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1977年,地质力学研究所浦庆余、钱方等同志在青藏高原进行野外地质补点过程中, 于羊八井盆地内藏布曲北岸的一级阶地上采得硅藻土样品一块(图1),送作者鉴定。翌年
In 1977, Comrades Pu Qingyu and Qian Fang of the Institute of Geomechanics took a sample of diatomaceous earth on the first terrace of the northern shore of Buqu in the Yangbajing well during field geologic up-fill in the Qinghai-Tibet Plateau 1), send the author identification. The following year