...,montmorillonite)则是次生矿物质的主要成分. 除这些主要矿物质外,铁和锰的氧化物是含量最高的 副矿物(accessory minerals),有机和其它含碳物质也会随时间逐渐在沉积物中积累,甚至可能达到很高 的比例. 如曾有报道有机组分在河口湿地沉积物中比例高达...
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The characteristics above mentioned are the signs profitable for formation of Au and Cu ore deposites. Comparing with the granitoid from Jiaodong Guojialing in mineralogy, the minerals in the granitoid in Nimu-Qushui granitoid crystallized in the environment of oxidization, the granitoid has a characteristic of rich volatile components and a high content of alkali, the rock-forming minerals and accessory minerals have a characteristic of I-type granite, and the granite shows a characteristic in favor of An and Cu ore formation.
通过与胶东郭家岭地区的花岗岩类的矿物学进行对比,可知本区花岗岩类矿物结晶时处于氧化状态,具有富含挥发分的特征,碱质含量高,造岩矿物及副矿物表现出Ⅰ型花岗岩特征,具有壳幔混源物质,表现出有利于金、铜矿形成的花岗岩类的矿物特征。
参考来源 - 西藏尼木曲水一带花岗岩类成因矿物学及找矿潜力·2,447,543篇论文数据,部分数据来源于NoteExpress
Accessory minerals are disregarded in classifying rocks.
副矿物在矿石分类中被淘汰。
Accessory minerals and retrograde fluids are main factors controlling the trace elemental behavior during retrograde metamorphism.
副矿物和退变质流体是控制退变质过程中微量元素行为的主要因素。
Forster established the essentiality of minerals as accessory food factors required for maintaining life.
福斯特证实了矿物质作为辅助食物因子在维持生命方面的重要性。
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