There are number of geoinformation approaches and modeling tools to the numerical measurement of natural hazards,including direct and indirect heuristic approaches,and deterministic,probabilistic,stat
Ultrahigh temperature(UHT) metamorphism is the most thermally extreme form of regional crustal metamorphism,with temperatures exceeding 900℃.UHT crustal metamo
U-Pb analyses were carried out on detrital zircon grains from major river-mouth sediments draining South Korea to infer provenance characteristics and the crust