Bethanga Porphyry Copper-Gold Project
The 194km2 Bethanga Porphyry Copper-Gold Project is targeting a large-scale Porphyry Copper-Gold System.
The Project is located 300km NE of Melbourne in Australia’s premier Porphyry Copper-Gold geological terrain.
Regional and Local Geology
Nexus announced in January 2022 that it had completed the purchase of the Bethanga Porphyry Copper-Gold Project in northeast Victoria. Land holding covers 194km2 across two granted exploration licenses located in Australia’s premier Porphyry Copper-Gold geological terrain.
The Bethanga project is located in the same geological host as the world class Cadia-Ridgeway and Northparkes Porphyry Copper-Gold projects further north in NSW. The project area is recognized by Geological Survey of Victoria as a region prospective for Porphyry Copper-Gold and VHMS mineralisation.
Bethanga has historically been mined for copper and gold at the turn of the century (118kOz Au at 39g/t and 618t Cu) and there has seen no exploration activity since 1987. Nexus has been undertaking a Porphyry Cu-Au fertility assessment study at the Bethanga project throughout the year.
- The project site is located 300km northeast of Melbourne and 30km east of the major regional centre of Albury Wadonga.
- Combined area of the two tenements is 194km2 (EL006920 141km2 / EL06517 53km2).
- The project areas were mined at the turn of the century and produced 118kOz Au at 39g/t and 618t Cu from selectively mined narrow north-northeast trending quartz reefs developed within shear zones. The quartz veins are <1m wide and were mined down to 30-40m depth.
Nexus Work Program
Porphyry Cu-Au Fertility Assessment Proposed Works:
- Prospect wide soil sampling program planning completed. Program aiming to identify pathfinder elements indicative of a magmatic hydrothermal system at depth.
- Geological mapping and lithogeochemical sampling – with specific alteration and geochemical characteristics being sought to indicate Porphyry Cu-Au prospectivity.
- Reprocess and 3D inversion of regional aeromagnetic data, followed by detailed ground magnetics survey.
Bethanga Exploration Update
The porphyry fertility assessment work completed to date includes:
- Regional soil sampling program
- Regional geological mapping and litho-geochemical sampling
- Re-processing and 3D inversion of regional aeromagnetic data
- Detailed soil sampling program
Work to be completed includes:
- Detailed geological mapping and litho-geochemical sampling
- Ground magnetic survey
- Interpretation of combined datasets