During the conquest of Zacatecas rich silver mines were discovered that made Cristóbal de Oñate and his partners Diego de Ibarra and Juan de Tolosa among the richest men in New Spain. La conquête de Zacatecas et ses riches mines d'argent fit de Cristóbal de Oñate et ses associés Diego de Ibarra et Juan de Tolosa les hommes les plus riches de la Nouvelle-Espagne.
