Transactions of the 10th Caribbean Geological Conference
CONTENIDO - TABLE OF CONTENTS
PALABRAS DEL SENOR MINISTRO DE MINAS Y ENERGIA DE COLOMBIA
Doctor Carlos Martinez Simahan .
LISTA DE PARTICIPANTES - LIST OF PARTICIPANTS
INFORMES Y RESUMENES - PAPERS AND ABSTRACT
TECTONICA Y ESTRUCTURA - TECTONICS AND STRUCTURE
1. Plate model of the Collapsing Caribbean Margin of Nlcaragua-E ric Christofferson...1
2. Continental slope basement of Middle American Trench off Guatemala: Petrology and mineralogy of mafic and ultramafic rocks of Leg 84-Jacques - Bourguois, Alain Desmet, Jean Toumon ..........................7
3. Gravity anomalies and tectonic evolution of northwestern South America - James N. Kellogg, Valerie M. Godley, Clemente Ropa;n, Arturo Bermudez . . .18
4. The application of moving average analysis to seismic data its interpretation related to the structure of Ecuador and Colombia-J.W. Aucott ..........32
5. A plate tectonic model for the phanerozoic evolution of central and southern Colombia - W.J. McCourt, J.A. Aspden 38
6. Direcciones de esfuerzos preteritos y recientes en Colombia, especialmente en la Cordillera Oriental-Jairo Mojica (Resumen solamente) 48
7. Tipo de fallamiento en el Bloque "B" de El Cerrejon, norte de Colombia-Jaime Reyes, Luis Luna ....................................... 49
8. Magnetic provinces in westem Venezuela-William E. Bonini (Abstract only) .60
9. A geological and geophysical investigation of Barbados and the application of an Accretionary Prism model-S.R. Lavrence, L.H. Barker. A. Soulsby, P. 61
10. Preliminary results of ground magnetic and gamma radiation traverses of Tobago, West Indies - Frederick A. Wilson, Herbert Balfour .........74
11. Puerto Rico: A translated terrane exotic to the Caribbean-Donald Elston, Richard Krushensky (Abstract only) ..........81
12. Post-early Pliocene age and origin of the Puerto Rico Trench-Ramon M. Alonso- Harris, Edward A. Krieg, Arthur A. Meyerhoff ...........82
13. Petrolgy and structural development of the Duarte Complex, Central Dominican Republic: A preliminary account and some tectonic implications - Grenville Draper, John F. Lewis .....................................103
14. The Cayman Trench, an example of Caribbean wedge tectonics-Pratsch Johann Christian .....113
15. A comparison of volcanic production rates in the Lesser Antilles and Central Arnerica: Volume estimates and method of accounting-G. Wadge .........118
16. Geophysics and tectonics of the Northern Caribbean-Peter Goreau ...........134
17. La evolucion tectonica de Mexico como eslabon entre Norte y Sudamerica- Maria F. Campa-Uranga (Resumen solamente) .....
