EGU General Assembly 2008
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  Information - GMPV29 Dissolution and Precipitation of carbonates

Event Information
The precipitation and dissolution behaviour of carbonates plays a major role for the formation of sediments, sedimentary rocks and during sinter formation and scaling in man-made systems such as tunnel sections and oil fields. Mechanisms and kinetics are strongly related to the physicochemical conditions of the respective system, specific reactions at the solid liquid interface and mineralogy. Element and isotope signatures of carbonates and the use of a multitude of experimental approaches are an efficient way to decipher carbonate formation conditions. Detailed laboratory and field studies are still required for constraining carbonate geochemistry in relation to climate and environmental change, and for quantifying kinetics to enhance the usefulness of scale prediction models. Applied studies comprise the negative consequences of sinter formation and scaling occurring in anthropogenic environments and potential remediation using various scale inhibitors. Experimental, theoretical and field studies are greatly appreciated to crosslink results from the above mentioned investigative approaches, including

(1) experimental and field data on the geochemical reactivity of carbonates
(2) crystallization, precipitation, trace element incorporation and
solid solution formation
(3) inhibition of carbonate precipitation during scaling and sinter formation

Preliminary List of Solicited Speakers


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