Affiliation: | School of Geographical Sciences,Hunan Normal University,Changsha 410081,China;School of Geosciences and Info-Physics,Central South University,Changsha 410083,China;School of Geographical Sciences,Hunan Normal University,Changsha 410081,China;School of Earth and Space Sciences,Peking University,Beijing 100871,China;School of Geosciences and Info-Physics,Central South University,Changsha 410083,China;Department of Geology,University of Regina,Regina,Saskatchewan S4S 0A2,Canada |