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Information on Symposia per Science Theme

Theme No.

Theme Title

Number of Symposia proposed

Symposia Title

Symposia Conveners

Biographical sketch of the Conveners




Metallogeny in relation to Geodynamics and Crustal Evolution – Archean to Recent

Prof. Mihir Deb


Dr. M. L. Dora



Metallogeny of South East Asia with Focus on Tectonics and Geochronology

Khin Zaw


Hai Than Tranh (Vietnam)

Prof Khin Zaw is Professor of Economic Geology at CODES, University of Tasmania, Australia. He has over 35 years of experience working on mineral deposits in Canada, Australia, New Zealand, China and SE Asia and published a high number of papers relating to ore genesis and exploration.

Prof Akira Imai is Professor of Economic Geology, Kyushu University, Japan and Vice President of the Society of Resource Geology. He has been extensively working on the genesis of base and rare metal resources, porphyry Cu and epithermal Au deposits in island arc settings of western Pacific rim and SE Asia.

Prof Hai Than Tranh is Professor of Geology and Tectonics, Hanoi University of Mining and Geology, Vietnam. He has been a leader on structural, geotectonic and metallogenic evolution of Vietnam and development of suture zones and amalgamation of crustal blocks in SE Asia.

South East Asia; metallogenic, arc-continent/continent-continent collisions

South East Asia Region is vastly rich in base metals, precious metals, tin–tungsten, gems and hydrocarbons and provides great exploration challenges to develop these resources in a sustainable manner. The region consists of a collage of continental blocks or fragments such as South China, Indochina, Sibumasu, and West Myanmar-Sumatra terranes which were rifted away from the margin of Gondwana at different periods in the Phanerozoic, and led to the opening of the Palaeo-, Meso- and Neotethyan (or Cenotethys) Oceans. Throughout the long history of Gondwana supercontinent break-up and subsequent accretion of these crustal terranes and amalgamation, various rifting, subduction, opening and closure of back arc basins, ophiolitic obduction and arc-continent/continent-continent collisions have occurred, and formation of mineral and hydrocarbon systems were related to these tectonic processes. Recently, advances have been made in understanding the results of these tectonic processes, through the study of geochronology, geochemistry, seismicity, stratigraphy and structure. In this symposium, we welcome contributions of current development of metallogenic, regional geological and tectonic evolution.

Iron oxide copper-gold (IOCG) deposits: New Developments in Characterisation, Understanding of Ore-Forming Processes, and Geodynamic Setting

Roger Skirrow


Huayong Chen (China)

Dr Roger Skirrow has studied IOCG deposits along with many other mineral deposit types for more than 30 years, mainly in Australia while working as a research scientist at Geoscience Australia. His interests include hydrothermal geochemistry, applications of geochronology and isotope tracing in hydrothermal systems, tectonic and geodynamic settings of IOCG and other mineral systems, and mapping of mineral potential. DrSkirrow was an Associate Editor of Economic Geology for 5 years, and is now the SGA Regional Vice President for Oceania.

Prof. Huayong Chen graduated from Queen's University, Canada and worked as a Research Fellow at CODES, University of Tasmania, Australia. He has been a professor on Economic Geology in the Guangzhou Institute of Geochemistry, Chinese Academy of Sciences since 2012. His work covers a range of hydrothermal deposits, especially on IOCG and porphyry-epithermal systems. He will hold the position of Chief Editor of Ore Geology Reviews from 2019, and has been an Editorial Member of Mineralium Deposita since 2016.

IOCG, epigenetic, hydrothermal fluids, geodynamic

IOCG deposits are epigenetic, hydrothermal, resources of Cu and Au (± U, REE, Ag, Mo, Co, Bi, etc), spatially associated with abundant (>10 %) low-Ti magnetite and/or hematite, and exhibit characteristic potassic, sodic and hydrous alteration mineral assemblages. IOCG deposits, exemplified by the ~10 billion tonne Olympic Dam Cu-U-Au deposit in South Australia and several giant deposits in the Archean Carajás district in Brazil, are distinct from typical porphyry, skarn and iron oxide-apatite deposits. However, the definition and classification of IOCG deposits has been a topic of enduring controversy since the initial recognition as a separate deposit type in the 1990s.There are also many questions remaining to be answered on the nature and origins of the hydrothermal fluids, sources of metals, and tectonic and geodynamic settings of IOCG deposits. All these will be the main issues to be discussed in this symposium.

Granite Magmatism and Metallogeny

Yamuna Singh (India)

Mohd. Shareef (India)

M.L. Dora


Dr. Yamuna Singh: Research is focused on granite magmatism and attendant U, Th, Nb, Ta, Sn, W, Be, Li, F, REE, Y, Zr, Hf, and associated metallogeny. Published over 145 research papers in international and national journals. He has 3 years of teaching and 38 years of research experience. Edited journals:(i) Exploration and Research for Atomic Minerals, (ii) Journal of Atomic Minerals Science. Recipient of several awards, one economic geology related.

