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Hecla's 2013 technical report on the Lucky Friday mine at Mullan describes a 1,000 tpd crushing, ball milling and lead-zinc

First Quantum's 2016 technical report on Guelb Moghrein near Akjoujt describes a 4 Mtpa SAG and ball mill flotation plant

First Quantum's 2016 technical report on the Kevitsa mine describes a 9 Mtpa plant with two 7 MW autogenous mills,

Eldorado Gold's 2020 technical report on Kışladağ near Uşak replaces the tertiary crushers with a high pressure grinding roll circuit

Teck's 2023 technical report on Elkview near Sparwood, British Columbia describes a rotary breaker, heavy media cyclones, water-only cyclones, reflux

Aura Minerals' 2016 technical report on the Ernesto/Pau-a-Pique project in Brazil describes a 1 Mtpy plant at Ernesto that ran

Calibre Mining's 2021 technical report on the El Limón complex describes a 500,000 tpa plant with single-stage crushing, SAG and

Goldcorp's 2015 technical report on Cerro Negro in Santa Cruz, Argentina describes a 4,000 t/d ball mill, agitated leach, counter-current

Tahoe Resources' 2014 feasibility study for the Escobal mine describes a three-stage crushing, single ball mill and differential flotation plant

The 2015 technical report on the Diavik mine at Lac de Gras describes a chemical-free gravity and X-ray recovery plant