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The DFG-funded Priority Programme DOME (SPP 2238) addresses open questions regarding the dynamics of ore-metals enrichment in nature. Economic ores of most metals require enrichment by a factor of about 1000 from the typical concentrations in Earth's crust and mantle. Providing resources for the present and future generations requires effective, knowledge-based predictive models of how this enrichment takes place. The enrichment of metals in nature involves coupled processes of mineral dissolution, fluid/melt transport and precipitation in multi-component systems under changing pressure-temperature conditions; biotic processes may also be important in near-surface environments. Ore deposits are defined and exploited at the mine scale, but they can only be understood as the result of a process chain that operates over long time scales and in large and complex geological systems.
Key aspects and focus areas of the Priority Programme are:
A: Research on natural systems will focus on the following deposit types: (1) high-temperature magmatic-hydrothermal deposits in continental settings, and (2) low-temperature sediment-hosted hydrothermal deposits in marine settings (past or present). Exemplary deposits of both types are found in Europe and thus, proposals should focus on the European core region, taking advantage of information, databases and research collections available. Other study areas may be considered if their inclusion contributes important additional insights that would strengthen the programme, e.g. active marine systems like the German INDEX exploration site in the Indian Ocean.
B: Laboratory and numerical simulation studies should address missing material properties and process parameters of the systems addressed in (A), i.e. mineral solubility and metal speciation in complex high- and low-temperature fluids, including the effects of phase transitions; properties and dynamics of fluids, fluid flow and fluid-rock interaction; equilibrium vs. kinetic control of processes; and the role of organic matter and micro-organisms in metals enrichment. Integrated numerical process modeling should aim at extrapolating the short spatial-time scales of laboratory simulations to geologically relevant time scales and regional scale of ore deposits.
Research proposals should contribute to at least one of these theme areas; synergistic proposals covering aspects of both are particularly encouraged.
The proposals must be written in English and submitted to the DFG by 01 October 2019. Please note that proposals can only be submitted via elan, the DFG’s electronic proposal processing system. To enter a new project within the existing Priority Programme, go to Proposal Submission – New Project – Priority Programmes and select “SPP 2238” from the current list of calls.
In preparing your proposal, please review the programme guidelines (form 50.05, section B) and follow the proposal preparation instructions (form 54.01). These forms can either be downloaded from our website or accessed through the elan portal. In addition to submitting your proposal through elan, please send an elec-tronic copy to the programme office: SPP2238@geo.uni-potsdam.de.
Applicants must be registered in elan prior to submitting a proposal to the DFG. You will normally receive confirmation of your registration by the next working day. Note that you will be asked to select the appropriate Priority Programme call during both the registration and the proposal process.
The elan system can be accessed at: https://elan.dfg.de/en/