific Studies
            Topographic Features in Bedrock
      Geologic Highlights
            East Sister Rock
            Moser Channel
            East Washerwoman Shoal and Other Patch Reefs in Hawk Channel
            East Turtle Shoal
            Coffins Patch
            Delta Shoal and Sombrero Key Reef
Tile 5
       Geography
            Tile 5 Coordinates
            Major Geographic Sites
      Sector-Specific Studies
            Bands of Outer-Shelf Coral-Rock Ridges
       Geologic Highlights
            Moser Channel
            Bahia Honda Channel
            Ramrod, Torch, and Big Pine Keys
Tile 6
      Geography
            Tile 6 Coordinates
            Major Geographic Sites
      Sector-Specific Studies
            Marine Sanctuaries, Marine Archaeology, and Looe Key Reef
            Marine Sanctuaries
            Marine Archaeology
            Looe Key Reef
      Geologic Highlights
            Saddlebunch Keys
            West Washerwoman
            American, Maryland, and Pelican Shoals
            Eastern Sambo
Tile 7/8
      Geography
            Tile 7 Coordinates
            Tile 8 Coordinates
            Major Geographic Sites
      Natural Stressors: Atmospheric, Terrestrial, and Oceanic Sources
                  Introduction
                  Natural Stressors
                  Atmospheric Sources
                  Terrestrial Sources
                  Oceanic Sources
                  Hurricanes, Storm Surge, and Rising Sea Level
       Geologic Highlights
            Boca Chica Key, Key West, Fleming Key, and Urbanization
            Middle Sambo, Western Sambo, and Eastern Dry Rocks
            Rock Key and Sand Key Reefs
       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 - Quicksands Ridge
       Ephemeral Islands and Lighthouses
Tile 9/10
      Geography
            Tile 9 Coordinates
            Tile 10 Coordinates
            Major Geographic Sites
      Sector-Specific Studies
            Impact of Exploratory Oil Wells on Benthic Habitats off Florida
                  Well Site D/E-1
                  Well Site 826Y
                  Well Site A
                  Well Site C
                  Well Site B
                  Well Site G4950
                  Well Site G3906
      Geologic Highlights
            Boca Grande Key, Boca Grande Channel, and the Marquesas Keys
            Cosgrove Shoal and Coalbin Rock
Tile 11
      Geography
            Tile 11 Coordinates
            Major Geographic Sites
      Geologic Highlights
            The Marquesas - Quicksands Ridge
            Ellis Rock and New Ground Shoal
            Halfmoon Shoal
            Rebecca Shoal
            The Quicksands
Summary
      Modern Reefs and the Rock Record
            Limestone Compaction
            Ancient Reefs
      Fate of the Present Coral Reef Ecosystem
Acknowledgments
References
Disclaimer
Related Online Publications

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

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