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

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2007 Figure A.23e: Inner Turner’s Hall Ridge Measured Section. 193
Framework grains Quartz Feldspar Rock Fragments Accessory Minerals Porosity* Authigenic Minerals Pore F illing P olycrystalline Monocrystalline Factured Quartz grain Quartz with recycled quartz overgrowths K Feldspar (stained yellow) tartan twinning Ca‐ Plagioclase (stained pink/red) polysynthetic twinning Na‐Plagioclase (doesn't take stain) Altered Volcanic Rock fragments‐ some pyrite, feldspars altered to clay Chert Argillaceous Rock fragments Muscovite Biotite Zircon Glauconite Pyrite Primary Intergranular Secondary Intragranular Secondary Moldic Secondary Fractured Intragranular Quartz overgrowths K aolinite Chlorite Hematite Breedy's CMRA ITR9 ITR14 SGRF1C SGRF9 SGRF11B SGRF19C WRA WRB 2 4 0 0 2 4 5 0 0 0 7 30 19 22 40 31 30 2 15 4 80 32 45 30 72 74 60 85 90 106 3 4 3 5 4 8 1 8 20 11 6 10 10 16 7 8 7 4 6 4 15 16 24 2 0 11 7 0 2 0 1 3 3 2 1 2 2 1 1 1 5 2 3 5 2 4 8 3 0 0 1 0 1 1 0 0 0 0 0 0 0 194 1 2 36 30 39 27 44 46 35 50 45 50 11 2 8 4 12 0 4 2 1 3 2 1 12 7 10 7 5 5 21 10 15 5 10 5 4 1 0 5 3 1 11 4 5 4 1 7 1 15 27 24 9 16 10 3 9 10 6 K aolinite 6 56 20 Chlorite 5 5 Grain replacement Total 200 200 200 200 200 200 200 200 200 200 Table A.1: Table shows results of point counting of the ten samples selected for petrographic examination of the Scotland Formation. Oversized Plate (11x17) requires plotter or printer with tabloid printing.
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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
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Figure 2.16c: Measured section at C
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Figure 2.18: Correlation of section
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Figure 2.21: Parallel laminated sil
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Wach, Vincent and Chaderton March 2
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Figure 2.24: Channel element identi
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WRB S N Fresh rock face exposed by
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Figure 2.28: Photograph of Diplocra
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Figure 2.31: Conglomerate with eros
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Figure 2.33: Thalassinoides trace f
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Figure 2.35: Mount All measured str
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Figure 2.37: Medium grained sand be
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Figure 2.38b: Inner Turner’s Hall
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Figure 2.38d: Inner Turner’s Hall
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Figure 2.39: Spa Hill measured stra
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Juniper Ridge, California Scotland
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Figure 3.1: Fractured quartz grain
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SGRF 1C SGRF 9C Figure 3.5: Measure
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Figure 3.8: Photo of sample SGRF 11
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Figure 3.10: Photo of sample SGRF 1
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Figure 3.12: Photo of sample WRA 16
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Figure 3.14: Photo of sample WRB 8
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Figure 3.16: Photo of sample ITR 9
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Figure 3.19: Photo of sample CMRA s
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Figure 3. 23: Composition of Scotla
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Figure 4.1: Base map showing seismi
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Figure 4.3: Channels within Unit Fi
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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
Page 201 and 202: Figure A.21: Walkers Ridge Measured
Page 203 and 204: Figure A.22b: Walkers Ridge Measure
Page 205 and 206: 2007 Figure A.23b: Inner Turner’s
Page 207: 2007 Figure A.23d: Inner Turner’s
Page 211 and 212: CRIMES, T.P., 1977, Trace fossils o
Page 213 and 214: MONTGOMERY, S.L., BARKER, C.E., SEA
Page 215 and 216: RICHARDS, M., BOWMAN, M., and READI
Page 217 and 218: WEBER, J.C., DIXON, T.H., DEMETS, C
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