Mestizo Uruguay has overwhelmingly become white and European (some Middle Eastern) in culture and tradition. Because of this, the term mestizo has fallen into disuse. Northern Argentina still has a predominately mestizo population, especially in the provinces of Jujuy, Salta, Tucumán, Santiago del Estero, Catamarca, La Rioja, San Juan, Mendoza, Chaco, Formosa, Corrientes, Santa Fe and Misiones, where there is also a significant population of Indigenous peoples. In Chile, from the time the Spanish soldiers with Pedro de Valdivia entered northern Chile, a process of 'mestizaje' began where white Spaniards began to mate with the local bellicose Mapuche population of Amerindians
Catamarca Province low humidity and high solar radiation. Before the arrival of the Spanish conquest, most of today's Catamarca was inhabited by the Diaguitas indigenous people, including the fierce Calchaquí tribe. In 1558 Juan Pérez de Zurita founded "San Juan de la Ribera de Londres", but since it was constantly under attack by indigenous people its population remained small; it was re-founded several times at new sites with new names. The sixth foundation was by Fernando de Mendoza Mate de Luna on July 5, 1683, with the name "San Fernando del Valle de Catamarca". When the Viceroyalty of the Río de la