Las formaciones esponjiolíticas del Dogger de la región Vasco-Cantábrica: Características y posibilidades petrolíferas
Siliceous sponges occur in the western Basque-Cantabrian region at two stratigraphic intervals: at the Lower Bajocian they appear in small mounds (less than 1 m.) isolated within a predominantly marllimestone succession; an at the Upper Bajocian (Parkinsoni Biozone) as larger bioherms and biostromes...
| Autores: | , , , |
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| Tipo de recurso: | artículo |
| Fecha de publicación: | 1989 |
| País: | España |
| Institución: | Universidad de Huelva (UHU) |
| Repositorio: | Arias Montano. Repositorio Institucional de la Universidad de Huelva |
| Idioma: | español |
| OAI Identifier: | oai:ariasmontano.uhu.es:10272/18252 |
| Acceso en línea: | http://hdl.handle.net/10272/18252 |
| Access Level: | acceso abierto |
| Palabra clave: | Fractured hydrocarbon traps Western Basque-Cantabrian basin Dogger Sponge bioherms Wrench tectonics |
| Sumario: | Siliceous sponges occur in the western Basque-Cantabrian region at two stratigraphic intervals: at the Lower Bajocian they appear in small mounds (less than 1 m.) isolated within a predominantly marllimestone succession; an at the Upper Bajocian (Parkinsoni Biozone) as larger bioherms and biostromes, within an extensive carbonate platform. The latter is up to 20 m. thick and a better hydrocarbon target than the Lower Bajocian mounds, mainly as fractured reservoirs. An example is described where local tectonics have determined a pervasive fracturation of these rocks, thus creating an important secondary porosity |
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