After garrisoning these new places, Valdivia returned to his base at Concepción in 1552 where rich placer gold mines were found in the Quilacoya River valley.
当这些新地方都被驻扎好了军队之后，巴尔迪维亚于1552年回到了他在康塞普西翁的基地，之后他在该地区的基拉科亚河谷发现了富饶的黄金砂矿场。