Abstract:The Triassic granites in the West Kunlun—Pamir region is intricately linked to the evolution of the ancient Paleo- Tethys and metallogenesis of rare metals. Through the geochemical test of Qiongrang two- mica granites, the metallogenic potential of Li—Be rare metal deposit is determined in Muji area.Results:We conducted a comprehensive study of the petrology, zircon U- Pb geochronology, major and trace element geochemistry, and zircon Hf isotopic analysis of two- mica granites from the Qiongrang, SW Muji, NE Pamir. Zircon U- Pb dating yield the age of around 211.6 Ma, suggesting two- mica granites from the Qiongrang emplaced at Late Triassic. The two- mica granites from the Qiongrang exhibit high levels of SiO2 (73.24% ~ 74.09%), Al2O3 (14.50% ~ 15.01%), and K2O (5.52% ~ 5.75%), and low TiO2 (0.15% ~ 0.18%) and MgO (0.30% ~ 0.37%). They also exhibit strongly peraluminous geochemical features (A/CNK = 1.12 ~ 1.15). The studied rocks are rich in Rb, Th, U, K and LREE, depleted in Sr, Ba, Nb, Ta, Ti, P and HREE, with obviously fractionation of LREE and HREE ((La/Yb)N = 44.62 ~ 54.58) and negative Eu anomaly (Eu/Eu* = 0.52 ~ 0.59), belonging to strongly differentiated S- granite, formed by the dehydration melting of mica from metamudstone sources. The zircon εHf(t) value of two- mica granites from the Qiongrang from -7.93 to -0.91, and the zircon εHf(t) value of the Dahongliutan granites range from -8.8 to -1.4. Conclusions: The Qiongrang two- mica granites in Muji Town contain relatively high levels of Li and Be, and they are closely related in time—space to the Dahongliutan rare metal pegmative veins, it is speculated that the Qiongrang two- mica granites in Muji Town possess significant potential for the exploration of hard- rock lithium—beryllium mineralization.