Geology of Paraguay Basin. These tholeiites were erupted in the Early Cretaceous in association with the initial opening of the South Atlantic. The Cretaceous volcanism did also created minor outcrops of potassic alkaline volcanics in a graben structure developed between Asunción and Villarrica and in Amambay Department. Cretaceous volcanism did also left small units of sodic alkaline rocks in Misiones Department in southern Paraguay. Geology of Paraguay The country of Paraguay lies geologically at the borderzone between several cratons. Due to thick Cenozoic sediment cover and regolith development few outcrops are available in Paraguay. East of Paraguay River that Precambrian and Early Paleozoic
Paraguay other neighboring countries, especially those currently governed by leftist leaders, as a coup d'état. However, the Organization of American States, which sent a mission to Paraguay to gather information, concluded that the impeachment process was not a coup d'état, as it had been carried out in accordance with the Constitution of Paraguay. From August 2013 to 15 August 2018, the President of Paraguay was Horacio Cartes. Since 15 August 2018 the current President of Paraguay is Mario Abdo Benítez. Paraguay is divided by the Río Paraguay into two well differentiated geographic regions. The eastern region (Región Oriental); and the western