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Title: Mineral systems characterisation in the context of a new geological framework for the Rover field, Northern Territory
Report id: NTGS Record 2023-010
Year: 2023
Author: Farias, PG
Abstract: The Warramunga Province of the Palaeoproterozoic North Australian Craton in the central Northern Territory is a highly prospective terrane for mineral endowment. A well-known example is the Tennant Creek mineral field, which has a rich history of gold, copper, bismuth, silver, and selenium production. Some 80 km southwest of the Tennant Creek mineral field is the entirely undercover mineralised Rover field, which represents an opportunity to diversify exploration and to boost precious and base metal production in the region. Although the Rover field hosts three deposits containing established mineral resources, the geological framework, nature and timing of mineral systems of the field remains poorly understood.
This study determined that the Rover field basement is composed of three distinct zones (northern, central and western), each hosting a different mineral system.
The northern zone, located above a crustal-scale lithospheric discontinuity, has potential for orthomagmatic copper–nickel mineralisation. The central zone, hosts gold–copper–bismuth mineralisation including the Rover 1 deposit comparable to the Tennant Creek mineral field gold mineralisation. In the western zone, sediment-hosted base metal mineralisation including Explorer 108 is akin to VHMS systems. Additionally, zircon isotopic data, combined with VHMS and mantle-derived mafic magmatism occurring between 1.78–1.73 Ga suggest that crustal extension prevailed in the region during that time. Importantly, the association of mineralisation with younger than previously thought stratigraphy and broadens the exploration search space for a range of commodities and mineralisation styles in the Warramunga Province and undercover extensions.
Publisher: Northern Territory Geological Survey
Document Type: NTGS Record
Access Constraint: With the exception of the Northern Territory of Australia logo, other government and corporate logos, and where otherwise noted, all material in this publication is provided under a Creative Commons Attribution 4.0 International licence ( You are free to re-use the work under the licence, on the condition that you attribute the Northern Territory of Australia (Northern Territory Geological Survey) and Commonwealth of Australia (CSIRO), and comply with the other licence terms.
Date Added: 28-Sep-2023
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