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ASEG WA October Tech Night

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City West Receptions

45 Plaistowe Mews

West Perth, WA 6005

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The WA Branch of the Australian Society of Exploration Geophysicists invites you to attend the upcoming ASEG WA Tech Night presented by Bill Peters, a director of Southern Geoscience Consultants.

Geophysics for Magmatic Ni-Cu-(PGE) Exploration

Exploration for Ni-Cu sulphide deposits has been possibly the most significant factor in the development of modern minerals geophysical technology. The strong response of Ni-Cu sulphides to multiple geophysical methods has resulted in a heavy reliance on geophysics for exploration. This has, in turn, spurred researchers, instrument manufacturers and contractors to continually develop new and/or improved technology.

As discovery of outcropping and near-surface deposits is becoming rarer, the challenge is moving into covered areas and exploring deeper. Historical technology has proven effective in the 0-250m depth range; current technology has extended this to more than 500m; new developments are pushing this towards 1000m. This means that large prospective areas previously considered fully explored in the past have completely new potential.

This talk discusses:

  • The current state of the art in geophysical acquisition, power, resolution, sensitivity, inversion, visualisation, and , modelling.
  • The physical properties of Ni-Cu sulphides, host rocks, and complicating non-economic geological features.
  • The key geophysical methods, their application, and global examples
  • Regional targeting to identify settings containing prospective mafic -ultramafic rocks including the concepts of lithospheric structural control and intracrustal magma chambers.

Bill Peters is a 1972 geology & physics graduate of UWA.

During his 45 years as a geophysicist he has worked on projects in over 80 countries and visited over
60. These projects have included precious metals, base metals, diamonds, oil & gas, mineral sands,
rare earths, uranium and water.

During the first thirteen years of his career he worked for McPhar Geophysics, Anglo American, De
Beers, BHP, Teck, and DIGHEM in Southern Africa, Canada and Australia.

Bill is currently a Director and Consultant of Southern Geoscience Consultants which he co-founded
in 1985. SGC has subsequently grown to be one of the largest minerals geophysical consultancies
globally.

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City West Receptions

45 Plaistowe Mews

West Perth, WA 6005

Australia

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