Pilar, Paraguay Pilar, Paraguay Pilar () is the capital city of the Paraguayan department of Ñeembucú, located along the Paraguay River in the southwestern part of the country. Located about from Asunción, Pilar serves as an important center of commerce and government for the far southwestern region of the country. Pilar was founded by Pedro Melo de Portugal on October 12, 1779. The original name of the settlement was "Villa del Ñeembucú", named for the nearby Arroyo Ñeembucú that flows into the Paraguay River. Four years later it was renamed "Villa del Pilar" by Spanish priest Marcial Antonio Uliambre, for the Basilica
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