12 IKC Oral Technical Programme
Monday 8 July 2024
Theme 2: Emplacement and Economic Geology of Kimberlites and Related Magmas
Time Abstract ID Title Presenter Affiliation
Opening Chair: Rory Moore
8:50 Key01 KEYNOTE: The Ekati and Diavik Discoveries – Canada’s Entry to Global Diamond Production Jon Carlson
9:20 Key02 KEYNOTE: Advancements in Kimberlite Geology After 30 Years of Kimberlite Exploration, Evaluation and Mining in Canada Casey Hetman SRK Consulting
Session Chair: Kelly Russell
9:50 108 Metasomatic textural changes in hypabyssal transitional kimberlites: Inferences for the texture and mineralogy of KPK Maya Kopylova University of British Columbia
10:10 72 Canadian Kimberlite Pipe Morphology: Insights from Analogue Experiments David Newton Seequent
11:00 54 Understanding Kimberlite Crystallisation and Emplacement: Insights from Reaction Products on Ilmenite and Chromite  Lydia Fairhurst Dalhousie University
11:20 63 Volcanology of selected kimberlites from the Lulo kimberlite field, Angola Jena Moldenhauer University of Cape Town
11:40 11 The last 10-15 years of research on non-kimberlitic diatremes, with implications for kimberlite emplacement Pierre-Simon Ross Institut national de la recherche scientifique
Seminar 1: Kimberlitic Olivine: Tracking Mantle Cargo and Kimberlite Melt Evolution
Seminar Chair: Herman Grütter
13:15
SEMINAR Primary Lecture: Kimberlitic Olivine: Recent research directions, current implications and the path forward (25-30 minutes) Followed by semi-moderated questions and discussion (30-40 minutes) Geoffrey Howarth University of Cape Town
14:45
SEMINAR Supporting Lecture: Olivine-hosted mineral inclusions in kimberlites: insights on the liquid line of descent and T-ƒO2 path (18-20 minutes) Followed by semi-moderated questions and discussion (25 minutes) Federico Casetta University of Vienna
15:30
SEMINAR Supporting Lecture: Discovery and interpretation of melt inclusions in kimberlitic olivine – Implications for primitive/parental kimberlite melt compositions (18-20 minutes) Followed by semi-moderated questions and discussion (25 minutes) Adam Abersteiner University of Adelaide
Tuesday 9 July 2024
Theme 5: Cratonic Mantle – Petrology, Geochemistry and Geophysics
Time Abstract ID Title Presenter Affiliation
Session Chair: Graham Pearson
8:30 Key03 KEYNOTE: Seismic Thermography of Continental Lithosphere: Structure, Evolution, and Controls on the Distribution of Kimberlites and Other Mineral Deposits Sergei Lebedev University of Cambridge
9:00 74 Developing thermochemical models of Canada’s lithosphere Riddhi Dave Geological Survey of Canada
9:20 76 Sodic Cr-diopside compositions record profound pyroxenite/megacrystic (re)fertilization of the central Superior craton lithosphere, Attawapiskat kimberlites, Ontario, Canada Herman Grutter SRK Consulting
9:40 62 Lithospheric mantle sampling of kimberlites and lamproites using Al-in-olivine thermometry Merrily Mathume Tau University of Cape Town
10:00 144 A new machine-learning single-crystal peridotitic garnet geobarometer & geothermometer Gary O’Sullivan Trinity College Dublin
Session Chair: Sonja Aulbach
10:50 26 Lu-Hf chronometry of continuous metasomatic enrichment of the cratonic mantle Kira Musiyachenko University of British Columbia
11:10 88 Constraining the chemical and thermal structure of the Kaapvaal Craton subcontinental lithospheric mantle using kimberlite-indicator-mineral geochemistry Sinelethu Hashibi University of Cape Town
11:30 39 Sheared peridotites: linking deformation and H2O metasomatism to the onset of craton destabilization Catharina Heckel Goethe University Frankfurt
11:50 125 Eclogitic zircon geochronology and trace element geochemistry: an investigation of mantle metasomatism from the Cretaceous to the Archean beneath the Kaapvaal craton Molly Paul Boise State University
12:10 132 Revisiting the origin of Cr in cratonic peridotite Emma Tomlinson Trinity College Dublin
Session Chair: Andrew Schaeffer
14:00 153 Experimental investigation of silica enrichment in Archean cratonic lithosphere Caterina Melai Trinity College Dublin
14:20 34 Large scale rejuvenation of lithospheric mantle beneath Jwaneng, Botswana: implication for diamond growth and destruction Gareth Davies Vrije University Amsterdam
