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and GPR transect of the island. Vertical exaggeration is 17x. North is to the right and south (seaward) is to the left. Site location is shown in Figure 4.1 ...............................................................................................................................100 4.26 Mean ridge set height vs. distance along the topographic profile. Profile location shown in Figure 4.23. Mean heights taken from Figure 4.24.........................................................................................................................................101 4.27 GPR profile across St. Vincent Island. Gulf of Mexico (south) is to the left side of the figure. Vertical and horizontal scales are in meters. The red vertical lines delineate the low areas between individual beach ridges. The blue lines represent the trend of the crossbeds within each beach ridge.............................................................................................................................102 4.28 Close-up of the section of the 100 MHz GPR survey that covered site SVI 009. Site location is shown in Figure 4.1 and 4.27. South (seaward) is to left. .................................................................................................................................103 4.29 Suite mean vs. suite standard deviation .........................................................................104 4.30 Suite mean vs. suite kurtosis..........................................................................................105 4.31 Relative age versus suite kurtosis. Note: Relative age is unitless. Ridge sets were assigned numbers from 1 to 13 with the youngest represented by “1” and the oldest represented by “13” .........................................................106 4.32 Suite mean vs. suite skewness .......................................................................................107 4.33 Plot of relative age versus suite standard deviation Note: Relative age is unitless. Ridge sets were assigned numbers from 1 to 13 with the youngest represented by “1” and the oldest represented by “13”..........................................108 4.34 Tail of fines plot. Plot derived from Tanner (1991)......................................................109 4.35 Skewness vs. kurtosis. Plot derived from Tanner (1991) .............................................110 4.36 Grain size characteristics of the islands that rim the Apalachicola River mouth. The numbers from 1 to 9 correspond to the relative locations plotted in Figures 4.37 to 4.39. (Source: Balsillie, 1995).......................................111 4.37 Location relative to the Apalachicola River mouth versus mean grain size. Note: Numbers shown on the x-axis correspond to the numbered locations in Figure 4.36. (Data source: Balsillie, 1995) ........................................................112 xii
4.38 Location relative to the Apalachicola River mouth versus standard deviation. Note: Numbers shown on the x-axis correspond to the numbered locations in Figure 4.36. (Data source: Balsillie, 1995) .......................................112 4.39 Location relative to the Apalachicola River mouth versus skewness. Note: Numbers shown on the x-axis correspond to the numbered locations in Figure 4.36 (Data source: Balsillie, 1995).........................................................................113 4.40 Location relative to the Apalachicola River mouth versus kurtosis. Note: Numbers shown on the x-axis correspond to the numbered locations in Figure 4.36. (Data source: Balsillie, 1995)........................................................................113 4.41 OSL ages for samples collected from St. Vincent Island ..............................................114 4.42 St. Vincent Island progradation rates. The red solid line adapted from Balsillie and Donoghue (2004) is a comprehensive compilation of radiocarbon dated sea-level indicators for the northern Gulf of Mexico. The numerical values represent the rates of progradation of the St. Vincent Island beach ridge plain based on the OSL dated sites on the island. The blue arrows represent the OSL dates obtained during the investigation. ..............................115 A.1 Granplot analysis of sample 7.........................................................................................129 A.2 Method of SELF determination applied to sample 7 ......................................................130 A.3 Granplot analysis of sample 49.......................................................................................131 A.4 Method of SELF determination applied to sample 49 ....................................................132 A.5 Granplot analysis of sample 1.........................................................................................133 A.6 Method of SELF determination applied to sample 1 ......................................................134 A.7 Granplot analysis of sample 011206-06..........................................................................135 A.8 Method of SELF determination applied to sample 011206-06.......................................136 A.9 Granplot analysis of sample 28.......................................................................................137 A.10 Method of SELF determination applied to sample 28 ..................................................138 A.11Granplot analysis of sample 46......................................................................................139 A.12 Method of SELF determination applied to sample 46 ..................................................140 A.13 Granplot analysis of sample 38.....................................................................................141 xiii
Page 1 and 2: THE FLORIDA STATE UNIVERSITY COLLEG
Page 3 and 4: ACKNOWLEDGEMENTS I would like to th
Page 5 and 6: 4. RESULTS Laboratory Analyses ....
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: 4.17 Site SVI 023. a) Trench. b) Sa
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
Page 21 and 22: 4) To further develop Optically Sti
Page 23 and 24: the rate of erosion or deposition a
Page 25 and 26: esult of the buildup of offshore ba
Page 27 and 28: Recent studies of barriers using Gr
Page 29 and 30: and, therefore, sea level) (Dorsey,
Page 31 and 32: Holocene Sea Level Over 900 Holocen
Page 33 and 34: first is that sea level rose steadi
Page 35 and 36: Figure 1.2. Beach ridge sets on St.
Page 37 and 38: -100 Figure 1.4. Pleistocene glacia
Page 39 and 40: Figure 1.6. The Apalachicola River
Page 41 and 42: Figure 1.8. Global sea-level histor
Page 43 and 44: K and L have crest elevations of ap
Page 45 and 46: Geoarchaeology The earliest inhabit
Page 47 and 48: Oyster Pond Figure 2.1. Infrared or
Page 49 and 50: Figure 2.3. St. Vincent Island shor
Page 51 and 52: Pickalene Middens Paradise Point Si
Page 53 and 54: At each vibracore or trench locatio
Page 55 and 56: luminescence signal equivalent to t
Page 57 and 58: Application of OSL to Coastal Studi
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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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