Sökning: "geokemi"
Visar resultat 16 - 20 av 284 avhandlingar innehållade ordet geokemi.
16. Geochemistry of coastal Baltic sediments : processes and sampling procedures
Sammanfattning : Quantitative and experimental studies on Recent sedimentary processes, with particular reference to element dynamics and mass transport, were conducted in a coastal area of the north-western Baltic proper. A five-year geochemical study reports sediment trap catches, and estimates the flux dynamics of resuspended sediments and primary settling matter. LÄS MER
17. Crustal evolution in the southeastern part of the Fennoscandian Shield
Sammanfattning : .... LÄS MER
18. Sulfur isotopes used as a tracer of acidification reversal, dispersion of acid mine drainage and sulfur dynamics in small and large catchments
Sammanfattning : .... LÄS MER
19. Iron isotopes in aquatic systems
Sammanfattning : The cycling of iron (Fe) is a key component for understanding water quality and biogeochemical processes. It serves as mediator during biotic and abiotic processes, as electron acceptor during the degradation of organic matter, as surface for trace element and organic matter adsorption, and is necessary for primary production processes. LÄS MER
20. Cementation of cyanidation tailings – effects on the release of As, Cu, Ni and Zn
Sammanfattning : Knowledge about mineralogy and chemical composition in sulfidic tailings is essential to predict how tailings management may affect the future leachate quality. At a gold mine in the north of Sweden, gold was extracted from inclusions in arsenopyrite and pyrrhotite by the use of cyanide. LÄS MER