Paleoproterozoic metavolcanic rocks in the Ji’an Group and constraints on the formation and evolution of the northern segment of the Jiao-Liao-Ji Belt, China

In this paper we present new petrological and whole-rock geochemical data for the Paleoproterozoic metavolcanic rocks in the lower part of the Ji’an Group within the northern segment of the Jiao-Liao-Ji Belt, China, as well as U–Pb dates and Lu–Hf isotope data for the zircons in these rocks. The new data help in understanding the original nature of these volcanic rocks, as well as their tectonic setting and the formation and evolution of the...