Preface / W.e. Bonini, R.b. Hargraves, And R. Shagam -- Acknowledgments -- Map Of Geologic Provinces In The Caribbean Region / J.e. Case, T.l. Holcombe, And R.g. Martin -- Caribbean Tectonics And Relative Plate Motions / Kevin Burke [and Others] -- Seafloor Spreading Magnetic Anomalies In The Venezuelan Basin / N. Ghosh, S.a. Hall, And J.f. Casey -- Plate Tectonic Evolution Of The Caribbean Region In The Mantle Reference Frame / R.a. Duncan And R.b. Hargraves -- Magmatic Rock Series And High-pressure Metamorphism As Constraints On The Tectonic History Of The Southern Caribbean / Dirk J. Beets [and Others] -- Caribbean Structural Break And Plate Movements / Peter H. Mattson -- Seismic Reflection Profiles Across The Southern Margin Of The Caribbean / John W. Ladd [and Others] -- Magnetic Provinces In Western Venezuela / William E. Bonini -- Basement And Paleozoic Rocks Of The Venezuelan Llanos Basins / Gustavo Feo-codecido [and Others] -- The Geology Of The El Pilar Fault Zone And Adjacent Areas In Northeastern Venezuela / Richard C. Vierbuchen -- The Urica Fault Zone, Northeastern Venezuela / Stuart E. Munro And Foster D. Smith, Jr. -- Structure And Cenozoic Tectonics Of The Falcón Basin, Venezuela, And Adjacent Areas / Karl W. Muessig -- Paleomagnetic Data On The Basic Igneous Intrusions Of The Central Falcón Basin, Venezuela / Karl W. Muessig -- Cenozoic Tectonic History Of The Sierra De Perijá, Venezuela-colombia, And Adjacent Basins / James N. Kellogg -- Jurassic La Quinta Formation In The Sierra De Perijá, Northwestern Venezuela: Geology And Tectonic Environment Of Red Beds And Volcanic Rocks / William B. Maze -- K-ar Ages On Hornblende-andesites From The Sierra De Perijá Western Venezuela / Gideon Steinitz And William B. Maze -- Paleomagnetic Results From The Jurassic La Quinta Formation In The Perijá Range, Venezuela, And Their Tectonic Significance / W.b. Maze And R.b. Hargraves -- Preliminary Paleomagnetic Results From The Jurassic Rocks Of The Santa Marta Massif, Colombia / William D. Macdonald And Neil D. Opdyke -- Paleomagnetic Results From Rhyolites (early Cretaceous?) And Andesite Dikes From Two Localities In The Ocana Area, Northern Santander Massif, Colombia / R.b. Hargraves [and Others] -- Structural Style, Diapirism, And Accretionary Episodes Of The Sinú-san Jacinto Terrane, Southwestern Caribbean Borderland / Hermann Duque-caro -- Late Cretaceous Condensed Sequence, Venezuelan Andes / Santosh K. Ghosh -_ Late Cenozoic Guayabo Delta Complex In Southwestern Maracaibo Basin, Northeastern Colombia / Franklyn B. Van Houten And Harold E. James -- Late Tertiary Tectonic History Of The Táchira Depression, Southwestern Venezuelan Andes / Carlos Macellari -- Late Cenozoic Tectonic Environments Of The Central Venezuelan Andes / Robert Giegengack -- Mesozoic-pleistocene Fission-track Ages On Rocks Of The Venezuelan Andes And Their Tectonic Implications / B.p. Kohn [and Others] -- Tectonic Implications Of Cretaceous-pliocene Fission-track Ages From Rocks Of The Circum-maracaibo Basin Region Of Western Venezuela And Eastern Colombia / R. Shagam [and Others] -- K-ar Hornblende Ages From El Chacao Complex, North-central Venezuela / E.h. Hebeda [and Others] -- Results And Preliminary Implications Of Sixteen Fission-track Ages From Rocks Of The Western Caribbean Mountains, Venezuela / B.p. Kohn, R. Shagam, And T. Subieta. Edited By William E. Bonini, Robert B. Hargraves, Reginald Shagam. Two Maps And 2 Plates On Folded Leaves In Pocket. Includes Bibliographies.