The petrological and mineralogical characteristics of Cenozoic kamafugite and carbonatite association in West Qinling, Gansu province: China

Abstract

Kama fugites are ultra- potassic volcanic rocks which occur in continental rifts. Kamafugites are associated to carbonatites and this occurrence, to our knowledge, is only known from a very few places all over the world. The Cenozoic kamafug ite and carbon atite association in West Qinling, Gansu province was not know in the world so far. This paper provide a description of the petrological and mineralogical characteristics of the West Qinling kamafugite and carbonatite rocks in some detail. Representative, whole rock and essential minerals