阿尔泰山第四纪气候波动与砂金矿

THE CLIMATIC FLUCTUATION IN QUATERNATY AND THE FORMATION OF GOLD-PLACERS IN ALTAI MOUNTAINS

本文着重对阿尔泰山砂金矿区沉积地层和地貌的研究,反映出阿尔泰山第四纪以来的气候波动状况,并分析其与砂金矿形成的关系。认为温暖湿润的适宜期往往与砂金的成矿期相一致,对应着温湿的气候期主要有早更新世成矿期,中更新世最大间冰期成矿期和晚更新世多期次成矿期.

The climatic fluctuation of Altai Mts. during the Quaternary is indicated by investiga-tion of stratigraphy, geomorphy and paleo glacier, which we reserched many localities ingold-places area. The studies also discovered the relationship between the climatic changeand strata containing gold. We believe that Early Pleistocene Epoch is cold and moist, andthen developed three glaciation, the second glaciation is strongest. Its interglacial period isthe warmest and the most effective precipitation in Quaternary. The warmer and more ef-fective precipitation periods are general identical with the gold-placers mineralized periods.According to the favourable climatic periods, chief gold-placers mineralized period areEarly Pleistocene Epoch, the great interglacial period in Middle Pleistocene Epoch and latePleistocene Epoch.