10A CONFERENCIA GEOLOGICA DEL CARIBE MEMORIAS CARTAGENA DE INDIAS

10a CONFERENCIA GEOLOGICA DEL CARIBE

MEMORIAS

CARTAGENA DE INDIAS -1983

COLOMBIA

10th CARIBBEAN GEOLOGICAL CONFERENCE

TRANSACTIONS CONTENIDO - TABLE OF CONTENTS

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PALABRAS DEL SEffOR 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 Nicaragua—Eric 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 Ropain, 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 preterites 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 western 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. Lawrence, L.H. Barker, A. Soulsby, P. Payne 61

10. Preliminary results of ground magnetic and gamma radiation traverses of Toba- go, 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 Domin- ican Republic: A preliminary account and some tectonic implications — Gren- ville 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 America: Volume estimates and method of accounting — G. Wade 118 -v- Pagina

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 southern 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 (Re- sumen 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: Guate- mala and Middle America Trench - Miriam Baltuck and Tim Dixon (Abstract only) 151 22. Nicoya Peninsula of Costa Rica: an uplifted intraoceanic Fore-Arc Terrane — Neil Lundberg (Abstract only) 152 23. The geologic development of the ophiolitic basement in sourthern Central Ameri- ca-H. Gursky, R. Schmidt-Effing, M. Strebin and H. Wildberg (Abstract only) . 153

24. Use of SLAR, SIR-A and L/\NDSAT imaginery in interpretation of geologic structure and relationships of Panama — R. Stewart, J. Stewart and J. Rinker (Abstract only) 153

25. Quaternary faulting in northern Colombia — William D. Page (Abstract only). . 154 26. Diapirism, the principal stress factor in modelling the Sinu - San Jacinto Terrain, SW Caribbean borderland (NW, Colombia) — Hermann Duque-Caro (Abstract only) 154 27. Grandes faliasNW-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 (Resumensolamente) 157 32. Seismic slip rates and earthquake rupture zones in the southern Caribbean: Im- plications for plate motion and earthquake hazard in this region — Y. P. Aggarwal (Abstract only) 157

-vi- £ma 33. Mafic and ultramafic rocks of the Pacific Coast between 3°N and 12°N (Colom- bia, Panama and Costa Rica) — J. Bourgois, J. Azema, J. Tournon, 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. Biju-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 - YJ>. Valery, Snea(P),P.Le Quellec, B. Biju-Duval, A. Mascle (Abstract only) 160 37. Morphostructural study and interpretation of the front of deformation of the Barbados Ridge (Caribbean Sea) Map analisis of Sea-beam bathymetric survey - P. Fontas, J. Froidefond, R. Griboulard, J. Naudin, R. Prud'Homme (Abstract) 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 transcurrent faulting - A. Barabas (Abstract only) 162 40. El giro de La Espanola (Argumentos para crear controversia e incentivar la investigation) — Salvador E. Brewer (Resumen solamente) 162 41. Seismicity in the Hispaniola as inferred from a local sesimograph network - Tosimatu Matumoto and Pennington Wayne (Abstract only) 163

42. Aspectos de las deformaciones de distintas zonas de la Cordillera Oriental Do- minicana (Espanola, AntiUas Mayores) - L. Bourdon, B., Mercier de Lepinay J.M. Vila (Resumen solamente)i 163 43. Los plegamientos isoclinales convergentes al sur debajo del "HatiUo Trust" una ventana tectonica en un cabalgamiento del Eoceno, CordiUera Central Domini- cana - B. Mercier de Lepinay, JM. 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 CordiUera Central Domini- cana (Espanola, AntiUas Mayores) - D. Boisson, R. Bien-Aime, B. Mercier de Lepinay, J.M. Vila (Resumen solamente) 164

45. Evolution tectonica de la peninsula del sur de Haiti'(Espanola, AntiUas Mayo- res) - T. Calmus, B. Mercier de Lepinay, JM. Vila (Resumen solamente) 165 46. Prolongation de la tectonica tangential terciaria convergente al sur en la ladera meridional del Massif du Nord de Haiti', Espanola - J.M. Vila, R Bien-Ainu (Resumen solamente) 166

