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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




Ore forming processes and systems

Prof. Sisir K. Mondal


Prof. Biswajit Mishra


Dr. Jan Pasava

(Czech Republic)

Dr. Richard Goldfarb


Dr. David Lentz


A. Pitawala

(Sri Lanka)


Magmatic Processes and Ore Deposits

Mei-Fu Zhou (Hong Kong, China)

Ibrahim Uysal (Turkey)

J. Gregory Shellnutt (Taiwan)

Shoji Arai


Magmatic ore deposits (e.g., chromite, Ti-V-bearing magnetite, Ni-Cu-sulfides and PGE) are formed from ultramafic-mafic magmas due to high temperature crystallization processes. This symposium will cover the current state of knowledge and understanding of these deposits across the world, in particular of the deposits of chromite, Ti-V-bearing magnetite, PGE associated with chromitite and/or sulfides, and Ni-Cu-sulfides in mafic/ultramafic rocks including komatiites. This symposium invites contributions on the fundamental processes which control the formation of these deposits through space and time.

Hydrothermal Processes and Ore Deposits

Franco Pirajno


Nigel Cook (Australia)

The formation and development of hydrothermal mineral systems is a consequence of interaction of metal enriched fluids (from diverse sources) with a wide variety of host rocks. Circulation of hydrothermal fluids and their interaction with surrounding rocks, result in heat and mass transfers between the fluid and rock, which leads to precipitation of ore minerals and the formation of alteration zones surrounding the ore bodies. Field observations (ground truth) integrated with microscopy, chemical and isotopic analyses of ore and gangue minerals are essential in the understanding of hydrothermal ore forming processes. This symposia invites contributions covering various genetic aspects of broad deposit types such as (i) orogenic/intrusion associated gold, (ii) base metals, and (iii) Sn-W-rare metals (+REE).

Sedimentary Processes and Ore Deposits

Andrey Bekker (USA)

Nicolas J Beukes (South Africa),

Harilaos Tsikos (South Africa)

Carlos Alberto Rosière (Brazil)

Joydip Mukhopadhyay (India)

Bertus Smith

(South Africa)

A number of mineral deposits are hosted in sedimentary rocks. Sedimentary processes are responsible for the origin of these ore deposits (e.g., placer deposits, phosphorites, bauxites, Fe and Mn deposits, evaporites); alternatively, sedimentary rocks could behave as a trap for mineral enrichments (e.g., Cu-stratiform deposits, U rollfront deposits) due to their variable redox state. Significant progress has been made in our understanding of sedimentary processes responsible for ore deposits and the origin of sediment-hosted ore deposits. This symposia invites contributions and proposals for technical sessions dealing with processes responsible for sedimentary and sediment-hosted ore deposits are solicited for this symposium.

Fluid/melt Inclusions, Trace Element and Isotope Geochemistry in study of Ore Deposits

Robert Bodnar


Svetlana Tessalina (Australia)

Fluid/melt inclusions, trace elements and isotope geochemistry are the indispensable tools in ore deposits studies, unravelling the details about timing of ore emplacement and ore forming processes. This particular symposium will be focusing on two major aspects such as (1) Fluid/melt inclusions in ore deposit studies and (2) Application of isotopes in ore deposits studies. One of the major focuses will be on their applications in ore exploration.

Solubility of Metals in Melt/Fluid Systems

Anna Vymazalová

(Czech Republic)

Hassan Helmy (Egypt)

This symposium welcomes contributions that enhance our understanding of metal solubility, speciation, and transport in geologically-relevant fluids (aqueous or non-aqueous) and melts (silicate, sulfide, carbonate) in ore-forming environments.

Metamorphism and Ore Remobilization

Xiaochun Li (Hong Kong, China)

Richen Zhong


Various mechanisms may contribute to metamorphic remobilization of ore deposits. These include (i) mechanical (stress-induced), hydrothermal (fluid-assisted), and (ii) sulfide partial melting (melt-driven). Mechanical remobilization modifies morphology of the ore body, apart from significant recrystallization of ore and gangue minerals. Hydrothermal remobilization accounts for dissolution and re-precipitation of ore-bearing phases. Sulfide partial melting can take place from upper-green schist to granulite facies. Studies have demonstrated that prograde partial melting of sulfides and consequent crystallization is a significant ore remobilization mechanism, which leads to enrichment of strategic elements in the remobilized ore, which were initially disseminated. With the improved chemical/isotopic analytical techniques, it is possible to characterize the metamorphic fluids and the nature of sulfide partial melting during remobilization. This symposium invites contributions on various such aspects of Metamorphism and ore remobilization