18. Northamerican-Caribbean Plate boundary in southem Chiapas, Mexico: Further evidence of neogene activity-B. Burkart, G. Moreno (Abstract only) ...........149
19. Tectonica del cinturon plegado de Chiapas y Guatemala- Gabriel Dengo (Resumen solamente).............150
20. Geology along the Cuilco-Chixoy-Polochic Fault Zone in western Guatemala- Thomas H. Anderson (Abstract only) .........151
21. Tectonics of an intersecting strike-slip and subducting plate boundary: Guatemala and Middle America Trench Miriam Baltuck and Tim Dixon (Abstract only) ......21
22. Nicoya Peninsula of Cos~a Rica: an uplifted intraoceanic Fore-Arc Terrane- Neil Lundberg (Abstract only).............152
23. The geologic development of tile oph~o'itic basement in sourthern Central America-H. Gursky, R. Schmidt-Effing, M. Strebin and H. Wildberg (Abstract only) . 153
24. Use of SLAR, SIR- A and Landsat imagery in interpretation of geologic structure and relationships of Panama-R. Stewart, J. Stewart and J. Rinker (Abstract only) ........153
25. Quaternary faulting in north~rn Colombia-William D. Page (Abstract only) . .154
26. Diapirism, the principal stress factor in modelling the Sinu - San Jacinto Terrain, SW Caribbeali border and (NW, Colombia)-Hermann Duque-Caro (Abstract only)........154
27. Grandes fallas NW-SE en el norte de Sur America y sus implicaciones en la geologia y mineralizaciones de oro y plata en la Cordillera Central de Colombia- Hernando Lozano, Alvaro Murillo (Resumen solamente) ............155
28. The Chinacota Thrust Fault System (Sierra de Santander, Colombia and Merida Andes, Venezuela)-T. Boinet, J. Bourgois, R. Vargas; H. Mendoza (Abstract). 155
29. Present-day boundary and the motion of the Caribbean Plate relative to South America-Y. P. Aggarwal (Abstract only) ...............156
30. Faulting along the north - central Venezuelan Borderland: Moron Fault Zone- Carlos Schubert (Abstract only) ..................156
31. Estudio tectonico y microtectonico de la Cordillera de la Costa, parte norte- central de Venezuela-T. Subieta (Resumen solamente) . ..........157
32. Seismic slip rates and earthquake rupture zones in the southern Caribbean: ~mplieations for plate motion and earthquake hazard in this region Y. P. Aggarwal (Abstract only) .157
33. Mafic and ultramafic rocks of the Pacific Coast between 3 N snd 12°N (Colombia, Panarna and Costa Rica)-J. Bourgois, J. Azema, J. Toumon, H. Gonzalez, B. Calle, E. Parra et J.F. Toussaint (Abstract only) .................. 158
34. Tectonic history of Barbados-Robert C. Speed (Abstract only) .. 158
35. New geological data from Barbados Island-A. Mascle, B. Bl~u-Duval, C.Muller, Y.P. Valery,P.Richert, D. Coumes, Snea (P), P. Dufaure, J. Caulet, A. Ferragne, P. Fontas (Abstract only) .........159
36. Barbados Fore-Arc: the present and past-Y.P.Valery, Snea(P),P.Le Quellec, B. Biju-Duval, A. Mascle (Abstract only) 160
37. Morphostructural study and interpretation of the front of deforrnation of the Barbados Ridge (Caribbean Sea) Map analisis of Seabeam bathymetric survey- P. Fontas, J. Froidefond, R. Griboulard, J. Naudin, R. Prud'Homme (Abstract) p. 160
38. Folding and faulting tectonics to the north of the Lesser Antilles Island Arc: Saint Martin-Jean-Roger Bonneton (Abstract only) .................161
39. Plutonic rock series in Puerto Rico and their relationship to subduction and Lower Tertiary transcumnt faulting-A. Barabas (Abstract only) ........162
40. El giro de La Espanola (Argumentos para crear controversia e incentivar la investigacion)-Salvador E. Brower (Resumensolarnente) ................162
41. Seismicity in the Hispaniola as inferred from a lacal sesimograph network- Tosimatu Matumoto and Pennington Wayne (Abstract only) ............163
42. Aspectos de las deformaciones de distintas zonas de la Cordillera Oriental Dominicana (Espaliola, Antillas Mayores)-L. Bourdon, B., Mercier de Lepinay, J.M. Vila (Resumen solamente~ ...............163
43. Los plegamientos isoclinales convergentes al sur debajo del "Hatillo Trust" una ventana tectonica en un cabalgamiento del Eoceno, Cordillera Central Dominicana-B. Mercier de Lepinay, J.M. Vila (Resumen solamente) . ..........164
44. Plegamientos isoclinales y plegamientos en chevron asociados con esquistosidad en la ladera sur del Massif du Nord de Haiti y de la Cordillera Central Dominicana (Espa~iola, Antillas Mayores)-D. Boisson, R. Bien-Aime, B. Mercier de Lepinay, J.M. Vila (Resumen solamente) ..........................164
45. Evolucion tectonica de la peninsula del sur de Haiti (Espaliola, Antillas Mayores)-T. Calmus, B. Mercier de Lepinay, JM. Vila (Resumen solamente) ....