47. Geologic Provinces of the Caribbean Region - J. E. Case, T.L. Holcombe ar I R.G. Martin (Abstract only) 166

48. Caribbean Plate tectonics: New evidences, New conclusions - R.D. KrushensW and D.P. Elston (Abstract only) 167

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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 (Abstract 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) 168 51. Four-Phase tectonostratigraphic development of the southern 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 northern Colombia — Y.P. Aggarwal, J. Soulas, D. Garci'a (Abstract only) 171 56. Ophiolites of the northern Caribbean — G. Wadge, G. Draper, J. Lewis (Ab- stract only) 171 ESTRATIGRAFIA Y GEOLOGIA MARINA - STRATIGRAPHY AND MARINE GEOLOGY 57. Ambientes de deposito y su relation con la calidad de los mantos de carbon en la Formation Cerrejon sector "Patilla" El Cerrejon, Guajira (Colombia) - Carlos Sanchez, Luis F. Cardozo 172 58. Rib Zulia Field, Colombia - Karl W. Stauffer 193 59. The Cipero and Lengua formations and the Middle Miocene Late Miocene boundary - R. D. Liska 204 60. The biogeographic relation of tertiary larger foraminifera of Pakistan and Tri- nidad - 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 — Hernan Santos, James Joyce 216 63. Geological studies in western 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 south- east 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, Neo- gene of Haiti and the Dominican Republic - Willem A. Van den Bold 238

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66. Zonation of some Jamaican Cretaceous rocks using calcareous nannofossils— Ming - Jung Jiang, Edward Robinson 243 67. The occurrence of Miogypsinoides in Antigua, W.I. — Edward Robinson, Krishna M. Persad 250 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 Brice- no, Michel.Pujos, Georges Vernette 260 70. Influencia de la contracorriente norte colombiana para la circulation de las aguas en la plataforma continental: su action 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 ribs Magdalena y Sinu - G.A Sanchez, LM. Forero 283 72. Sediment characteristics and depositional processes on the Colombia Continen- tal Shelf within the Caribbean Sea - Georges Vernette, Sonia H. de Martinez, Jaime 0. 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. Quaternary turbidites of the Muertos Trough northeastern Caribbean Sea, Composition, source and dispersal patterns — Gary M.Forsthoff, Troy L. Holcombe 353

78. Petrology and diagenesis of Pleistocene limestones northeastern Yucatan Penin- sula, Me'xico - Carlos J. Rodriguez (Abstract only) 368 79. Adecuacion de la estratigrafia de Costa Rica a las normas de la Subcomision International de Gasification Estratigrafica (ISSC) — Peter Sprechmann (Re- sumen 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 Formation San Miguel (Mioceno, Costa Rica) — Peter Sprechmann (Resumen solamente). .', 369

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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 (Re- sumen solamente) 370

83. Neogene-Quaternary orogenic history of Northwest Colombia as reflected by the microfaunal record — Rafael Rubio, Vernon F. Hunter (Abstract only) . . . 370

84. Geologi'a de la Formation Marcelina, sector Paso Diablo, Cuenca Carbom'fera 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 — Vemon 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) . 372

87. Radiolarian stratigraphy, paleoecology and structure of the oceanic formation at Gay's Cove and Bath Cliff, Barbados — Florenti'n Maurrasse (Abstract only). 372

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 (1S80-1982) — Arcante Group and B.R.G.M. (Abstract only) 373

90. Hallazgo de amonitas coniacianas en la Cordillera Oriental Dominicana (Hispa- niola,A.ntHlas 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. Vili (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 intercalations sedimentarias del conjunto basaltico cretacico del centra de la Peninsula del Sur en Haiti, Espanola — 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. Rodngues (Abstract only) 376

96. Thermal history of Upper Cretaceous an Tertiary sediments in Jamaica: Impli-

cations for petroleum generation — K. Rodri'gues 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

