The results explain the appearance of an alkaline lake in an open pit at the Thalanga base metal mine, Australia. The Thalanga copper-lead-zinc VMS deposit is located 60 km west of Charters Towers, north Queensland.

The results explain the appearance of an alkaline lake in an open pit at the Thalanga base metal mine, Australia. 2 Site description The Thalanga copper-lead-zinc VMS deposit is located 60 km west of Charters Towers, north Queensland.

May 14, 2024 · Thalanga is an open-cut and underground mine with an onsite processing plant and mine industrial area, a large exploration core yard, a large tailings storage facility, several evaporation and process water dams and a wetland.

Sep 1, 2009 · Water in pit lakes has the potential to be useful for a range of purposes in the Australian context of characteristic hot, dry climate and relatively few natural water bodies....

Large lakes with no natural counterparts in Australia. Water quality depends on catchment geology and quality of filling water - often poor. Pit lakes often poorly considered in mine closure plans, yet are often one of the largest and hardest to deal with legacies. Resource for waterbirds? Natural/managed fishery?

DEHP could not conclude that the existing water management infrastructure at Thalanga was effective in protecting groundwater resources from contamination.

Nevertheless, pit lake waters often constitute a vast resource but of limited beneficial use (due to water quality issues); with a potential to contaminate regional surface and ground water...

Pit lakes may form when open cut mining operations extend below groundwater level and then fill at cessation of mining and associated dewatering operations by ground and surface water influx. Pit lake hydrogeology may function as an evaporative “sink” when pit lake water evaporation rates exceed influx rates.

The kinetic test data have been combined with measured pit water chemistry data, measured surface and seasonal groundwater inflows, climatic data, and calculated pit lake surface area and volume to produce a high resolution hydrological and geochemical pit water model.

Thalanga Mine, the Company provides an update on its Thalanga Operation. The September Quarter was impacted by the suspension of operations at Thalanga from 2 August 2022 to 19 August 2022 following a ‘fall of ground’ event in a stoping area.