Copyright by Nysha Chaderton 2009 - The University of Texas at ...

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Sample Facies IGV Fracture Porosity Deformation Bands Sorting 135 Mean Phi Grain size Classification Breedy's ? 41.0% 6.0% No moderate 3.29 subarkose CMRA channel 42.0% 3.5% Yes moderate 3.39 subarkose ITR 9 lobe 38.0% 5.0% No moderate 3.66 arkose ITR 14 lobe 41.0% 3.5% No moderate 3.72 arkose SGRF 1C channel 32.5% 2.5% Yes moderate 3.56 subarkose SGRF 9C levee 28.5% 6.0% No moderate 3.7 subarkose SGRF 11B channel 32.5% 2.5% No moderate 3.56 subarkose SGRF 19C channel 32.5% 10.5% No moderate 2.97 subarkose WRA 16 channel 28.0% 5.0% No poor 1.99 quartz arenite WRB 8 channel 29.0% 7.5% No poor 2.18 quartz arenite Table 3.1: Table showing a compilation of some of the results of point counting the thin sections.
Figure 4.1: Base map showing seismic line survey and location of seismic lines used for interpretation in this study. Numbers indicate lines shown in this paper. BB- Barbados Basin TFB- Tobago Forearc Basin, LAIA- Lesser Antilles Island Arc. 136 Seismic lines inside green box were used to produce isochron maps in Figure 4.6 and 4.7
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Copyright by Nysha Chaderton 2009
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Sedimentation within the Tobago For
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Acknowledgements I would like to th
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Table of Contents List of Tables ..
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List of Tables Table 2.1: Latitudes
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Figure 2.14: Planar parallel lamina
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Figure 2.42: Coarse, cobble and peb
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Figure A.3a: Chalky Mount Ridge mea
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1. Development history of the south
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Formation. This interpretation requ
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DATA AND METHODOLOGY Extensive work
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DESCRIPTIVE METHODOLOGY Each sectio
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Two or more channel complexes stack
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These poorly sorted sands are later
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East Coast Road Although the East C
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succession of interlaminated siltst
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Mount All The beds of the Mount All
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Lobes are non-channelized bodies, 3
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Sandy units are the most resistant
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SUMMARY DEPOSITIONAL SETTING OF THE
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Chapter Three: Petrographic Analysi
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had not been buried deeply or long
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Feldspars Calcium Plagioclase Felds
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Authigenic Minerals Authigenic mine
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amounts of chlorite and kaolinite c
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Sample: WRA 16 This sample was take
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cementation is observed. A number o
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COMPARISON WITH PREVIOUS WORK Punch
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K feldspar preservation to slightly
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CONCLUSIONS 1. No quartz cementatio
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The highest point of the island, is
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STRATIGRAPHIC FRAMEWORK ONSHORE TO
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STRUCTURAL FRAMEWORK OF THE BARBADO
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Sandy material is primarily quartz
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esult of extension caused by flexur
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1994). The origin of the Oceanic Fo
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Oligocene-age sediments are deposit
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The observation of channel geometri
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Pudsey, (1982) interpreted smectite
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The interpretation of the Scotland
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Figure 1.2: Convergent margins arou
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NSF Study Lines Grenada St. Kitts S
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Figure 2.2: Generalized vertical se
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Figure 2.4: Detailed Geological map
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Figure 2.6: Photographs and illustr
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Figure 2.8: Bedsets on the channel
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S 50 m Figure 2.10: Photo-panorama
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Figure 2.13: Laminated silt and mud
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Figure 2.16a: Measured section at C
Page 99 and 100: Figure 2.16c: Measured section at C
Page 101 and 102: Figure 2.18: Correlation of section
Page 103 and 104: Figure 2.21: Parallel laminated sil
Page 105 and 106: Wach, Vincent and Chaderton March 2
Page 111 and 112: Figure 2.24: Channel element identi
Page 113 and 114: WRB S N Fresh rock face exposed by
Page 115 and 116: Figure 2.28: Photograph of Diplocra
Page 117 and 118: Figure 2.31: Conglomerate with eros
Page 119 and 120: Figure 2.33: Thalassinoides trace f
Page 121 and 122: Figure 2.35: Mount All measured str
Page 123 and 124: Figure 2.37: Medium grained sand be
Page 125 and 126: Figure 2.38b: Inner Turner’s Hall
Page 127 and 128: Figure 2.38d: Inner Turner’s Hall
Page 129 and 130: Figure 2.39: Spa Hill measured stra
Page 131 and 132: Juniper Ridge, California Scotland
Page 133 and 134: Figure 3.1: Fractured quartz grain
Page 135 and 136: SGRF 1C SGRF 9C Figure 3.5: Measure
Page 137 and 138: Figure 3.8: Photo of sample SGRF 11
Page 139 and 140: Figure 3.10: Photo of sample SGRF 1
Page 141 and 142: Figure 3.12: Photo of sample WRA 16
Page 143 and 144: Figure 3.14: Photo of sample WRB 8
Page 145 and 146: Figure 3.16: Photo of sample ITR 9
Page 147 and 148: Figure 3.19: Photo of sample CMRA s
Page 149: Figure 3. 23: Composition of Scotla
Page 153 and 154: Figure 4.3: Channels within Unit Fi
Page 155 and 156: Figure 4.5: Seismic reflection prof
Page 157 and 158: Figure 4.7 Isochron maps of the old
Page 159 and 160: Figure 4.9: Illustration of the Spe
Page 161 and 162: Figure 4.11: Illustration of Hypoth
Page 163 and 164: necessary to clear a path. Keep to
Page 165 and 166: 2006 Figure A.2a: Lidar Ridge measu
Page 167 and 168: Figure A.3b: Chalky Mount Ridge mea
Page 169 and 170: 2006 Figure A.4a: Chalky Mount Ridg
Page 171 and 172: 2006 Figure A.4c: Chalky Mount Ridg
Page 173 and 174: 2006 Figure A.6: Chalky Mount Ridge
Page 175 and 176: Figure A.7b: Measured Section of Ch
Page 177 and 178: 2006 Figure A.8a: Sleeping Giant Ri
Page 179 and 180: 2006 Figure A.9: Sleeping Giant Rid
Page 181 and 182: 2006 Figure A.11: Sleeping Giant Ri
Page 183 and 184: Figure A.13a: Sleeping Giant Ridge
Page 185 and 186: 2006 Figure A.14a: Coast Road Below
Page 187 and 188: 2006 Figure A.14c: Coast Road Below
Page 189 and 190: 2006 Figure A.14e: Coast Road Below
Page 191 and 192: 2006 Figure A.14g: Coast Road Below
Page 193 and 194: 2006 Figure A.15: Ermy Bourne Ridge
Page 195 and 196: 2006 Figure A.17: Spa Hill Fold Mea
Page 197 and 198: 2006 Figure A.19: Ermy Bourne Ridge
Page 199 and 200: Figure A.20b: Walkers Ridge Measure
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Figure A.21: Walkers Ridge Measured
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Figure A.22b: Walkers Ridge Measure
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2007 Figure A.23b: Inner Turner’s
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2007 Figure A.23d: Inner Turner’s
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Framework grains Quartz Feldspar Ro
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CRIMES, T.P., 1977, Trace fossils o
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MONTGOMERY, S.L., BARKER, C.E., SEA
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RICHARDS, M., BOWMAN, M., and READI
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WEBER, J.C., DIXON, T.H., DEMETS, C
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