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Theme Session - New and Frontier Areas

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1. Applied mineralogy (metallurgy, exploration, environmental management  and remediation)

2. Non traditional geochemical and microchemical methods: applications in ore genesis and exploration

3. Mining and the environment: issues and solutions

The special session aims to bring together researchers studying environmental aspects of mining and mine sites. Topics include: (1) waste characterisation; (2) prediction, prevention and control of mine drainage and pollutant releases from mine sites; (3) improved mine waste management aimed at reducing adverse impacts of pollutants in the environment; (4) metals at mine environments pertaining to background concentrations, natural versus anthropogenic contributions; (5) water, soil and air quality around mine and metallurgical sites; (6) bioavailability, human health and ecological risk assessment; (7) post mining land use, including mine, land and waterways rehabilitation and related environmental protection issues.

4. Finding  resources under cover: new geophysical and imaging techniques for exploration

5. Structural controls on mineralization, conceptual targeting and prospectivity/endowment analysis

 Empirical prospectivity analyses have reached great sophistication and yielded successful results, although there are still many possible new areas and commodities to which they can be applied. Conceptual targeting offers a different approach that is particularly relevent in the early stages of exploration prigrams and/or where empirical data are sparse. Structual controls in mineralization are one of the most important imputsinputs into either type of prospectivity analysis. Extensive research in quantative endowment analysis, which may utilise paramaters obtained from empiral prospectivity studies, has, produced several techniques for predicting deposit density, grades and tonnages. This session will cover structural controls on mineralization, and the entire range of targeting/prospectivity/endowment analyses: contibutions suggesting new methods are particularly welcome

6. Numerical simulations of hydrothermal systems 

Numerical simulation of hydrothermal systems is a frontier area within the earth sciences that can advance understanding of geological processes and the complex interplay between deformation, heat flow, fluid flow, and chemical reactions that produce alteration halos and ore deposits. Most important, it can help us interpret field observations in the context of the scale and anatomy of the system, vectors towards mineralization, and identify the key processes that are required to generate significant deposits. We invite contributions that describe the full array of numerical modelling techniques, results, and interpretations, and challenge the authors to translate their findings into exploration criteria.

 7. Three dimensional modelling: development and application of 3D geomodelling in mining and mineral exploration

Three-dimensional reconstructions in mining and mineral exploration for base, precious and industrial minerals represent a standard approach to facilitate these activities . Objectives include the reconstruction of geological patterns from limited information to take advantage of augmented visualisation techniques.

Significant effort focused in the past decade on the use and development of geo-mathematical tools to quantify 3D spatial variations. Qualitative and quantitative modelling allows an improved understanding of ore genetic processes and reduces significantly the risks involved with extraction and prospection for mineral deposits. Recent examples, for instance, look at integrating information from indirect measurements of Earth (3D geophysical inversion) to target economic deposits undercover, rather than relying exclusively on surficial interpretive information. Further, to obtain more accurate 3D models with limited geological information, new interpolation and geostatistical estimation methods, partly derived from information technology and statistics (e.g. neural networks, support vector machines and other linear and non-linear approaches) are also an important topic that will be considered in this symposium. Uncertainty of 3D models as a help to exploration risk reduction will also be considered.

This session will provide a forum for contributions on case studies involving 3D reconstructions of ore deposits and examples of mineral exploration carried out using 3D modelling at all scales. We also welcome discussions on the state of the art methodologies used to generate 3D reconstructions. The purpose is to clarify the next steps required to understand more of ore systems, using 3D computational geoscience.

8. Tectonic analysis and history of terrains as indicators of metallogenic fertility      

The geodynamic setting and its associated architecture form first-order indicators of a terrain’s metallogenic fertility. These indicators are best determined by tectonic analysis that integrates the structure, metamorphism, stratigraphy, magmatism and metallogenesis of the terrain. The analysis needs to be conducted across a range of scales and in time as well as space. We seek innovative papers and tectonic case studies from metallogenic terrains across the globe. We are particularly interested in fully integrated studies and those that compare endowed with non-endowed terrains.




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