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在用粉末图测低对称晶胞参数的基础上,提出了测定长石晶胞参数的具体方法,并测定了庐枞盆地及娘娘山地区各种长石的晶胞参数。同时还一般地讨论及引述了碱性长石、斜长石、三元长石成分与结构状态的测定问题,并提出了用X光法同时确定三元长石及斜长石成分与有序度的可能性。在以上讨论的基础上,根据所测数据具体地确定了两个地区长石的成分和有序度,得出一些初步结果。
On the basis of measuring the symmetrical unit cell parameters by the powder diagram, a specific method for determining the parameters of the feldspar cells was proposed and the unit cell parameters of various feldspars in the Luzong basin and the Nyiangshan area were determined. At the same time, the problems of determination of alkaline feldspar, plagioclase, ternary feldspar composition and structure state are also discussed and quoted in general. Meanwhile, the composition and ordering of ternary feldspar and plagioclase determined by X-ray method Degree of possibility. Based on the above discussion, the composition and ordinal degree of feldspar in the two areas were determined based on the measured data, and some preliminary results were obtained.