Lagunas Norte differs from many other large high- sulphidation epithermal gold deposits of the Andes in that a majority of the known resource is contained within Cretaceous siliciclastic sedimentary rocks, and a relatively small portion is within the Tertiary volcanic sequence that is the primary host elsewhere (e.g., Yanacocha, Pierina). The main host rock sequence at Lagunas Norte consists of quartz sandstones and subordinate interlayered mudstone, siltstone, and carbon-rich siltstone, correlated with the Lower Cretaceous Chimú Formation (Lewis, 2002).

The Lagunas Norte mineralization occurs in the southeast portion of the Alto Chicama property. The mineralization is finely disseminated and is hosted mostly by siliclastic sedimentary strata.

The mineralization within the present pit extends for approximately two kilometres in the north-northwest direction by approximately two kilometres in the east-northeast direction and for more than 200 m vertically.

Mineralization is the result of multiple volcanic and hydrothermal events. It is hosted in both the Tertiary volcanics of the Calipuy Group and the underlying Cretaceous sedimentary rocks of the Chimú Formation. The alteration associated with the mineralization is typical of a highsulphidation epithermal environment, characterized by silica (SiO 2 ), surrounded by alunite [KAl3(SO4)2(OH)6], dickite [Al2Si2O5(OH)4] and pyrophyllite [Al2Si4O10(OH)2]. Trace elements typically associated with th ........

No mining, ore rehandling from stockpiles. 80% of main equipment has been secured and fully paid.

Phase 1 of the project has been safely commissioned and is producing material to be stacked and leached in the existing stockpiles.

The mine has been in continuous production since March 2005 and up until June 2021, the mine was operated by Barrick Gold Corporation, and has produced over 10 Moz of gold.

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