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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, Calvin Cooper, John F. Dewey, Paul Mann, and James L. Pindell

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, Walter V. Maresch, Gerard Th. Klaver, Annibale Mottana, Rosangela Bocchio, Frank F. Beunk, and Hendrik P. Monen

Caribbean structural breaks and plate movements
Peter H. Mattson

Seismic reflection profiles across the southern margin of the Caribbean
John W. Ladd, Marek Truchan, Manik Talwani, Paul L. Stoffa, Peter Buhl, Robert Houtz, Alain Mauffret, and Graham Westbrook

Magnetic provinces in western Venezuela
William E. Bonini

Basement and Paleozoic rocks of the Venezuelan Llanos basins
Gustavo Feo-Codecido, Foster D. Smith, Jr., Nelson Aboud, and Estela de Di Giacomo

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, R. Shagam, R. Vargas, and G. I. Rodriguez

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 Táichira 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, R. Shagam, P. O. Banks, and L. A. Burkley

Tectonic implications of Cretaceous-Pliocene fission-track ages from rocks of the circum-Maracaibo Basin region of western Venezuela and eastern Colombia
R. Shagam, B. P. Kohn, P. O. Banks, L. E. Dasch, R. Vargas, G. I. Rodriguez, and N. Pimentel

K-Ar hornblende ages from El Chacao complex, north-central Venezuela
E. H. Hebeda, E. A. Th. Verdurmen, and H.N.A. Priem

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