The Foz do Amazonas basins covers an area of approximately 560,000 km² up to the 3,000 m isobaths. The basins are directly related to the breakup of the African and American plates during Aptian-Albian times. Recent studies and discoveries made in Guyana, northern of the basin suggest that large oil/gas accumulations must be present in the deep to ultra-deep water realm of the Northern area of the Foz do Amazonas Basin (Cassipore area).

The Basin has been explored since the 1960´s and up to now only sub commercial gas, condensates and oil accumulations have been found. The presence of active oil and gas in Tertiary and Upper Cretaceous reservoirs is a definitive proof of the existence of at least two active petroleum systems. The study provides a complete integration of geology, geochemistry and geochronological events needed for a fully integrated view of the habitat of petroleum, its petroleum systems and hydrocarbon potential.

Full references of all images are listed in the reports

1. Petroleum system summary
   1. Albian-Cenomanian
2. Source rocks chart
   1. Albian-Cenomanian
3. Oil chart
   1. Albian-Cenomanian
4. Reservoir rocks chart
   1. Albian-Cenomanian/Tertiary
5. Petroleum systems traps and seals
   1. Albian-Cenomanian
6. Petroleum system generation, migration and preservation
   1. Albian-Cenomanian
7. Conclusions and exploration risk