Parnaiba Basin References Parnaiba Basin region, South America Ask Anything Homework Help Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: South America/ Events in the Mesozoic…increase in subsidence in the Parnaiba and Paraná intracratonic basins, where deposits of Triassic age have been recovered from core samples. Read More…increase in subsidence in the Parnaiba and Paraná intracratonic basins, where deposits of Triassic age have been recovered from core samples. Read More