46. Prolongacion de la tectonica tangencial terciaria convergente al sur en la ladera meridional del Massif du Nord de Haiti, Espanola-J.M. Vila, R. Bien Aimt (Resumen solarnente).....................................
47. Geologic Provincesof the Caribbean Region-J. E. Case, T.L. Holcombe ar l R.G. Martin (Abstract only) ................................166
48. Caribbean Plate tectonics: New evidences, New conclusions-R.D. Krushensky and D.P. Elston (Abstract only) .................167
49. Correlation of tectonic provinces of South America and the Caribbean Region with Magsat anomalies-E.G. Lidiak, D. Yuan, W. Hinze, M. Longacre, G. Keller (abstact only) .................167
50. The relation of pangea configurations of the Gulf of Mexico to the tectonic evolution of Meso-America - Th. Anderson, V. Schmidt, K. Ichikawa (Abstract only).....167
51. Four-phase tectonostratigraphic development of the southem Caribbean- K. Burke, A. Eva, V. Hunter, P. Mann, G. Wadge. (Abstract only)........169
52. Paleogeographic implications of devonian faunal distribution in the Circum- Caribbean area - Stephen Barrett (Abstract only) ..............169
53. El borde continental colombiano durante el Triasico - Jurasico y el origen de la Placa Caribe-Fabio Cediel (Resumen solamente) ....170
54. South American - Antillean Arc Collision and the El Pilar Fault-Robert C. Speed (Abstract only) ......................170
55. Contemporary tectonics of the Venezuelan Andes and northem Colombia- Y.P. Aggarwal; J. Soulas, D. Garcia (Abstract only) ...................171
56. Ophiolites of the northem Caribbean-G. Wadge, G. Draper, J. Lewis (Abstract only) .......171
ESTRATIGRAFIA Y GEOLOGIA MARINA -STRATIGRAPHY AND MARINE GEOLOGY
57. Ambientes de deposito y su relacion con la calidad de los mantos de carbon en la Fommacion Cerrejon sector "Patilla" El Cerrejon, Guajira (Colombia) - Carlos Sanchez, Luis F. Cardozo ............................... 172
58. Rio Zulia Field, Colombia - Karl W. Stauffer .............193
59. The Cipero and Lengua fommations and the Middle Miocene Late Miocene - R.D. Liska............204
60. The biogeographic relation of tertiary larger foraminifera of Pakistan and Trinidad - A,A, Kureshy..........210
61. The oceanic formation in the Bath Cliff section of Barbados-John B. Saunders (Abstract only)...........215
62. The geology of the Rosario area, southwest Puerto Rico-Heman Santos, James Joyce ........................216
63. Geological studies in westem Puerto Rico a new look at an old problem - J. H. Schellekens, A. L. Smith, J. Joyce ....................222
64. Paleogene stratigraphy ot the Padre Las Casas and adjacent areas in the southeast Cordillera Central Dominican Republic-John F. Lewis, P. Vespucci, E. Robinson, Min-Jung Jiang, A. Eva, A. Bryant ..............229
65. Note on the stratigraphy of the Belladere and Comendador structures, Neogene of Haiti and the Dominican Republic - Willem A. Van den Bold .......238
66. Zonation of some Jamaican Cretaceous rocks usinv calcareous nannofosills-Ming - Jung Jiang, Edward Robinson ...............250.
