<Ul> <Li> Tholeiitic volcanic series </Li> <Li> Alkalic volcanic series </Li> <Li> Hyaloclastite </Li> <Li> Tephras and ash </Li> </Ul> <Li> Tholeiitic volcanic series </Li> <Li> Alkalic volcanic series </Li> <Li> Tephras and ash </Li>

What is unique about the plate tectonic setting of iceland