The Baetic Depression ( Spanish : Depresión Bética or Depresión del Guadalquivir ) is an alluvial plain in the lower valley of the Guadalquivir in Andalusia , Spain .
7-670: It is a large triangular-shaped area in the Guadalquivir basin oriented roughly northeast to southwest with its vertex in the east-northeast and its outlet in the Gulf of Cádiz . The Baetic Depression in the Guadalquivir basin is mostly flat land and divides the Sierra Morena to the north from the Baetic System to the south. It is a typical lateral depression of the type that forms amidst Alpine mountain ranges, similar to
14-843: Is the arm of the Atlantic Ocean between Cabo de Santa Maria , the southernmost point of mainland Portugal ; and Cape Trafalgar on the Spanish coast at the western end of the Strait of Gibraltar . Two major rivers , the Guadalquivir and the Guadiana , as well as smaller rivers, like the Odiel , the Tinto , and the Guadalete , reach the ocean here. The Gulf of Cádiz is located in
21-464: The extensive mud volcano fields of the Gulf of Cádiz was first reported in 2003. There were found mainly pogonophoran worms, but also gastropods and bivalves, polychaetes, crustaceans and echinoderms. There were also recorded dead corals of genera Madrepora and Lophelia . The chemosymbiotic bivalves collected from the mud volcanoes of the Gulf of Cádiz were reviewed in 2011. There were reported
28-450: The following species of chemosymbiotic bivalves of Solemyidae : Acharax gadirae , Solemya elarraichensis ; Mytilidae : Bathymodiolus mauritanicus , Idas sp.; Lucinidae : Lucinoma asapheus ; Thyasiridae : Thyasira vulcolutre , Spinaxinus sentosus ; Vesicomyidae : Isorropodon perplexum , Isorropodon megadesmus , Callogonia cyrili , Christineconcha regab , Laubiericoncha chuni and Pliocardia sp. There
35-401: The north-eastern Atlantic Ocean between 34°N and 37°15′N and 6°W to 9°45′W. It is enclosed by the southern Iberian and northern Moroccan margins , west of Strait of Gibraltar . The geological history of the Gulf of Cádiz is intimately related to plate tectonic interaction between Southern Eurasia and North Africa and is driven by two major mechanisms: It is now well established that
42-687: The valley of the Ebro , the Po River valley in Italy or the Upper Thracian Plain in Bulgaria . 37°15′N 6°10′W / 37.250°N 6.167°W / 37.250; -6.167 This Spain location article is a stub . You can help Misplaced Pages by expanding it . Gulf of C%C3%A1diz The Gulf of Cádiz ( Spanish : Golfo de Cádiz , Portuguese : Golfo de Cádis )
49-548: The whole area is under compressive deformation and that mud volcanism and processes associated with the escape of hydrocarbon -rich fluids sustain a broad diversity of chemosynthetic assemblages . The accretionary wedge formed by subduction represents an extensive area which encompasses over forty mud volcanoes (a type of cold seep ), at depths ranging from 200 to 4,000 m (660 to 13,120 ft) (confirmed by coring), and active methane seepage has been documented on several locations. The occurrence of chemosymbiotic biota in
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