67. The occurrence of Miogypsinoides in Antigua, W.I. -Edward Robinson, Krishna M. Persad .................255
68. Understanding hydrocarbon formation damage-Norman H. Ammerer, Pall Well..255
69. Reconocimiento sismico en la plataforma continental de una zona del caribe colombiano (Sedimentos recientes y estructuras)-Michel Frappa, Luis Briceno, Michel Pujos, Georges Vemette .......................260
70. Influencia de la contracorriente norte colombiana para la circulacion de las aguas en la plahforma continental: su accion sobre la dispersion de los efluen tes en suspension del rio Magdalena-Michel Pujos, Oliver Weber, Jean-Luc Pagliardini, Georges Vernette, Rafael Steer ....................276
71. Aspectos geomorfologicos y cartograficos del litoral caribe colombiano entre las desembocaduras de los rios Magdalena y Sinu G.A Sanchez, L M. .........283
72. Sediment characteristics and depositional processes on the Colombia Continental Shelf within the Caribbean Sea - Georges Vemette, Sonia H. de Martinez, Jaime O. Martinez, Carmen Parada ...............303
73. Coastal regression and transgression at the junction of Serpent's Mouth and the Gulf of Paria, Trinidad - B.L. Oostdam ..................318
74. An analysis of the coastal erosion problem at Los Iros Bay Trinidad, West Indies-S. Bachew, D. Hudson, A. Gerrard ........................330
75. Beach sediments of Trinidad, West Indies -C. Georges, B. Greenidge, D. Hudson .............339
76. Nuevos datos sobre la geologia de las Islas de Aves (Venezuela), Mar Caribe Centro-Oriental-Carlos Schubert .......347
77. Quatemary turbidites of the Muertos Trough northeastem Caribbean Sea, Composition, source and dispersal pattems -Gary M.Forsthoff, Troy L. Holcombe ...........358
78. Petrology and diagenesis of Pleistocene limestones northeastem Yucatan Peninsula, Mexico - Carlos J. Rodriguez (Abstract only) ............368
79. Adecuacion de la estratigrafia de Costa Rica a las normas de la Subcomision Intemacional de Clasificacion Estratigrafica (ISSC)-Peter Sprechmann (Resumen solamente) ............368
80. Presencia de material volcano-sedimentario de edad Eoceno Medio en la Penin sula de Oso (Provincia de Puntarenas, Costa Rica)-J. Azema, J. Butterlin, J Toumon, P. De Wever (Resumen solamente)............369
81. Paleoecologia de la Formacion San Miguel (Mioceno, Costa Rica) -Peter Sprechmann (Resumen solamente) ........369.
82. Edades Paleoceno y Eoceno inferior en el norte de la Cordillera Occidental de Colombia-J. Bourgois, G. Glacon, H. Gonzalez, E. Parra, J. F. Touissant (Resumen solamente) .........................................370
83. Neogene-Quatemary orogenic history of Northwest Colombia as reflected by the microfaunalrecord-Rafael Rubio, Vemon F. Hunter (Abstract only) . . .370
84. Geologl'a de la Forrnacion Marcelina, sector Paso Diablo, Cuenca Carbonifera del Guasare, Estado Zulia, Venezuela-Oswaldo Ruiz (Resumen solamente ) . .371
85. The evolution of Tertiary to Recent major fluvial drainage system of northern South America-Vernon F. Hunter (Abstract only) ........371
86. Age, despositonal environment and tectonic significance of the Couva Marine evaporite, offshore Trinidad-Richard D. Bray, Anthony Eva (Abstract only) .
87. Radiolarian stratigraphy, paleoecology and structure of the oceanic formation at Gay's Cove and Bath Cliff, Barbados-Florentin Maurrasse (Abstract only) .