Dr. Mohamed Shareef: Integrated studies involving granitoid evolution and associated Cu-Au mineralization in Dharwar Craton. Since last 11 years actively involved in granite metallogeny from Dharwar and Bastar craton with focus on Cu-Pb-Au-Mo and REE mineralization.

Granite metallogeny, LCT-type, NYF-type, Anorogeneic

Granite magmatism and related mineral deposits are linked to diverse and complex geological processes. These metals and non-metals are not only indispensable for strategic and high-end technological applications (U, Th, Sn, W, Mo, Nb, Ta, Sb, F, Cu, Pb, Au), but also many of the elements (Be, Li, Ga, Zr, Hf, Y, REE) upon which current societies are increasingly becoming dependent. With the advent of advanced analytical techniques, a coherent genetic model can be worked out. Elucidation of such models provide insights in unravelling specific granite magmatism, viz., S-, I-, A-, M-, P-types, which occur in specific tectonic settings. Understanding granite magmatism can provide vital lead in targeting specific types of metal deposits in such felsic bodies. For example, S-type granite with collisional setting is commonly suited for LCT-type metallization, whereas A-type magmatism in anorogenic setting bears signatures of NYF-type metallic concentrations. These models are based mainly upon integrated and interdisciplinary approaches through a wide range of investigative methodologies.

Some of the important factors contributing to fertility of granite include magma source, redox conditions, differentiation processes, tectonic setting and emplacement mechanism. Study of accessory and minor mineral phases is also gaining significance to characterize the potentiality of granite. This symposium will provide an opportunity to revisit the known styles of mineralization in granites and advances in related mineral exploration techniques.

Metallogeny in Relation to Subduction

Kirtikumar R. Randive


Boris Belyatsky (Russia),

Craig Storey


Dr. Randive is an Associate Professor of Geology at the RTM Nagpur University and Editor of De Gruyter Open Geoscience. Dr. Randive takes keen interest in the study of magmatism and associated ore forming processes. He authored an international text book on Geochemistry and Medical Geology, published from Singapore.

Dr. Boris Belyatsky is Principal investigator at the Center for Isotope Research, A.P. Karpinsky Geological Institute at St. Petersburg. The main scientific interests are in the study of geochronology and isotope geochemistry. He authored a number of research articles on behaviour and evolution of isotope systems during geological processes and crust-mantle interaction, on isotope dating of the ore-forming processes and searching of ore-forming sources, on the formation and evolution of continental and oceanic crust during Earth history. He supervised and took part in several international research projects and State Program on geological mapping including Polar Regions of the World.

Prof. Craig Storey is Professor of Geology and Associate Head (Research) at the University of Portsmouth, UK. Prof Storey is geochemist and petrologist with a particular interest in understanding the role of and developing the use of accessory minerals to monitor magmatic, metamorphic and metallogenic processes; specializes in in-situ measurement of trace elements and radiogenic isotopes supported by advanced electron imaging and crystallographic characterization. Prof Storey is an Associate Editor of Mineralogical Magazine and has previously been Vice President of the Mineralogical Society of Great Britain and Ireland.

Arc related metallogeny, Porphyry systems, Base metal sulfides, Metasomatic deposits

The spectrum of metal deposit types generated in arc systems is a broad one, but each deposit type can be related to one of the specific tectonic sub-domains within subduction-related volcano plutonic settings. The most fundamental process operative at convergent plate margins is the subduction of oceanic lithosphere, and therefore, it is reasonable to seek an explanation for variations in arc metallogeny in terms of variations of the subducted materials, the style of subduction, and the stress regime in the overriding plate. Metal deposits formed in the principle arc systems as well as inner side of the arcs and arc-related rift include: Porphyry – type deposits, Copper – bearing breccias pipes, Skarn deposits, Epithermal (vein-type) deposits, Massive Magnetite deposits, Manto-type Copper deposits, Contact metasomatic deposits, Polymetallic vein deposits, Back arc gold deposits, Climax – type porphyry molybdenum deposits, Kuroko – type massive sulfide deposits, Palaeozoic volcanic – hosted massive sulfide deposits, Base metal vein deposits, Metal deposits related to fore arc felsic magmatism, Massive sulfide deposits in greenstone belts, Vein – type gold deposits in greenstone belts, IOCG, and Mississippi valley type deposits. This symposium invites abstracts from economic geologists, petrologists and geochemists on the ore-forming processes and metallogeny in subduction-type tectonic setting.

Plume Related Mineralization

K. R. Hari


E. Shaji


Dr. K.R. Hari has research interest on lithospheric architecture and geodynamic setting of mantle and also understanding the metallogeny of precious metals (diamond, gold and PGE) mineralisation, integrating petro-chemistry, mineral chemistry of ores, rocks, fluid inclusion studies, stable isotope systematics and modelling. He has more than 25 years of teaching and research experience.