14:40 133 Subduction involved in generating thick Archaean cratonic keels? Insights from >2.83 Ga detrital diamonds from Tree River, Slave Craton, Canada Rory Changleng Penn State University
15:00 177 New insights into the age, composition and thermal history of the lower crust Roberta Rudnick University of California
15:20 24 Ultra-refractory peridotites in the modern and ancient Earth and their implications for origins of Archean cratonic roots James Scott University of Cologne
15:40 173 A global look at cratons and the thermal properties that define their roots Graham Pearson University of Alberta
Wednesday 10 July 2024
Theme 1: Diamonds
Time Abstract ID Title Presenter Affiliation
Session Chair: Karen Smit
8:30 Key04 KEYNOTE: Sublithospheric diamond ages and their geodynamic implications Suzette Timmerman University of Bern
9:00 45 Sublithospheric Diamonds and Indicator Minerals from DO-27 Kimberlite, Slave Craton, Canada– Geochemistry, Age and Origin Qiwei Zhang University of Alberta
9:20 64 Multistage diamond formation, mantle uplift and changing geothermal regimes recorded by inclusions in Kimberley diamonds Paolo Nimis Università Di Padova
9:40 57 Diamonds from Fort à la Corne – post-Archean formation in exceptionally cool and fertile lherzolitic substrates Anetta Banas Apex Geoscience Ltd.
Session Chair: Yana Fedortchouk
11:00 121 How old are diamonds beneath Proterozoic cratons? Answers from the State Line Kimberlite District, western Laurentia Melissa Bowerman University of Alberta
11:20 137 Diamonds from Knee Lake, Manitoba: A Neoarchean aged unconventional diamond deposit on the northwestern Superior Craton  Andrea Pezzera University of Alberta
11:40 155 Understanding diamond-forming fluids and parental lithologies using Fe, Mg, and K isotopes  Peng Ni University of California
12:00 134 Metasomatic diamond-forming events in the Limpopo Belt deep lithosphere recorded by HDFs in Venitia diamonds Yael Kempe The Hebrew University of Jerusalem
12:20 48 Fluid escape from diamond caught-in-the-act: towards the composition and origin of diamond-forming fluids Luísa De Carvalho University of Alberta
12:40 98 Sources and ages of diamond-forming fluids in the lithospheric mantle  Yaakov Weiss The Hebrew University of Jerusalem
Seminar 2: Large Irregular Type II Diamonds: Genesis and Transport to Surface
Seminar Chair: Herman Grütter
14:15
SEMINAR Primary Lecture: The deep mantle genesis of CLIPPIR and Type IIb diamonds (25-30 minutes) Followed by semi-moderated questions and discussion (30-40 minutes) Evan Smith Gemological Institute of America
15:45
SEMINAR Supporting Lecture: Sublithospheric diamonds and where to find them (18-20 minutes) Followed by semi-moderated questions and discussion (25 minutes) Suzette Timmerman University of Bern
16:30
SEMINAR Supporting Lecture: Deciphering the history of CLIPPIR diamonds from their morphology and surface features (18-20 minutes) Followed by semi-moderated questions and discussion (25 minutes) Ingrid Chinn De Beers Group
Thursday 11 July 2024
Time Abstract ID Title Presenter Affiliation
Session Chair: Luisa de Carvalho
8:30 25 A Russian doll diamond in the making Jeffrey Harris University of Glasgow
8:50 97 Oxidized and reduced Ni-rich phases in Voorspoed diamonds  Oded Navon The Hebrew University of Jerusalem
9:10 118 Mineral inclusions in E-type diamonds from the Siberian craton: witnesses of Archaean mantle redox heterogeneities and eclogite buffering capacity  Giulia Marras Sapienza University of Rome
9:30 67 Diversity of crystallization conditions of hypabyssal and coherent kimberlites recorded in diamond surface textures Yana Fedortchouk Dalhousie University
Theme 4: Diamond Deposits – Exploration and Mining
Session Chair: Maya Kopylova
9:50 Key05 KEYNOTE: Estimating diamond price for mineral resources and reserves; new observations and insights Andy Davy Malcolm Thurston Independent Consultants
11:00 35 Diamond deposit valuations using size frequency distributions and price modelling John Chapman Gemetrix Pty
11:20 176 A new approach to sampling and evaluating large, low-grade kimberlites at Fort à la Corne, Saskatchewan, Canada Gus Fomradas Rio Tinto Exploration Canada Inc.
