By Team IOS, Monday May 16, 2022

A sounded mineral exploration strategy is one based on science. It is not an art, it is not luck, it's a science!


From this vantage point, IOS team of geoscientist will offer six science-oriented talks at the GAC-MAC annual convention in Halifax, next Monday to Wednesday, May 15 to 17. Scattered in various sessions, the talks aims familiarizing the attendees with our recent techniques and applications as well as geological breakthrough they enabled in regard of a scientific approach to mineral exploration.


1: Changing paradigm: the use of fine-grained heavy minerals assemblages for porphyry exploration.
On Monday May 16 at 10:20 am within the Advanced analytical techniques session (SS-16), Hugues Longuépée will show unconstrained automated classification of heavy minerals enables not only the detection of typical indicator, but of broader mineral assemblage characteristic of the general environment of a mineralized porphyry system in the Andes.

2: Recovering, counting, and characterizing platinum-group minerals in glacial tills using automated scanning electron microscopes.
Critical metals being trendy, this talk presented by Jonathan Tremblay on Monday May 16 at 10:40 am in the Advance analytical technique session (SS-16), will offer an overview of the SEM-based automated procedure that enables detection, counting and characterization of platinum group minerals in sediments, in such low level it can be used as a regional exploration tool.

3: A protocol to improve reproducibility and quality of image acquisition for deep learning applications in mineralogy.

Arnaud-Louis Abel-Back, a master student at UQAC who is collaborating on one of our sponsored projects, will present some of his results on Monday May 16 at 1:20 pm within the Advanced analytical technique session (SS-16). The talk will describe a protocol to acquire standardized optical images of heavy minerals in order to classify the different mineral species with the use of automated image analysis.


4: Phyllosilicates for Gold Exploration.

Offered by Olivier Nadeau, on Monday May 16 at 2:40 pm in the Advance analytical technique session (SS-16), this presentation will explain why and how micas and clay minerals can be used to detect gold mineralizing hydrothermal systems.


5: Gold grain morphology as an insight to glacial history!

On Tuesday 17 May at 2:40 pm within Quaternary Geoscience, Glaciers and Cosmogenic nuclides session (SS-18), Réjean Girard will talk on how the shape of gold grains evolve in the course or sedimentary recycling, and how this shape can be used to decipher cryptic glacial event that can perturbate detrital dispersion patterns, for which understanding can improve performance of drift prospecting.


6: Polynormalization: A deterministic-stochastic approach to geochemical survey denoising!

On Tuesday May 17 at 3:40 pm within the general economic geology session (GS-11), Réjean Girard will disclose a procedure enabling the reduction of variance induced by environmental parameters on geochemical analysis enhancing the signal to noise ratio in exploration geochemistry surveys.


Detailed program and abstracts can be downloaded at the following link, as well as the presentation later on:

Science is like a good wine: Pleasant to share and debate!


''There are those who follow the rules... and those who define them''


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