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作者根据国內外各类銅矿床的围岩蝕变及矿物共生关系等大量資料,說明鉀质交代作用—鉀长石化、黑云母化、白云母—絹云母化、云英岩—絹英岩化及黄铁絹英岩化—与钼矿床有着密切的成因联系,从而論証碱质交代作用的成矿专属性,并确定钼矿床形成过程的各个矿化阶段的順序;鉀长石化(及黑云母化)→云母化(白云母—絹云母化)→云母—石英化(云英岩—絹英岩化)→矽化和粘土化。这一发展过程,符合于温度、K~+/H~+活度比值及pH值降低的过程,輝钼矿的形成是从晚期鉀长石化阶段开始,到云母化阶段和云母—石英化阶段发生最重要的集中,此說明輝钼矿是在退化碱质交代过程中沉淀集中的。上升的成矿溶液在时間上这样的演化过程,影响到蝕变围岩和成矿物质在空間上的有规律的分布,即从鉀长石化带→云母—石英化带→矽化或粘土化带(在发育完全的情况下),而輝钼矿主要集中于鉀长石化带的前鋒和云母—石英化带中,在强烈的矽化带中很少有钼的集中。文章还討論到钼矿床与侵入岩的成因联系。
Based on a large amount of data such as the alteration of the wall rocks and the symbiosis of minerals in various copper deposits at home and abroad, the authors show that potassium metasomatism-potassium feldspathization, biotitization, muscovite-sericitization, kerogen-sericite petrochemistry And the yellow-iron-siliceous rocks - are closely related to the molybdenum deposit, so as to demonstrate the mineralization specificity of alkali metasomatism and determine the sequence of various mineralization stages during the molybdenum deposit formation. The sequence of potassium feldspar (and biotite) → Michemization (Muscovite-Sericite) → Mica-Quartzization (Micelite-Silicealization) → Silicification and Clayification. The development process is in line with the process of temperature, K ~ + / H ~ + activity ratio and pH value reduction. The formation of molybdenite begins from late K-feldspar stage to micaization stage and mica-quartzification stage The most important concentration occurred, indicating that the molybdenite is concentrated during the metathesis of the degraded alkali. The evolution of the ascending ore-forming solution in time affects the spatially regular distribution of altered rocks and ore-forming materials, ranging from K-feldspar → mica-quartz → silicification or clayification (When fully developed), whereas molybdenite is mainly concentrated in the feldspar and mica-quartz zones of the K-feldspar zone, where there is very little concentration of molybdenum. The article also discusses the genetic relationship between molybdenum deposits and intrusive rocks.