EVALUACIóN GEOLóGICA Y PROSPECTIVIDAD SECTOR SINú - URABá

the sinú - urabá special area consists of four tectonic provinces. they are identified from east to west as lower magdalena valley basin (lmv), san jacinto fold belt (sjfb), sinú fold belt (sfb) and urabá basin and 46.300 km2. the lower magdalena valley is a basin with distensive tectonics which was a product of transtension; the identified plays correspond to compressional folds (over the west border of the basin), reservoir truncations due to faults, overstepping of the reservoir against the basement and basement highs. the san jacinto fold belt shows transpressive tectonics that generates rough flake reverse faults with dextral strike-slip, the plays correspond to compressional folds, reservoir truncations due to faults and locally-filled truncations of channels in incision valleys. the sinú folded belt is formed by not very clear structural and tectonic processes; and it is deformed by mud intense diapirism; the plays correspond to folds associated to early formation stages of mud diapirs, which do no break the sequence completely, reservoir truncations against the diapirs and due to sinde-positional discordances. the urabá province is subject to sinistral transpressure with development of high angle reverse faults, the identified plays correspond to facies wedging, reef growth and folds formed by reverse faults.