Technical Publications


Transactions of

The 3rd Geological Conference of

The Geological Society of Trinidad & Tobago

and
The 14th Caribbean Geological Conference
Held in
Port of Spain, Trinidad
July 16 - 21, 1995

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Volume 1

Introduction
Chairman's Opening Address - W Ali xix
Prime Minister's Opening Address - Hon. P. Manning xxi
Dedication xxiv
Biography of John Saunders - H. C. Potter xxv
Memorial to Carlos Schubert 1938-1994 - T. W Donnelly xxviii
List of Delegates xxxii
List of Exhibitors xxxv


Seismology/Vulcanology

Contemporary seismicity of Montserrat, West Indies. (Abstract) Ambeh, WB., Lynch, L..L., Chen, J. and Robertson, R.EA.

The stratigraphy and age of the White Hall-Sugar Loaf sequence, St. Eustatius. Schellekens, J. H., Smith, A. L. and Roobol, M. J.

2 Flank failure or caidera collapse on an island arc volcano? A digital elevation study of the Qualibou Depression, St. Lucia. (Abstract) Mattioli, G. and Jaramillo, L.

13 A 2000 year B.P. Plinian eruption from Mt. Pelee, Martinique: distribution, grain size characteristics and implications for future volcanic hazards. (Abstract) Smith, A. L.. Wright, J. V. and Roobol, M. J.

14 Evidencias historicas de actividad sismotectonica y manifestaciones de inestabilidad
geologica en el Alto de Pedernales, entre Venezuela y Trinidad. Rodriguez, J.A., Audemard, F., Singer, A. and Beltran, C. 15

Petroleum Geology


A structural interpretation of the Penal/Barrackpore/Mandingo fold form: implications for hydrocarbon exploitation. (Abstract) Inniss, F. 26

Exploitation of Forest and Cruse highstand deltaic reservoirs in the eastern Guapo field area, Trinidad. (Abstract) Wharton,

S. 27 Thin bed evaluation of the Lower Herrera member within existing oilfields in south Trinidad. Ramroop, C., and Ali, R.

28 Las manifestaciones superficiales de hidrocarburos en Cuba: sus relaciones con las unidades tectonoestratigrafias y yacimientos gasopetroliferos. (Abstract) Cala, EL.

63 Petrophysical Characterization of Hydrocarbon Beds in a Well in North Cuba Using the GEONUC Code for Well Logging Interpretation.
Rodriguez, N., Frias, D., Garcia, C., McCalla, R., Castillo, G. and Sotolongo, A.

64 High Resolution Biostratigraphy/Paleontology New Venezuelan Cretaceous sedimentary units from the Serrania del Interior: equivalence with Trinidad, W.I. Macsotay, 0. and Vivas,

V. 70 The aminostratigraphic potential of rhizoconcretions associated with late Quaternary aeolianite, southern Jamaica (Abstract). Maharaj, D.

79 Evolution of the foraminiferal genus Lepidocyclina: significance for Eocene high resolution biostratigraphy. (Abstract) Robinson, E.

80 Distribution and stratigraphy of the El Rayo limestone lenses in the San German and Sabana Grande quadrangles, Ca6o Rojo-San German structural block, southwestern Puerto Rico. (Abstract) Santos, H., Cuevas, D. and Quinones, E.

81 High frequency solar and geophysical cycles in varved, biosiliceous sediments of the late Eocene Yumaque Formation, Peru. (Abstract) Frantz, EL.

82 Cretaceous echinoid fossils from central Hispaniola and Jamaica. (Abstract) Draper, G., Donovan, S. K. and Lewis, J.F.

83 Radiolarian biostratigraphy of the Navet Formation at Jackson Hill, southern Trinidad, West Indies. (Abstract) Maurasse, F. J-M..R. and Keens-Dumas, J.

84 Radiolarian biostratigraphy of the Conset Bay Series, Barbados, West Indies. (Abstract) Cuevas, ED. and Maurasse, F.J-M.R.

85 Palaeoenvironrnental interpretation of the Late Miocene and Pliocene of Trinidad based on micropalaeontological data. Jones, R. w

86 Environmental Geology and Natural Hazards Earthquake-induced landslides in the Jamaican Neogene plate boundary zone. (Abstract) Ahmad, /R.

102 Geological and hydrogeological factors in the selection of hazardous waste disposal sites in Trinidad, W.I., a review of desk and field assessments of six sites. (Abstract) Marshall, K.

