Evidence of Tectonism from 3He and residence time of helium in the Black Sea
作者： Zafer Top , Erol Izdar , Mustafa Ergü , Tosun Konuk
DOI: 10.1029/90EO00257
关键词: Seafloor spreading 、 Deep sea 、 Saturation (chemistry) 、 Water column 、 Geology 、 Hydrothermal circulation 、 Oceanography 、 Tectonics 、 Helium 、 Structural basin
摘要: The presence of 3He in excess its saturation the deep ocean is an unmistakable sign for exchange between water and material magmatic origin. For example, locations such as Galapagos Spreading Center or Red Sea, substantial excesses this isotope bear witness to present past hydrothermal activity at seafloor [Jenkins 1978; Lupton et al., 1977]. Our measurements Black Sea 1988 show that there about 13% column southern half basin with indications injection may be occurring along coast. This must related tectonic activity, also observed happening south
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