88. New geological data from Antigua Island, W. I.-D. Westercamp and Alain Mascle (Abstract only) ................372
89. New geological data from the Lesser Antilles area (19~0-1982)-Arcante Group and B.R.G.M. (Abstract only) ............................373
90. Hallazgo de amonitas coniacianas en la Cordillera Oriental Dominicana (Hispaniola,Antillas Mayores)-L. Bourdon, J. Geyssant, B. Mercier de Lepinay, et J. M. Vila (Resumen solamente) ...............................373
91. Presencia de Colomiella Recta Bonet en las calizas de la Cordillera Oriental Do minicana-L. Bourdon, J. Azema, J. M. Vila (Resumen solamente) ........374
92. Features of the stratigraphy, sedimentation, petrography and provenance of the Represa and Janico formations (Upper Tavera group) Dominican Republic, G. Groetsch and J. Lewis (Abstract only) ...........374
93. Las intercalaciones sedimentarias del conjunto basaltico cretacico del centro de la Peninsula del Sur en Haiti, Espaniola-R. Bien-Aime, D. Boisson, J. M. Vila (Resumen solamente) . .375
94. Geologic characteristics of the Massanga Rock asphalt deposits, Southern Peninsula-F. Maurrase, J. ' bert, J. Claude and A. Loctamar (Abstract only) ............375
95. Significance of isoprenoid hidrocarbons in ancient sediments, Jamaica - K. Rodrigues (Abstract only)...........376
96. Thermal history of Upper Cretaceous an Tertiary sediments in Jamaica: Implications for petroleum generation-K. Rodrigues y T. Jackson (Abstract only) 376
97. Stratigraphy and evolution of the Negril Beach, Morass and adjacent offshore sedimentary deposits, West Jamaica-Malcom D. Hendry (Abstract only) .... 377
98. Stratigraphic record of Late Quaternary benthic foraminifera of Caribbean deep basins-B. Sen Gupta and M. Gaby (Abstract only) .........................377
99. Biostratigraphic correlation of Late Cretaceous benthic foraminera of Pakistan and United States coastal plains-A.A. Kureshy (Ab~tract only) ..........378
100. Stratioraphic importance of rudists in the Middle Cretaceous around the Caribbean - K. Young (Abstract only)........378
101. Seismic reflection profiles across the southern margin of the Caribbean-J.W. Ladd, P. Buhl, M. Truchan, P.L. Stoffa, R. Houtz, M. Talwani, G. Westbrook (Abstract only) .......379
102. Depositional processes in deep-sea fans.-Suzane O'Connell (Abstract ) ....379
103. Sedimentologia de la Plataforma Continental del Caribe Colombiano: Primeros resultados de los cruceros PAC (Plataf0rma Atlantico Colombiano) Fase IV y V-Oliver Javelaud (Resumen solamente) ....................380
104. Le Grand Cul de Sac Marin (Guadalupe): Caracteristicas medio ambientales en el transcurso estacional-R. Assor, P. Carbonel, P. Castaing, Ch. Julius, J. Pons, M. Pujos, A. Saubade, J. Severac, O. Weber (Resumen solarnente) . . .380
105. Mixed carbonate and clastic sedimentation: north insular shelf of Puerto Rico-Orrin H. Pilkey and Rafael Rodriguez (Abstract only) ............381
106. Petrology of beach sediments on mixed carbonate and clastic shoreline, Hellshire Bay area, Jamaica-Malcom D. Hendry and K. Samaroo (Abstract only).........381
PETROLOGIA Y GEOQUIMICA - PETROLOGY AND GEOCHEMISTRY
107. Contribution of Colombian ophialites to the undrstanding of the Andean Tectonics-Michel Delaloye, Annando Espinosa, Jean-Jacques Wagner .................382
108. Niveles de sulfuros volcanoge'nicos de Cu-Fe asociados con anfibolitas grana tiferas de la region de Peonia-Mayorica, Yaracuy Occidental, Venezuela- Simon E. Rodriguez ..................386
109. Igneous rocks-of the La Quinta Formation in the Sierra de Periji of northwestern Venezuela: Petrogenesis and geochemistry-William B. Maze ....391.
