Stratigraphy, geochemistry and mineralogy of Eocene rocks from the Toa Baja Drillhole

The stratigraphy of the Eocene rocks of the Toa BaJa drillhole is dominated by volcaniclastic sediments which are interbedded with marly pelagic limestones, especially in the lower part of the hole, and lava flows. Petrological, geochemical and paleontological evidence suggest that the site of depos...

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Veröffentlicht in:	Geophysical research letters 1991-03, Vol.18 (3), p.521-524
Hauptverfasser:	Smith, Alan L., Severin, K., Larue, D. K.
Format:	Artikel
Sprache:	eng
Schlagworte:	02 PETROLEUM 020200 - Petroleum- Reserves, Geology, & Exploration 580000 - Geosciences Basins CARBONATE ROCKS CENOZOIC ERA CHEMISTRY DEPOSITION DEVELOPED COUNTRIES EOCENE EPOCH EXPLORATORY WELLS GEOCHEMISTRY GEOLOGIC AGES GEOLOGIC DEPOSITS GEOLOGY GEOSCIENCES GREATER ANTILLES IGNEOUS ROCKS ISLANDS LATIN AMERICA LAVA LIMESTONE MINERAL RESOURCES MINERALOGY NORTH AMERICA PALEONTOLOGY PETROLEUM DEPOSITS PETROLOGY PUERTO RICO RESERVOIR ROCK RESOURCES ROCKS SEDIMENTARY ROCKS STRATIGRAPHY TERTIARY PERIOD USA VOLCANIC ROCKS VOLCANOES WELLS WEST INDIES
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Zusammenfassung:	The stratigraphy of the Eocene rocks of the Toa BaJa drillhole is dominated by volcaniclastic sediments which are interbedded with marly pelagic limestones, especially in the lower part of the hole, and lava flows. Petrological, geochemical and paleontological evidence suggest that the site of deposition was a deep marine basin and the source of the volcanics were subaerial or shallow submarine island arc volcanoes.
ISSN:	0094-8276 1944-8007
DOI:	10.1029/91GL00399