Date/Time
Date(s) - 11/09/2024
6:30 pm - 8:30 pm

Categories No Categories

Wednesday 11 September, 6.30pm

ANNUAL GENERAL MEETING

Following the AGM, at about 7pm, Nicolas Hébert will present a talk on

Pegmatites — From S-E Asia to Australia; a journey through Afghanistan, Pakistan, Myanmar, Vietnam and WA

Abstract

Pegmatites host a variety of minerals with a diversity of chemistries, revealing the high degree of fractionation of the volatile-rich melt they formed from.

Their significant size is appealing to collectors — while most orebodies in WA are exploited for the lithium, tantalum, and tin content, other occurrences in South-East Asia are worked artisanally, enabling quality specimens to be recovered.

This well-illustrated talk will present similarities and differences in the mineral assemblages and what this tells about the formations of these colourful anomalies. A selection of specimens from the personal collection of Nicolas Hébert featured in the presentation will be presented for discussion afterwards.

Nicolas Hébert is a geologist/engineer and mineral enthusiast. He graduated from Ecole Nationale Supérieure de Géologie, Nancy, France in 2018. He currently works as a decarbonisation advisor for Talison Lithium in Greenbushes, and founded exploration junior Akarbo resources in 2022.

Previous talks presented at conferences include The Mineralogy of the gem-bearing marbles of SE-Asia: a journey from Luc Yen to Mogok where he discusses social, financial, legal logistical issues faced while undertaking field expeditions in artisanal gem-mining areas, before exploring the reasons behind similar mineralogy in those two locales, and Blue spinels for the 2020 Joint Mineralogical Societies of Australasia Seminar.

Even though primarily interested in mineral collecting in Vosges and Alpes massifs, he took part in paleontological collecting expeditions in Svalbard and Wyoming respectively for MHNF (Fribourg, Switzerland), and the Senckenberg museum (Germany). A significant part of Nicolas’ collection is focused on minerals from Mogok’s region and marble-hosted mineral associations.

Venue:

WA Lapidary and Rock Hunting Club Inc.
31 Gladstone Road, Rivervale