It was the first time that gravity separation method was applied to processing Jinning phosphate rock.
将重选方法应用于晋宁磷矿尚属首次.
The heavy liquid separation with temperature changing has been applied to separate minerals of muscovite, biotite, sanidine and quartz to obtain several fractions with respect to specific gravity difference. All of them were dated by conventional Rb-Sr isochron method.
报道了应用重液变温分离法分离白云母、黑云母、透长石和石英等单矿物,进行铷锶等时线年龄测定的研究结果。
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