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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 Pakis- tan and United States coastal plains — A.A. Kureshy (Abstract only) 378 100. Stratigraphic 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 only) . 379 103. Sedimentologia de la Plataforma Continental del Caribe Colombiano: Prime- ros resultados de los cruceros PAC (Plataforma Atlantico Colombiano) Fase IV y V — Oliver Javelaud (Resumen solamente) 380 104. Le Grand Cul de Sac Marin (Guadalupe): Caracten'sticas 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 solamente) . . . 380 105. Mixed carbonate and clastic sedimentation: north insular shelf of Puerto Ri- co — Orrin H. Pilkey and Rafael Rodriguez (Abstract only) 381 106. Petrology of beach sediments on mixed carbonate and clastic shoreline, Hell- shire Bay area, Jamaica — Malcon D. Hendry and K. Samarco (Abstract only) 381

PETROLOGIA Y GEOQUIMICA PETROLOGY AND GEOCHEMISTRY 107. Contribution of Colombian ophiolites to the Jerstanding of the Andean Tectonics — Michel Delaloye, Armando Espinosa, Jean-Jacques Wagner .... 382 108. Niveles de sulfuros volcanogenicos de Cu-Fe asociados con anfibolitas grana- ti'feras 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 Perija 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 LiUjequist, Glen Hodgson 418 112. Exploration methods for gold bearing quartz veins in tertiary volcanics, Ni- caragua - B. Troeng, A. Hesselbom, A. Steenfelt 427 113. MetaHogenesis of Puerto Rico - J.H. ScheUekens 435 114. Petrologi'a del area de Restauracion Republica Dominicana - Jorge Jimenez, John Lewis ' 445

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115. K-Ar age dates for blueschist metamorphism on the Samana Peninsula, Domi- nican Republic — James Joyce, James Aronson 454

116. The metamorphic mineralogy and P/T conditions of metamorphism of the Samana Peninsula, Dominican Republic — James Joyce 459

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, CM. Huang . . 473

119. Mineralization in Western Mediterranean ophiolites — Piera Spadea 480

120. Skarn mineralization associated with diorite emplacement, Agalteca, Hondu- ras — Will Logan and Richard Kyle (Abstract only) 488

121. Geoqui'mica y temperaturas subterraneas calculadas para el Na/K/Ca geoter- mometro de algunas fuentes termales asociadas con el volcanismo terciario - cuaternario del sur-oeste de la Cordillera Central, Colombia — Bruno Roller (Resumen solamente) 488

122. Distribution y metalogenesis de los depositos minerales de la Cordillera Orien- tal de Colombia entre los 4° y 9° latitud norte — Hernando Mendoza Forero (Resumen solamente) 489

123. Greenstone vojcanism, gold massive sulfide occurrences: Eagle Mountain - Guyana Shield - Gustav Jackson (Abstract only) . 490

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 Jr., 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. Ground water 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- rounding Rio Vivi porphiry copper deposits, Puerto Rico — Arthur H. Bara- bas (Abstract only) 494

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132. Geochemistry and petrology of high - magnesium metabasalt of the Duarte Complex, Dominican Republic — J. Lewis, G. Draper, D. Burgi (Abstract only) 495 133. Metallogeny of accreted terrranes and craton in western North America and Colombia — Albers (Abstract only) 495 134. Presentation del mapa de riesgos geologicos de Venezuela a escala Ll'000.000— A. Singer (Abstract only) 496 135. Space shuttle Columbia views the world with imaging radar: the SIR-A expe- riment — J.P. Ford (Abstract only) 496 136. Suggested schematic evolution in volcanic activity in Basse-Terre (Guadelou- pe) — 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: Pre-Conferencia. Medellin - Santa Fe de Antioquia • Dabeiba Guias: Humberto Gonzalez I. y Eduardo Alvarez (INGEOMINAS) Agosto 10-14

B: Post-Conferencia. Geologi'a general, geomorfologia y neotectonica del NW Colombiano. Guias: Hermann Duque-Caro (INGEOMINi*"); WUliam 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 Gui'a: INTERCOR Agosto 20

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