Venue 1: 3010:
Economic Geology

Venue 2: 3013:
Igneous and Metamorphic Geology

Venue 3: 1013:
Environmental Geochemistry

Venue 4: 1020:
Earth Evolution

General ore geology

Igneous beyond the obvious

Planetary Geology: Earth, Moon and Beyond

The Proterozoic of Africa

08:45 - 09:00

Investigation of the ore mineralisation styles and alteration zones of Messina copper deposits
Dimakatso Hlahla

High d18O values in the Karoo LIP mafic rocks are unrelated to incompatible element and radiogenic isotope enrichment Chris Harris

Dating very small impact craters on Earth: Morasko strewn field, Poland Ania Losiak

Characterization and regional correlation of Pan-African strains in the Western Saldania Belt, South Africa Chris Rheeder

09:00 - 09:15

The geology of gold mineralization in the Nangodi greenstone belt, Ghana Kwame Fynn

Keynote: Evidence for temporal shifts in basaltic magma compositions in the Karoo dolerites, and the implications for the role of cumulus processes Stephen Prevec

Emplacement dynamics of impact melt dikes: evidence from the Lesutoskraal Pavement, Vredefort, South Africa, derived from high-resolution unmanned aerial vehicle orthophotography Martin Clark

The Kuunga Nappe Accretionary Complex of Sverdrupfjella, western Dronning Maud Land, Antarctica Geoffrey Grantham

09:15 - 09:30

The Geology and Mineralization of the Renosterkop Tin-Tungsten-Zinc DepositAugrabies - Northern Cape Allan Saad

Substantial downward accumulation within a rare layered mafic Karoo intrusion (Mwenezi Complex, SE Zimbabwe) Martin Klausen

Fault-slip analysis of slickensides in a historical quarry supports post-impact crustal relaxation model for the Vredefort Impact Structure Siphokazi Madaka

Consistency of geological, structural, and geochronological data in constraining the dynamic evolution of the Arabian Nubian Shield of the East African Orogen Bisrat Yibas

General ore geology

Igneous beyond the obvious

Planetary Geology: Earth, Moon and Beyond

Sedimentary basins in southern Africa

09:30 - 09:45

Textural and LA-ICP-MS trace element analysis of pyrite in the Kibali gold district, DRC Yann Mpaka Waku

Heterogeneous mantle sources in the Umkondo continental flood basalt province Ben Hayes

Signs of superfaulting in the Morokweng impact structure, South Africa Roger Gibson

Comparing the provenance of the Main Karoo succession to those of Karoo-aged equivalent units in India: new insights from U-Pb detrital zircon ages of the Gondwanan successions of the Bokaro and Jharia coal basins Clarisa Vorster

General ore geology

Igneous beyond the obvious

Geobiology

Sedimentary basins in southern Africa

09:45 - 10:00

Improved gold regressions for mineral resource definition data
Shaylan Chetty
& Jacques Deacon

Petrological, geochemical and geochronological constraints on the Kameel Complex, Northern Cape, South Africa: implications for the Hartley Large Igneous Province
Sinikiwe Ncube

Keynote:
Advanced analyses of Palaeoarchaean microbial mats: insights into the palaeoecology and taphonomy of Earth’s earliest photosynthetic ecosystems
Keyron Hickman-Lewis

Patagonia: Gondwana’s “Dark Passenger”? Tectonocyclic-induced extinction events in South Africa during the Devonian
Cameron Penn-Clarke

10:00 - 10:15

A Methodology for Sustainable Data in the GeosciencesM
Marcia H van Aswegen

Are the Early Proterozoic Ongeluk LIP volcanism and the Makganyene glaciation -- continental or marine deposition on the Kaapvaal Craton, South Africa?
Wladyslaw Altermann

Using manganese-rich minerals to trace the rise of oxygen
Ansahmbom Yong Nke

10:15 - 10:45

Tea / Coffee Break - 1st, 2nd, 3rd floor

Sedimentary ore deposits

Igneous beyond the obvious

Geobiology

Sedimentary basins in southern Africa

10:45 - 11:00

Keynote: Earth’s oldest (>3,6 Ga) high-grade BIF-hosted iron ore deposit, Aridongri Mine, Bastar Craton, India Joydip Mukhopadhyay

Dating autocrysts, xenocrysts and detrital zircons in the Ventersdorp Supergroup in Kimberley diamond mines Dave Cornell

The Lanseria palaeosol: implications for palaeoweathering and terrestrial life at ~2.6 Ga on the Kaapvaal Craton Gobona Lizzie Tau

Keynote: Some highlights of studying the coastal and marine Cenozoic deposits of South Africa Hayley Cawthra

11:00 - 11:15

Keynote: Hematite ages from high-grade iron formation-hosted iron ores and associated lithologies of the Northern Cape Province of South Africa: Implications for ore formation Albertus Smith

