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
Constitution of Paraguay Constitution of Paraguay The Republic of Paraguay is governed under the constitution of 1992, which is the country's sixth since independence from Spain in 1811. The recorded history of Paraguay began in 1516 with the failed expedition of Juan Díaz de Solís to the Río de la Plata estuary, which divides Argentina and Uruguay. After further voyages of conquest, Paraguay became another of Spain's South American colonies. Paraguay finally gained its independence from Spain in 1811. The Constitutional Governmental Regulations, approved by the Congress of Paraguay two years after its independence from Spain in October 1813. The Constitutional Governmental Regulations