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Table 4.6 – OSL age calculations Sample Site Sample Subsurface No. of U Th k Cosmic Radiation Paleodose Water Content (%) Dose Rate Age Depth (m) Aliquots (ppm) (ppm) (%) Dose (Gy/ka) (Gy) Measured Assumed Mean (Gy/ka) (ka) SVI002 072304-04B 3.46 13 0.26+/-0.04 0.39+/-0.14 0.06 0.13 0.88+/-0.07 21.6 20+/-5 0.25+/-0.01 3.5+/-0.3 SVI003 072304-05 1.93 14 0.27+/-0.03 0.30+/-0.12 0.05 0.16 0.62+/-0.06 19.9 20+/-5 0.27+/-0.01 2.3+/-0.2 SVI003 072304-06 1.37 20 0.23+/-0.02 0.42+/-0.10 0.01 0.17 0.65+/-0.10 2.3 20+/-5 0.25+/-0.01 2.6+/-0.4 SVI003 072304-07 0.82 15 0.61+/-0.07 0.96+/-0.27 0.02 0.19 0.95+/-0.08 5.6 20+/-5 0.37+/-0.02 2.6+/-0.3 SVI004 072304-08 2.75 13 0.33+/-0.04 0.36+/-0.15 0.04 0.14 0.63+/-0.07 17.0 20+/-5 0.26+/-0.01 2.5+/-0.3 SVI015 050605-01 2.04 19 0.80+/-0.04 0.39+/-0.19 0.08 0.159 1.59+/-0.09 8.05 20+/-5 0.4+/-0 4.1+/-0.3 SVI023 011006-16 1.426 17 0.58+/-0.05 0.63+/-0.22 0.02 0.197 0.43+/-0.02 4.4 20+/-5 0.4+/-0 1.2+/-0.1 SVI024 011006-19 1.722 18 0.34+/-0.02 0.34+/-0.11 0.04 0.1661 0.11+/-0.01 26.2 20+/-5 0.3+/-0 0.4+/-0.0 SVI025 011106-02 1.389 18 0.33+/-0.03 0.48+/-0.13 0.05 0.1736 0.23+/-0.02 27.8 20+/-5 0.3+/-0 0.8+/-0.1 SVI019 010906-02 beach surface 7 - - - - 0 - 20+/-5 - 0 77 * OSL age includes two-sigma uncertainty due to systematic errors such as inhomogeneous bleaching, disc to disc variations in paleodose, errors due to counting statistics in alpha counters, errors due to curve fitting and water content. * All OSL measurements and age calculations were done at the University of Georgia Luminescence Laboratory
Table 4.7. OSL age calculations using assumed moisture contents of 20+/-5% and 5+/-2% Sample Site Sample Age (ka) Age (ka) (moisture content = 20+/-5%) (moisture content = 5+/-2%) SVI 002 072304-04B 3.5+/-0.3 3.2+/-0.3 SVI 003 072304-05 2.3+/-0.2 2.1+/-0.2 SVI 003 072304-06 2.6+/-0.4 2.5+/-0.4 SVI 003 072304-07 2.6+/-0.3 2.3+/-0.2 SVI 004 072304-08 2.5+/-0.3 2.2+/-0.3 78
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THE FLORIDA STATE UNIVERSITY COLLEG
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ACKNOWLEDGEMENTS I would like to th
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4. RESULTS Laboratory Analyses ....
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LIST OF FIGURES 1.1 Location map of
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preheating is carried out on a heat
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4.17 Site SVI 023. a) Trench. b) Sa
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4.38 Location relative to the Apala
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A.37 Granplot analysis of sample 05
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A.83 Granplot analysis of sample 05
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ABSTRACT The goal of this investiga
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4) To further develop Optically Sti
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the rate of erosion or deposition a
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esult of the buildup of offshore ba
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Recent studies of barriers using Gr
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and, therefore, sea level) (Dorsey,
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Holocene Sea Level Over 900 Holocen
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first is that sea level rose steadi
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Figure 1.2. Beach ridge sets on St.
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-100 Figure 1.4. Pleistocene glacia
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Figure 1.6. The Apalachicola River
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Figure 1.8. Global sea-level histor
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K and L have crest elevations of ap
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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Page 57 and 58: Application of OSL to Coastal Studi
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Page 61 and 62: Topographic Surveying Topographic s
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Page 67 and 68: Increasing energy T CONDUCTION BAND
Page 69 and 70: Figure 3.5. Sample removed from lar
Page 71 and 72: Figure 3.7. Location of samples col
Page 73 and 74: Figure 3.9. Basis of airborne LIDAR
Page 75 and 76: Sample Sites CHAPTER 4 RESULTS A to
Page 77 and 78: SVI005 This site is located just we
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Page 81 and 82: SVI025 This site is located within
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Page 91 and 92: Table 4.1 Continued Site Samples Be
Page 93 and 94: Table 4.3. Measured elevations of S
Page 95: Table 4.5. Application of Tanner’
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Page 103 and 104: Figure 4.5. Site SVI 003. Trench ex
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Page 107 and 108: a) b) 050505-04C 050505-04A Figure
Page 109 and 110: Figure 4.13. Site SVI 015. Vibracor
Page 111 and 112: a) b) 011006-15 011006-16 Figure 4.
Page 113 and 114: a) b) 011106-08 011106-07 011106-10
Page 115 and 116: Figure 4.21. Dutch gouge-auger core
Page 117 and 118: Figure 4.23. Line A-A’ represents
Page 119 and 120: Elevation (m) NAVD 88 5.00 4.50 4.0
Page 121 and 122: 1200 +/- 100 yr 102 Figure 4.27. GP
Page 123 and 124: 0.65 Set C 0.6 0.55 0.5 Set A 0.45
Page 125 and 126: 6 Set B Set C Set E 5 Set A Set F S
Page 127 and 128: 0.7 Set C 0.6 Set A 0.5 Set E Set F
Page 129 and 130: ENVIRONMENTS OF DEPOSITION -- SKEWN
Page 131 and 132: mean grain size (phi) 3 2.5 2 1.5 1
Page 133 and 134: SVI 015 SVI 002 SVI 003 114 SVI 004
Page 135 and 136: CHAPTER 5 DISCUSSION The beach ridg
Page 137 and 138: vibracore or trench, both of which
Page 139 and 140: Skewness can be used to identify th
Page 141 and 142: island. Another is a C-14 date of 2
Page 143 and 144: sea level. It was at this point tha
Page 145 and 146: 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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