Mining has been ongoing at Yauliyacu since 1889. In 1921 Cerro de Pasco Corp. acquired the Casapalca mine and most of the mining permits and licences. In Jan 1974 Centromin Peru a state owned company gained ownership of Casapalca. In 1997 Empresa minera Yauliyacu SA whose largest stakeholder is Quenuales International purchased the mine. Glencore gained control of the company in 2004.