OGG Online Presentation: Predicting Large Type-II Diamonds

11 August 2026

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Overberg Geoscientists Group

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OGG Online Presentation: Predicting Large Type-II Diamonds

The Overberg Geoscientists Group (OGG) invites you to an online presentation by Dr Andy Moore exploring a megacryst-based model for predicting the presence of large, irregular Type-II diamonds in kimberlites.

Dr Moore will share insights from his extensive experience in diamond exploration, kimberlite prospecting, mantle geology, geomorphology and the origins of exceptional large diamonds such as the Cullinan.

Date: Thursday, 17 September 2026
Time: 11:00
Where: Online via Zoom

A fascinating presentation for anyone interested in diamonds, kimberlites, geological exploration and Southern African geology.

Read the full presentation details here.

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Overberg Geoscientists Group

The Overberg Geoscientists Group is a collective of geoscience professionals and enthusiasts dedicated to exploring the Earth's physical structure, from rocks and minerals to geological processes, across the greater Overberg region. The group engages in research, field studies, educational activitie...

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