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TABLE OF CONTENTS List of Tables ........................................................................................................................... vi List of Figures......................................................................................................................... vii Abstract.................................................................................................................................. xix 1. INTRODUCTION AND GEOLOGICAL BACKGROUND Objectives ......................................................................................................................1 Potential Significance ....................................................................................................2 Hypotheses.....................................................................................................................3 Regional Geology ..........................................................................................................3 Apalachicola River.........................................................................................................4 Barrier Islands................................................................................................................5 Beach Ridge Formation .................................................................................................7 Sea Level Change ..........................................................................................................9 Pre-Holocene Sea Level...............................................................................................10 Holocene Sea Level .....................................................................................................12 Gulf of Mexico Sea Level Record ...............................................................................13 2. STUDY AREA 3. METHODS St. Vincent Island.........................................................................................................23 Barrier Island Evolution Inferred from Beach Ridge Patterns.....................................25 Geoarchaeology ...........................................................................................................26 Field Sampling........................................................................................................….33 Geochronology Luminescence Dating…………………………………………………………34 Advantages of Luminescence Dating for Coastal Sediment Deposits.……….36 OSL versus Radiocarbon Dating…..………………………………………….37 Application of OSL to Coastal Studies………………………………………..38 iv
4. RESULTS Laboratory Analyses ....................................................................................................38 Sediment Analyses.......................................................................................................41 Topographic Surveying................................................................................................42 Airborne Remote Sensing............................................................................................42 Ground Penetrating Radar (GPR) ................................................................................43 Sample Sites.................................................................................................................56 Surface and Subsurface Morphology of the Beach Ridge Plain Topographic Survey Results.......................................................................63 GPR Transect Results .................................................................................64 Granulometric Results .................................................................................................65 Geochronologic Results...............................................................................................68 5. DISCUSSION Surface and Subsurface Morphology of the Beach Ridge Plain................................116 Granulometric Data from the Beach Ridge Samples.................................................118 Geochronologic data from the beach ridge samples..................................................121 6. CONCLUSIONS................................................................................................................125 APPENDIX A- Granulometry Data.......................................................................................128 REFERENCES .....................................................................................................................257 BIOGRAPHICAL SKETCH .................................................................................................268 v
Page 1 and 2: THE FLORIDA STATE UNIVERSITY COLLEG
Page 3: ACKNOWLEDGEMENTS I would like to th
Page 7 and 8: LIST OF FIGURES 1.1 Location map of
Page 9 and 10: preheating is carried out on a heat
Page 11 and 12: 4.17 Site SVI 023. a) Trench. b) Sa
Page 13 and 14: 4.38 Location relative to the Apala
Page 15 and 16: A.37 Granplot analysis of sample 05
Page 17 and 18: A.83 Granplot analysis of sample 05
Page 19 and 20: ABSTRACT The goal of this investiga
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Page 31 and 32: Holocene Sea Level Over 900 Holocen
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Page 37 and 38: -100 Figure 1.4. Pleistocene glacia
Page 39 and 40: Figure 1.6. The Apalachicola River
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Page 45 and 46: Geoarchaeology The earliest inhabit
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Page 49 and 50: Figure 2.3. St. Vincent Island shor
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luminescence signal equivalent to t
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Application of OSL to Coastal Studi
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atio between the first and the fift
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Topographic Surveying Topographic s
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time elapsed between when this ener
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a) b) Figure 3.1. a) Collecting a v
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Increasing energy T CONDUCTION BAND
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Figure 3.5. Sample removed from lar
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Figure 3.7. Location of samples col
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Figure 3.9. Basis of airborne LIDAR
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Sample Sites CHAPTER 4 RESULTS A to
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SVI005 This site is located just we
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collapsed the trench. Therefore, a
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SVI025 This site is located within
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m and 3.7 m respectively. A cross s
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Vincent Island has changed little o
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(sorting). Standard deviation decre
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4,100 and 3,500 years ago. The corr
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Table 4.1 Continued Site Samples Be
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Table 4.3. Measured elevations of S
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Table 4.5. Application of Tanner’
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Table 4.7. OSL age calculations usi
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Table 4.9. Paleosealevel position e
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Figure 4.2. Example of a trench thr
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Figure 4.5. Site SVI 003. Trench ex
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a) b) 050505-01E 050505-01K 050505-
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a) b) 050505-04C 050505-04A Figure
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Figure 4.13. Site SVI 015. Vibracor
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a) b) 011006-15 011006-16 Figure 4.
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a) b) 011106-08 011106-07 011106-10
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Figure 4.21. Dutch gouge-auger core
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Figure 4.23. Line A-A’ represents
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Elevation (m) NAVD 88 5.00 4.50 4.0
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1200 +/- 100 yr 102 Figure 4.27. GP
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0.65 Set C 0.6 0.55 0.5 Set A 0.45
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6 Set B Set C Set E 5 Set A Set F S
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0.7 Set C 0.6 Set A 0.5 Set E Set F
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ENVIRONMENTS OF DEPOSITION -- SKEWN
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mean grain size (phi) 3 2.5 2 1.5 1
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SVI 015 SVI 002 SVI 003 114 SVI 004
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CHAPTER 5 DISCUSSION The beach ridg
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vibracore or trench, both of which
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Skewness can be used to identify th
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island. Another is a C-14 date of 2
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sea level. It was at this point tha
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The fourth hypothesis was that sea-
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APPENDIX A INDIVIDUAL SIEVE ANALYSI
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Berger, G., 1988, Dating quaternary
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Douglas, B., Kearney, M. and Leathe
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Jol, H.M., Peterson, C.D., Vanderbu
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Northwest Florida Water Management
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Stapor, F.W. and Tanner, W.F., 1977
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BIOGRAPHICAL SKETCH Beth Margaret F
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