Whole-rock boron isotope variation within a single monogenetic cone: La Poruña (21°53'S, 68°30'W), Central Andes Petrus Le Roux

Reconstructing oxygen levels in ancient seawater using cerium anomalies in carbonate rocks Rosalie Tostevin

The Klipheuwel Group (Western Cape) – Pan-African aftermath or Cape prelude? Ruan Raath

11:15 - 11:30

Petrography, geochemistry and age of the intrusive units of the Leinster deposit, Northern Cape Province, South Africa Maropeng Mailula

Boron isotope composition of eruptive lava units and their implications: a case study of lavas from Toconce, Northern Chile Sinethemba Ncetani

Zoophycos in the Witpoort Formation (Witteberg Group, Cape Supergroup, South Africa) Christopher Harris

Exploring the Dinosaur Cave: palaeoecological implications of unique footprints in the Lower Jurassic Clarens Formation of the Maloti-Drakensberg Akhil Rampersadh

11:30 - 11:45

Deposition of the Palaeoproterozoic Hotazel BIF-Mn Formation in a stratified oceanic basin during a highly transitional period in Earth’s history Xolane Mhlanga

Generation of the Phalaborwa Complex, South Africa from Long-lived, High- d18O Mantle? Joshua Munro

Depositional Environments of the A And B Seams, Ermelo Coalfield: An Organic Geochemistry, Palynology and Petrology Investigation Sedzani Mukatuni

Evolution of an Early Jurassic desert system: erg dynamics and geochronology of the Clarens Formation, Karoo Supergroup, southern Africa Howard Head

11:45 - 12:00

The Paleoproterozoic Negaunee Iron Formation of the Marquette Range Supergroup in Minnesota, United States of America: A case study in post-Great Oxidation Event iron formation deposition
Lanco Setebatebe Mogudi

The complex nature of mantle crust interactions in Variscan post-orogenic magmatism: evidence from Mt. Aigoual dykes, Massif Central, France Helena Fest

How the remains of unicellular organisms are giving us insight into Neogene to modern changes in southern African coastal and marine environments Eugene Bergh

Early Jurassic Rainbow Nation: diverse bipedal and quadrupedal theropod and ornithischian dinosaur trackways (Makhosi, Lesotho) M Abrahams

12:00 - 13:00

Lunch (own arrangements)

Sedimentary ore deposits

Igneous beyond the obvious

Geoscience and Society

Sedimentary basins in southern Africa

13:00 - 13:15

Carbon and Uranium in the Witwatersrand – the Impact of One Upon the Other Anthony Rutherford

Keynote: How are Silicic Volcanic and Plutonic Systems Related? John Clemens

Characterisation of exhausts during artisanal/micro-scale Portland cement clinker production: their potential use in mineral carbon sequestration Freeman Senzani

Geology of the early Late Cretaceous Moreno Hill Formation, Zuni Basin, New Mexico Charl Cilliers

13:15 - 13:30

A new look at the Metallogeny of the Benue Trough, Nigeria Steffen Kalbskopf

Granite emplacement mechanisms of the Pan-African Peninsula Granite, Saldania Belt, Sea Point contact, Cape Town, South Africa Russell Bailie

Raw Material Exploitation, Strategy and its Public Acceptance in Saxony-Anhalt, Germany Christoph Gauert

South African Devonian biozones identified with network analysis provide evidence for a pulsed extinction event at high latitudes Cameron Penn-Clarke

13:30 - 13:45

Structural and Lithological Overview of a Polygenetic Mélange in an Evolving Lufilian Arc Foreland Basin, Kolwezi, DRC Michael McCall

Ambient Noise Surface Wave Tomography to determine granitic basement contact in northern Tasmania Monty Rohwer

How to obtain community buy-in during research drilling: ICDP BASE Project, Moodies Group, Barberton Greenstone Belt Phumelele Mashele

Network-based biostratigraphy for the late Permian-mid Triassic Beaufort Group (Karoo Supergroup) in South Africa enhances biozone applicability and stratigraphic correlation Pia Viglietti

Applied Mineralogy Session

Igneous beyond the obvious

Geoscience and Society

Sedimentary basins in southern Africa

13:45 - 14:00

Keynote: The contribution of mineralogy to sustainability in the mine life cycle Megan Becker

Constraints on the genesis of the orbicular rocks and sulphide mineralization in the Koperberg Suite, Namaqualand Metamorphic Complex, South Africa Senamile Dumisa

To tell the stories in the stones…Supporting Geotourism development in Southern Africa through sharing experiences and observations from the emerging field of Geological nature guiding John Roff

Cape Town’s fossil beaches aid in reconstructing Pliocene shoreline dynamics Tugçe Akkas

