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一、前言本矿床产在桃山多期多阶段多次侵入的复式花岗岩体中。为了研究铀的成矿与不成矿花岗岩体中长石(包括钾钠或碱性长石以及斜长石)的光学特征及其结构状态,我们对若干个成矿岩体和数个尚未发现具有工业矿体的岩体,主要采用光学方法,红外(吸收)光谱法以及 X 光粉晶衍射法等对其中的长石成分及结构状态进行了测定。本文着重描述用费氏旋转台法测定长石的光学特征并探讨其结构状态,以找出铀的成
I. Foreword The deposit is produced in multisite granite with multiple stages of multi-stage intrusion in Taoshan. In order to study the optical characteristics and structural state of feldspar (including potash sodium or alkaline feldspar and plagioclase) in uranium mineralization and non-ore-forming granite bodies, we studied several ore-forming rock masses and several non- The ore bodies of industrial ore bodies are mainly determined by optical methods, infrared (absorption) spectroscopy and X-ray powder diffraction methods. This paper focuses on the determination of the optical characteristics of feldspar by means of the Freunds rotating table and its structural state to find out the uranium