In this paper, we show that supercritical fluids have a greater significance in the generation of pegmatites,and for ore-forming processes related to granites t
In the present study,six sediment cores were collected from six river-dammed reservoirs to reveal the geochemical distribution of heavy metals(As,Cd,Pb,Sb,and Z
Quartzites are widespread within Earth's lithosphere,but their highly pure varieties occur quite infrequently.With the development of alternative energy sou