Dr. E. Sajhi is having more than 18 year teaching and research experience and is an associated editor of Geoscience Frontiers (An Elsevier Journal). He has published several research articles in reputed international journals.

Plume, LIP, Anorogenic, orthomagamtic

Plume generation, migration and impingement in the lithosphere have considerable role in the formation and disruption of supercontinents and generation of mineralized systems. The tectonic cycles have a direct relationship to metallogeny because of the interaction between the continents, tectono-thermal processes related to the orogenic and anorogenic systems, biotic evolution and global sea level changes. The direct and indirect relationship between magmatic and hydrothermal ore systems and their association with mantle plumes can be proxied by the emplacement of mafic and ultramafic magmas associated with flood basalts and LIPs (Large Igneous Provinces), layered intrusions, giant radiating dyke swarms and rift systems.

This symposium intends to address connections between mantle plumes, plate motions, continental assembly and breakup, dyke swarms, intraplate anorogenic volcanism and associated ore deposits.

Manganese metallogenesis in terrestrial rock record

Dr. Dillip Ranjan Kanungo has research experience on mineralogy and geochemistry of manganese ores and associated rocks related to metallogeny, with expertise in EPMA, SEM, XRD & DTA techniques. Possesses 21 years R&D experience in mineral characterization and beneficiation studies of different ores of Indian and foreign origin. Recipient of the IIME Mineral Characterization (Peravadhanulu) Award

Manganese deposits, metallogenesis, rock record, sedimentary basins, redox state of Mn

Manganese occurs in a large span of terrestrial geological record within diverse depositional environments. The four dominant modes of Mn-depositing processes are euxinic basin sedimentary, oxygen-minimum zone sedimentary, volcanic, and karstic processes. Superimposed on these are supergene and metamorphosed Mn ores. In Earth history, the reasons for time gaps in Mn deposition from 2700 to 2300 Ma in the Early Archean and a well-defined gap in sedimentary rock-hosted deposits between 1800 and 1120 Ma, excluding some large volcanic rock-hosted accumulations, requires global attention. The cause of virtual nonexistent of Mesoproterozoic sedimentary rock-hosted Mn deposits is debatable, as there is a major sedimentary rock-hosted deposit of Wafangzi in northeastern China between 1800 and 900 Ma and the age of Sausar manganese belt, central India is controversial. Mn(III) phases are considered as short-lived redox player in suboxic environments, but widespread observations of stable and abundant Mn (III) phases in the rock record needs more discussion. Post-depositional processes and their impact on manganese mineralogy and redox state require detail deliberations. Significance of local basin tectonics rather than global parameters and partitioning of Mn from Fe irrespective of potential source rocks and their control on Mn mineralization from Archean to Recent in terrestrial rock record are some of the points, besides those mentioned above, to be examined and discussed in this symposium.

Rift Related Mineralization: Geological and Geophysical Perspectives

Prabodha Ranjan Sahoo


G Sreenivas Rao (India),

Sahendra Singh (India)

Dr. Prabodha Ranjan Sahoo

His research interest is in understanding the metallogeny of precious (gold and PGE) and base metals using fluid inclusion studies, stable isotope systematics and modelling concept-based exploration strategies. Recipient of the National Geoscience Award, Government of India, for significant contribution in mineral discovery and exploration.

Dr. G Srinivasa Rao,

His research interest is in understanding the lithosphere architecture and geodynamic setting of continental lithosphere and its implications on metallogeny, based on integrated geophysical techniques. He is the recipient of the Inspire faculty award, DST, Government of India and best thesis award from IIT Bombay and Association of Exploration Geophysicists (AEG), India.

Dr. Sahendra Singh,

His research is focussed on the metallogeny of orogenic gold and refractory gold within wide varieties of litho types e.g. greenstones, carbonates and QPC. He has more than 20 years of teaching and research experience, has published several research articles in reputed journals.

Rift, Fluid, Geophysical proxies,SEDEX, IOCG

Geodynamic processes have significant bearing on metallogenesis. A wide variety of mineral deposits e.g. Cu, Pb, Zn, Mo, Ni, PGE and REE’s are formed due to rifting of oceanic and continental crust and occur in association with diverse litho types in global scale. The Intra-cratonic basins, believed to have developed in a rift setting, are potential sites of giant ore systems, such as sedimentary exhalative (SEDEX), stratiform, stratabound and Iron oxide copper gold (IOCG) deposits. However, their mechanism of formation is not yet fully understood. Many of the features previously ascribed to subduction-related systems have been explained by post-collisional intracontinental and extensional settings. The influence of mantle-related magmatic processes such as emplacement of orogenic rift related granites, alkaline rock-carbonatite complexes and kimberlites are also less understood and need attention. This symposium calls abstracts on all these issues.