14:00 - 14:15

Investigation into the mineralogy and metallurgical performances of various UG2 ore-types from Hossy shaft of Sibanye-Stillwater Marikana Platinum Operation, Bushveld Complex, South Africa Ernest Matome Moitsi

Origin of fluids responsible for the Orange River Pegmatite Belt; Namaqua-Natal Metamorphic Province Shane Doggart

Addressing the geotourism potential of South Africa’s game parks and nature reserves Alexandra Collett

Life and land engulfed in the late Early Jurassic Karoo lavas of southern Gondwana Emese Bordy

14:15 - 14:30

The power, versatility, and the use of TIMA in resolving spatial distribution of critical metals in ore deposits Nonkuselo Madlakana

Using Sm-Nd isotopic data from the Namaqua-Natal Metamorphic Province to constrain the potential sources of NYF pegmatites in the Orange River pegmatite belt Minenhle Maphumulo

Geoscience Education in a South African Science Centre Tanja Reinhardt

Geological revision of the middle Cretaceous Mussentuchit Member, Cedar Mountain Formation, Central Utah (USA) Ryan Tucker

14:30 - 15:00

Tea / Coffee Break - 1st, 2nd, 3rd floor

Applied Mineralogy Session

Differentiation of the Earth’s crust at the metamorphic:igneous interface

Geoscience and Society

Sedimentary basins in southern Africa

15:00 - 15:15

Mineralogy of Secondary Copper Minerals Forming on Sulphide Slag from the Okiep area, Northern Cape Lesley Andrews

Carbon and oxygen isotope composition of the Salpeterkop Carbonatite Complex, Sutherland, Northern Cape Senate Marakabei

Translating the geological record into isiXhosa Sinelethu Hashibi

Keynote: Sedimentology and Taphonomy of drought afflicted tetrapods in the Early Triassic Karoo Basin, South Africa Roger Smith

15:15 - 15:30

Invisible gold in the Archean detrital sulphides of the Witwatersrand tailings dumps: A large and under-exploited gold resource Steve Chingwaru

Petrographic and geochemical evidence of calc-silicate xenolith – magma interaction in the western Bushveld Complex, South Africa Roger Gibson

Dealing with Disruptions – impact on Geoscience Education Gillian Drennan

The Pongola Supergroup stratigraphy of the Buffalo River Gorge, northern KwaZulu-Natal: Preliminary investigations Nigel Hicks

Applied Mineralogy Session

Differentiation of the Earth’s crust at the metamorphic:igneous interface

The future geoscientist

Sedimentary basins in southern Africa

15:30 - 15:45

Characterising clarity enhancements in coloured gemstones using X-ray micro-computed tomography Michelle van der Merwe

Petrology and Geochronology of Sapphirine-bearing granulites from the Limpopo Complex in eastern Botswana: Implications for Paleoproterozoic long-lived high-pressure/ultrahigh-temperature metamorphism and rapid exhumation Thembiso .O. Basupi

Evaluation of machine learning algorithms for the classification of lithologies using geophysical logs Obehi Atita

Testing the capability of core scan hyperspectral imaging to characterise South African coal, its functional groups and associated inorganic matter Welhemina Langa

15:45 - 16:00

Using process mineralogy to characterise an antimony tailings dam from the Murchison Greenstone Belt Rembuluwani Ravele

Constraining the P-T-t evolution of the crust by modelling processes of partial melting, magma formation and emplacement: new insights provided by combining compositionally variable phase equilibria in Rcrust with accessory phase saturation and trace element partitioning Sean Hoffman

Keynote: The effectiveness of using virtual reality materials in preparing students for geological fieldwork Jan Van Bever Donker

From grains to tracks: the role of substrate on the anatomical fidelity of dinosaur tracks (upper Stormberg Group, southern Africa) Loyce Mpangala

16:00 - 16:15

A Mineralogical Study of Phosphate Mineralization in the Nkombwa Hill Carbonatite Thendo Mapholi

Fluid induced formation of coronal multilayers of titanite,scapolite, garnet and amphibole within the amphibolite to granulite faciestransition: A petrological, geochemical and mass-balance approach Holger Sommer

African Physics Strategy: The Earth Sciences Working Group Bjorn Von Der Heyden

First high precision U/Pb age dates from the Cenomanian - Turonian of Central Utah: Implications for dating the Cenomanian-Turonian Boundary and development of the Greenhorn Seaway Ray Renaut

16:15 - 16:30

Reconceptualising the electromagnetic spectrum with regards to electric field theory as per De Broglie’s wavelength formula Igor Tonzetic

Geochemical-mineralogical characterization of a granulite-facies migmatite and its leucosome and melanosome fractions (Namaqua Metamorphic Province, South Africa) Juergen Reinhardt

The future geoscientist Martin Vietze

State-of-the-art analytical geochemistry facilities at Wits set the stage for exciting new research avenues Kimberley Beaton

16:30 - 17:00