DeRidge is an initiative for national co-operation in ridge studies which is connected to InterRidge (Initiative for international cooperation in ridge-crest studies) as an associated member since 1994. Since 1996 DeRidge participates as principal InterRidge member. A multi-phase programme is planned in coordination with the other InterRidge national programs UK BRIDGE, US RIDGE and French Dorsales.
Mid-Ocean Ridge research by German institutions has been carried out intensive since 1969 in the context of mineral resources research. In addition to the reconnaissance studies of natural resources generated in active mid-ocean ridges, other aspects have become important more recently, such as mass transfer and exchange processes between the deep earth, the crust, the circulating seawater, and the influence on the oceanic environment. Major topics include hydrothermal activities, metalliferous sediments and ore deposits, petrology of mid-ocean ridge magmas and mantle sources, structure and evolution of oceanic crust and mantle, and the sedimentary environment in mid-ocean ridges.
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