103 Use of sediment Coprostanol and N-isotope levels in monitoring of sewage contamination of tropical coasts. (Abstract) Coakley, J. P. and Risk, M. J-

104 Public attitudes about Caribbean Coastal Area Management. (Abstract) Oostdam, B. 105


The interpretation of the historical record of earthquakes in Portmore, St. Catherine, Jamaica, W.I. (Abstract) Phillip-Jordan, C. 106


Natural hazards in St. Vincent and the Grenadines: the occurrence and effects of natural hazards on a small island nation in the eastern Caribbean. Robertson, R. 107

Una experiencia de manejo preventive de riesgos de deslizamientos de tierra en zona marginal: el caso de la urbanizacion Nueva Tacagua, Venezuela. (Abstract) Diaz, J. F. 123

Seismology/Environmental Geology (Poster Session)


Jamaica earthquakes 1973 to 1994: trends and forecasts. (Abstract) Wiggins-Grandison, M.D. 124

lnvestigaciones neotectonicas y paleosismologicas en la Falla de El Pilar y en los otros grandes sistemas de fallas sismogenicas del Nororiente de Venezuela. Beltran, C., Rodriguez, J.A. and Singer, A. 125

1992 beach questionnaire survey, Trinidad and Tobago and Jamaica. (Abstract) Oostdam, B., Weiss, G. and Billeter, P.A. 135

Report on a recent eruption of the mud volcano, Devil's Woodyard, South Trinidad. (Abstract) Wharton, S. and Hudson, D. 136

Altered meteorite fragments in an impact breccia layer at the Cretaceous-Tertiary boundary in Haiti. (Abstract) Sen, G. and Maurasse, F. J-M. R. 137

Integrated Coastal Area Management and Public Perceptions in the Caribbean Islands. Oostdam, B. and Billeter, P. 138

Stratigraphy (Poster Session)


Foraminifera from the Southern Caribbean - Atlantic Province. Radford, S. 163

Temperate marginal marine invertebrate assemblage in a late Pleistocene carbonatic sequence in northeastern Venezuela. (Abstract) Macsotay, O., Campos Villaroel, R. and Peraza, T 179

Upper Jurassic biostratigraphy of Cuba based on deep wells. (Abstract) Femandez-Carmona, J. and Blanco-Bustamente, S. 180

The Genus Chiloguembelina in the Paleogene of Trinidad. Radford, S. 181

Igneous/Metamorphic Petrology


Pressure-temperature evolution of low-grade alkali-amphibole-bearing assemblages of the Mt. Hibernia schists, Blue Mountains, Jamaica. (Abstract)


Willner, G., Willner, A. P., Maresch, W V. and Schreyer, W 184 Especificacion petrologo-geoquimica de la asociacion ofiolitica de Holguin (NE Cuba) y la posicion de la litosfera de origen. (Abstract) Jozsef, A. 185


Melange structure of the Sierra Bermeja, Puerto Rico. (Abstract) Joyce, J. and Lopez, A. 186 Amphibolites and associated rocks of the Rio Verde complex in the Median belt, central Hispaniola-, their petrologic, structural and tectonic significance in the emplacement of the Loma Caribe peridotite. (Abstract) Levvis, J. and Draper, G. 187

The petrology of ultramafic and mafic igneous rocks from the Blue Mountain inlier, Jamaica. Jackson, T., Scott, W P. and Smith, T. E 188

Caribbean Granitoids. (Abstract) Lidiak, E and Jolly, W 198

Mineralogy and petrology of the Miocene-Pliocene Aguacate volcanic rocks of Costa Rica. (Abstract) Weiland, TJ. and Suayah, 1. 199

Geological features and petrological interpretation of the Cenozoic voicanism from the Sajama Region, western Andes of Bolivia. (Abstract) Avila-Salinas, W A. 200

Structural Geology


Mapa estructural del basamento en Cuba a la escala 1:500,000. (Abstract) Betancourt, J.P., Arriaza Femandez, G. and Otero,R. 201

New data from the Northern Range, Trinidad bearing on recent motions along its southern boundary. (Abstract) Weber, J. and Speed, R. 202

Estudio de estructuras de sobrecorrimientos por datos de pozos en la costa norte Cut)ana. (Abstract) Dominguez, A.H. and Rios, J. M. 203

Wrench tectonics in the geology of Cuba. (Abstract) Socorro, R.. T. and Lopez, S.A. 204

Evidencias geomorfologicas de actividad neotectonica a Io largo de los corrimientos frontales de la Serrania del Interior en el Oriente Venezolano.
Singer, A., Beltran, C. and Rodriguez, J.A. 205

Neotectonic structures and paleostress in south-central Hispaniola. (Abstract) Ramirez, M. I., Draper, G., Smith, L., Homafius, a S., Munthe, J. and Gordon, M. 214

Thrust deformation in the Maimon Belt and Los Ranchos Formation, central Hispaniola: Evidence for early Cretaceous ophiolite emplacement.
emplacement. Draper, G., Gutierrez, G. and Lewis, J. F. 215

The Bonao fault zone, Hispaniola: a re-evaluation. (Abstract) Dominguez, H. and Draper, G. 230

Stratigraphic pattern of piggyback basins within the area of the southern Barbados wedge. (Abstract) Huyghe, P., Griboulard, R., Faugeres, J. C., Gonthier, E and Bobier, C. 231