110. The industrial mineral deposits of Barbados and their economic potential- Leslie H. Barker, Joseph M. Gordon ................412
111. Shifting of the volcanic activity during the Tertiary in Nicaragua-Robert Lilljequist, Glen Hodgson ...................................418
112. Exploration methods for gold bearing quartz veins in tertiary volcanics, Nicaragua-B. Troeng, A. Hesselbom, A. Steenfelt .....427
113. Metallogenesis of Puerto Rico-J.H. Schellekens 4354
114. Petrologfa del area de Restauracion Republica Dominicana - Jorge Jimenez, John Lewis .....................445
115. K-Ar age dates for blueschist metamorphism on the Samana Peninsula, Dominican Republic-James Joyce, James Aronson .......................454
116 The metamorphic mineralogy and P/T conditions of metamorphism of the Samana Peninsula, Dominican Republic-James Joyce ....................59
117 Summary of trace element and isotope data Late Cenozoic volcanics Hispa niola-Paul Vespucci .......467
118. The geochemistry and geochemical variations of Cretaceous andesites and dacites from Jamaica, West Indies-T.A. Jackson, T.E. Smith, C.H. Huang .....473
119. Mineralization in Western Mediterranean ophiolites-Piera Spadea 480
120. Skarn mineralization associated with diorite emplacement, Agalteca, Honduras-Will Logan and Richard Kyle (Abstract only) .................488
121. Geoqu~'mica y temperaturas subterraneas calculadas para el NalK/Ca geoter mometro de algunas fuentes termales asociadas con el volcanismo terciario cuaternario del sur-oeste de la Cordillera Central. Colombia-Bruno Koller (Resumen solamente) ..........................................488
122. Distribucion y metalogenesis de los depositos minerales de la Cordillera Oriental de Colombia entre los 4° y 9'' latitud norte-Hernando Mendoza Forero (Resumen solamente) ...........489
123. Greenstone volcanism, gold massive sulfide occurrences: Eagle Mountain Guyana Shield - Gustav Jackson (Abstract only)
124. Geochemistry and mineralogy of the Quill, St Eustatius-P. D'Arco and A.L Smith (Abstract only) ...............................490
125. Magmatology of Soufriere Massif in Guadeloupe-H. Pascaline, J.-Jeremie and R. Brousse (Abstract only) ............491
126. Influence of volcanic gases in the physicochemical composition of hot springs: example of the Soufriere Massif in Guadeloupe-Helene Pascaline and Jean Jacques Jeremie (Abstract only) ............491
127. Volcanic geology of the Mansion Series, Mt. Misery, St. Kitts-A. Smith, M. Roobol and J. Wright (Abstract only) ...........................492
128. Recent volcanic history of St. Lucia-J. Wright, M. Roobol, A. Smith, R. Sparks, S. Brazier, G. Rose .Tr., H. Sigurdsson (Abstract only) .........492
129. A comparison of volcanic production rates in the Lesser Antilles and Central America-G. Wadge (Abstract only) .......493
130. Groundwater geochemistry in the Rio Camuy area, Puerto Rico: a humid tropical karst-J. Troester, W. B. White (Abstract only) ..................493
131. Hydrothermal alteration and metasomatism of volcanogenic wall rocks sur roundin~ Rio Vivi porphyry copper deposits, Puerto Rico-Arthur H. Barabas (Abstract only).....494
132. Geochemistry and Petrology of high - magnesium metabasalt of the Duarte Complex, Dominican Republic -J. Lewis, G. Draper, D. Burgi (Abstract)........495
133. Metallogeny of accreted temanes and craton in westem North America and Colombia-Albers (Abstract only) .................495
134. Presentacion del mapa de riesgos geologicos de Venezuela a escala 1:1'000.000- A. Singer (Abstract only) ..................................496.
135. Space shuttle Columbia views the world with imaging radar: the SIR-A experiment-J.P. Ford (Abstract only) ..................497
136. Suggested schematic evolution in volcanic activity in Basse-Terre (Guadeloupe)-Jean Jacques Jeremie and Helene Pascaline (Abstract only) ........496
137. Isotopic study of hot fluids in the Soufriere Massif in Guadeloupe-J. Jeremie, H. Pascaline, G. Hammouya, B. Blavoux (Abstract only) ........496
EXCURSIONES · FIELD TRIPS
A: Preconferencia. Medellin - Santa Fe de Antioquia - Dabeiba
Guias: Humberto Gonzalez I. y Eduardo Alvarez (INGEOMINAS)
Agosto 10-14
B: Post-Conferencia.
Geologia general, geomorfologia y neotectonica del NW Colombiano.
Guias: Hermann Duque-Caro (INGEOMINAS); William D. Page (WOODWARD &
CLYDE CONS.) y Jairo Cuellar (INGEOMINAS).
Agosto 20-24
C: Post-Conferencia
Metamorfismo, plutonismo y geomorfologia de la costa NW del Macizo de Santa
Marta.
Guias: Ruben Llinas (UNIVERSIDAD NACIONAL); Dario Barrero (INTERCOL); y
Fabio Cediel (GEOTEC).
D: Post-Conferencia.
Visita a la mina de carbon de El Cerrejon-Guajira
Guia: INTERCOR
Agosto 20