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
Pedro Juan Caballero, Paraguay Pedro Juan Caballero, Paraguay Pedro Juan Caballero () is a Paraguayan city located in the Amambay Department of which it is the capital. The city lies on the border with the Brazilian city of Ponta Porã in the state of Mato Grosso do Sul and is known as a centre for cheap electronic and consumer goods, and also as a centre for drug smuggling. This city is the highest city in Paraguay at 670 m (2201 ft) above sea level and is named after Pedro Juan Caballero. Pedro Juan Caballero counts with the Dr. Augusto Roberto Fuster International Airport and