Shelf northeast of Trinidad: Neogene structural development. (Abstract) Smith-Horowitz, P. L., Speed, R. C. and Rowley. K C. 232

Preliminary Observations on Quaternary Reverse Faulting along the Southern Foothills of Trinidad Northern Range. Beltran, C. 233


Computer Applications and Geological Modelling

GIS and GIS data structures for geological applications. (Abstract) Edwards, W 240 Efectividad de la aplicacion del sistema modular GEONUC para la interpretacion compleja de los registros geofisicos de las secuencias productoras de hidrocarburos en un pozo de la costa norte de Cuba. (Abstract) Rodriguez Martinez, N., Frias Suarez, D., Pena Sicilia, R., Garcia Hernandez, C., McCalla Mora, R., Castillo Maro, G. and Sotolongo Garcia, A. L. 241

A GIS-based landslide mitigation system for the Caribbean - Part 1: rationale and database requirements. (Abstract) Rogers, C. T. and Opadeyi, J. 242

Structural and maturity modelling in thrustbeits, with application to the western Alps, France. (Abstract) Sassi, W, Deville, W, and Mascle, A. 243

Processing of seismic data from overthrust areas in Latin America: some success stories. (Abstract) Tilander, N.G. and Mitchel, R. G. 244

Determinacion de parametros que caracterizan las propiedades de rocas colectoras en el reservorio Pina Garcia, C., Frias, D., Milian, F. and Rodriguez, N. 245

Marine Geology and Oceanography


Contribution of in situ observations to sedimentary analysis, structural evaluation and kinematics of present day tectonic deformation on the southern part of the accretionary prism of the Lesser Antilles. (Abstract) Griboulard, R., Faugeres, J., Huyghe, P., Bobier, C., Gonthier, E., Deniau, Y. and
Welsh, R. 253

Shallow hydrocarbon migration and seafloor seepage, offshore Samaan Field, southeastern Trinidad. (Abstract) Wood, L. J. and Nash, G. J. 254

The effects of relative sea level changes on coarse-grained sediment deposition within a coastal fan - North Oropouche Fan, Caroni Basin, Trinidad.
Seegobin, S. 255

Holocene transgression at Discovery Bay, Jamaica. (Abstract) Martinez, J.A. 268 90 Ma of ocean and climate history: ocean drilling returns to the Caribbean. (Abstract) Leckie, R. M., Sigurdsson, H., Droxier, A. W, Peterson, L. C., Abrams, L., Carey, S. and DHondt, S. 269

Recent paleo-coral reefs of the northwestern peninsula of Trinidad: implications for marine oceanographic conditions in the Gulf of Paria. (Abstract)


Chen, J., Bonair, K. and Kenny, J. 270 Geometry of Supra-prism Basins of Southern Barbados Wedge. Huyghe, P., Morette, L., Griboulard, R. Faugeres J. C. and Mugnier, J. L. 271

Igneous and Metarnorphic Petrology/Marine Geology (Poster Session)


Profundidad y temperature del emplazamiento de los granitoides Cretacicos de Cuba Central. (Abstract) Sukar, K. and Perez, M. 294


Evolucion de los granitoides del arco volcanico paleogeno de Cuba (Sierra Maestra). (Abstract) Perez, M., Sukar, K., Lewis, J. and Rodriguez, R. 295


Evolucion de la asociacion volcano-plutonica del arco Cretacico en Cuba central. (Abstract) Diaz de Villalvilia, L. and Sukar, K. 296


The southern part of the Lesser Antilles accretionary prism-. a model of active deformation. (Abstract) Griboulard, R., Bobier, C., Huyghe, P., Faugeres, J.C., Gonthier, E. and Morette, L. 297


Facteurs controlant les formations superficielles sur la plate-forme insulaire de la Martinique (Petites Antilles Francaises) Durand, F. and Augris, C. 298


Computer Applications and Geological Modelling (Poster Session)


Successful application of 3D seismic transform models to predict stratigraphy, offshore eastern Trinidad. (Abstract) Ortrnann, K. and Wood, L. 321


3D post stack data enhancement - SE Darien, Trinidad. (Abstract) Garossino, P., Scheet, R., Farmer, S., Marturt, K., Gutowski, P., Sharp, J. and Bailey, J. 322


Seismic amplitude analysis of the lower Cruse sands, southwest Soldado, Trinidad. (Abstract) Dupigny, A. and Charles, D. 323


Workstation applications in Samaan Field development, Trinidad and Tobago, West Indies. (Abstract) May, B.I. and Trout, M.F. 324


The lmmortelle horizontal oil well program: using new technologies to optimize results. (Abstract) Lanan, B., Mohammed, S. and Therry, D. 325


Cross section of Northern Trinidad. (Abstract) Speed, R. C. 326

 


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