Constraining the deformation history of the ‘Top End’ in relation to mineral prospectivity
Be the first researcher to explore when the northernmost part of Australia deformed.
The Palaeoproterozoic Pine Creek Inlier, is one of the most significant metallogenic provinces of the Northern Territory. It hosts a number of mineral deposits, just South of Darwin, such as the Rum Jungle (U, Cu, Co, Pb, Zn) and Woodcutters (Pb, Zn, Ag) deposits in close vicinity to the N-S trending Giant’s Reef Fault.
This fault is one of the most prominent structures in the Northern Territory, recording up to 5km displacement. The formation history of the basement is relatively well studied in this area, while the post-Palaeoproterozoic thermal, alteration and deformation history (particularly in relation to fault activity) is poorly constrained.
This project will apply apatite fission track thermochronology, U-Pb dating and trace element geochemical analysis on granitoid samples near mine sites at either side of the Giant`s Reef fault, aiming to shed more light on the deformation history of the fault and to evaluate its role to the exhumation history and related preservation potential of mineral deposits in the study area.
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