Oyu Tolgoi South (Hugo South)

Overview

Southern extension of the Hugo Dummett deposit at Oyu Tolgoi. Currently under development.

Geological Context

Host Rock: Basalt and andesite (Devonian)

Tectonic Setting: Island arc

Geological Province: Central Asian Orogenic Belt

Metallogenic Belt: Central Asian Porphyry Belt

Resources & Operations

Operator: Rio Tinto/Turquoise Hill

Mining Method: Block Caving

Data Provenance

Source: Rio Tinto reports

Last Verified: 2025-12-01