Immigration to Paraguay to the 2002 census, 84,2% of immigrants in Paraguay come from Brazil and Argentina. The first Europeans to arrive in what is now Paraguayan territory were Spaniards who left a palpable cultural heritage even today. The government of Carlos Antonio López was marked by a period of international openness including immigration and attracting settlers to populate the country. Geographically, Paraguay can be divided into two parts: The Chaco or Western Region, and the Eastern Region, where Asunción is located, as well as the other main cities of the country. The Chaco is the largest region by area with about 60%
Geology of 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 crystalline basement crop out mainly in the heights of Caapucú and Apa. The geological processes that have shaped Paraguay's bedrock and sedimentary basins are diverse including rifting, marine sedimentation, metamorphism, eruption of flood basalts and alkaline potassic volcanism. Caapucú High (formerly called "Precámbrico Sur" and "Saliente del Pilar") is the Northwesternmost outcrop of Río de la Plata Craton. The rocks found