An example to sepiolite formation in volcanic belts by hydrothermal alteration: kibriscik (bolu) sepiolite occurrence... Differing from the sedimentary sepiolite deposits, mostly associated with the carbonate/evaporite sequences, Kıbrıscıksepiolite occurs in the Köroğlu (Gallatian) Volcanic Belt, and has formed by the hydrothermal alteration of the vitric tuff unit ofMiddle Miocene aged Deveören Volcanites....
Upper permian evaporites and associated rocks of dalmatia and borderline area of lika and bosnia...Dalrnatia, as well as in thesoutheastern Lika and western Bosnia, the evaporite complex composedmainly of gypswn and anhydrite and associated rocks: clastics, carbonateand somewhere volcanites have been investigated....
Mineral chemistry and geochemistry of volcanic rocks in the north of pasinler (erzurum)... These volcanites are composed of basaltic andesite, andesite, dacite, rhyolite lavas and rhyolitic pyroclastics....
Geology and geochemical features of early paleozoic volcanites sakmara and voznesenka-prisakmarian zones in southern urals... Island arc volcanites of suprasubduction association are not discussed here....