11:40 73 Diamond preservation in the lithospheric mantle recorded by olivine in kimberlites Andrea Giuliani ETH Zurich
12:00 46 A Classification System Precisely Distinguishing Diamond Mineral Inclusion Compositions from Indicator Minerals from Barren Sources Chad Ulansky Metalex Ventures Ltd
12:20 19 Diamonds delivered to the West Coast of southern Africa from erosion of Kaapvaal based kimberlites and lamproites Mike de Wit University of Stellenbosch
Session Chair: Barrett Elliott
14:00 165 Evolution of Kimberlite Exploration – Advances in Drift Prospecting in Canada’s North (Part 1): Fundamentals and Foundations  Dave Sacco Palmer
14:20 169 Evolution of Kimberlite Exploration – Kimberlite Indicator Mineral Dispersion on the Kennady North Project, Southern Slave Craton, NWT Tom McCandless Mountain Province Diamonds
14:40 157 Evolution of Kimberlite Exploration – Reasons for Renewed Exploration and One “Classic” Example for a Second Look (Part 2)  Eileen Lyon Aurora Geosciences Ltd.
15:00 116 Exploring for concealed kimberlites: increasing discovery success with soil microbial community fingerprints Bianca Iulianella Phillips University of British Columbia
15:20 105 Diavik Diamond Mine Update Matthew Breen Diavik Diamond Mine
15:40 37 Impact of High-Power Microwave Treatment on Comminution and Downstream Processing of Kimberlite Ores Ravash Borhan Mehr Queen’s University
Friday 12 July 2024
Theme 3: The Origin and Evolution of Kimberlites and Related Magmas
Time Abstract ID Title Presenter Affiliation
Session Chair: Geoff Howarth
8:30 Key06 KEYNOTE: A universal concept of melting in mantle upwellings: all deep melts are born kimberlitic Max Schmidt Department of Earth Sciences, ETH
9:00 170 A new global kimberlite geochemistry dataset: the benefits of open and complete data sharing Hayden Dalton The University of Melbourne
9:20 59 Predicting geochemical and isotopic compositions as well as lithosphere-asthenosphere boundary depth and diamond grade in kimberlites and lamproite using Artificial Intelligence Luc Doucet Curtin University
9:40 50 Zn and Fe isotopes indicate that kimberlites and silica-undersaturated magmas derive from similar asthenospheric mantle sources Ronghua Cai China University of Geosciences
10:00 180 A fresh look at the mantle sources of low-degree mantle-derived melts using K and Ba isotopes  Oded Elazar Carnegie Institution for Science
Session Chair: Bruce Kjarsgaard
10:50 122 Revisiting Sr-Nd-Hf isotope variations in global cratonic lamproites Soumendu Sarkar The University of Melbourne
11:10 27 The origin of Karoo-age diamondiferous lamproites in Zambia Ntando Ngwenya University of Johannesburg
11:30 106 Magmatic expressions of the Mesoproterozoic Midcontinent Rift and consequences for sampling diamonds – ultramafic lamprophyres from the Superior craton Fiona Clark University of Alberta
11:50 80 The origin of Camp Alpha megacrysts and their relationship to kimberlite magmatism – Liberia, West African Craton Ellwin Taleni Shiimi University of Cape Town
12:10 145 Mantle source characteristics of diamondiferous areas in Brazil revealed from Hf and O isotopes of zircon megacrysts Izaac Cabral-Neto Geological Survey of Brazil
Session Chair: Andrea Giuliani
14:00 21 Updated geochronology of the central Slave craton – duration, pulses and time-integrated source variability Chiranjeeb Sarkar University of Alberta
14:20 178 Mid- and Late Cretaceous N American Kimberlite Magmatism: A comprehensive Tectonic model Stephen Johnston University of Alberta

120 Kimberlite magmatism fed by broad upwelling above mobile basal mantle structures Nicolas Flament University of Wollongong
Session Chair: George Read
14:40 Key07a KEYNOTE: A review of current natural diamond market supply and demand fundamentals together with an examination of recent global diamond exploration and development investment trends Eira Thomas Independent Consultant
15:00 Key07b KEYNOTE: Summary of recent diamond exploration world-wide, next steps, areas of new and renewed interest and the role of technology and ESG in exploration and mining John Armstrong Independent Consultant