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 |
14:40 | 120 | Kimberlite magmatism fed by broad upwelling above mobile basal mantle structures | Nicolas Flament | University of Wollongong |
Session Chair: George Read | ||||
15:00 | 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 |
15:20 | 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 |