蚀变

• Located in the central part of the qianhe - miaoling - manyu metallogenic belt , the xiaonangou deposit in songxian county is a typical tectonic altered rock type gold deposit
  摘要嵩县小南沟金矿床位于前河庙岭蛮峪成矿带中部，是典型的构造蚀变岩型金矿床。
• From the study of lanthanon , we know that quart - vein is the single production of hydro mineralization . etch rock and mineralized rock are the mix outcome of hydro mineralization and wall rock materials
  稀土元素研究结果反映石英脉是成矿流体的单纯产物，而蚀变岩和矿化岩石则是成矿流体与围岩物质的混合产物。
• The nw yunnan area is one of the famous tectonic - metallogenic regions in southwestern china , and a series of engineering problems always occur because of the existence of altered rocks formed by hydrothermal action
  摘要滇西北地区是中国西南地区最重要的构造成矿带之一，与其相伴出现的蚀变岩常引起一系列工程问题。
• Compared with muluntau gold deposit from background of geotectonics , wall rocks , features of ore bodies , mineral components of ore , features of alterations , and fluid inclusion , saerbulake gold deposit is typical of muluntau type
  摘要从大地构造背景、赋矿田岩、矿体特征、矿石物质组分、蚀变特征和流体包裹体等几方面，将萨尔布拉克金矿和穆龙套金矿进行了对比，二者有着相近的地质特征，提出萨尔布拉克金矿属于穆龙套型。
• In this paper , the geologic features of carlin type gold deposits in tangxinzhai are expounded , relations of metallogenic with lithologic characters , structure and wall rock alterations are summed up , and its metallogenic conditions and metallogenesis are described preliminarily
  本文结合区域地质背景叙述了塘新寨微细浸染型金矿床地质特征，探讨了成矿与地层岩性、构造、蚀变的关系，并初步探讨其成矿条件与成矿作用。
• By study hongyan deposit on minerogenetic and geological background , mineral constituent , rock alteration , rare - earth element , isotope and typomorphic feature of sulpurization mineral , we made a conclusion that the feature of haongyan is deposition - rebuilding desposit
  通过对红岩矿床的成矿地质背景、矿物成分、围岩蚀变、稀土元素组成、同位素以及硫化物的标型特征进行研究，确定了红岩矿床的成因为沉积?改造型矿床。
• It was shown by field investigation and lab tests that the types of altered rocks were mostly those of montmorillonitization , and the altered clay mineral was mainly pure montmorillanite , which rendered the altered rock both soft and expansive
  野外地质调查和室内测试表明：滇藏铁路滇西北段出露的多为蒙脱石化蚀变岩带，蚀变岩的黏土矿物组成绝大多数都是单矿物的蒙脱石，导致该地区的蚀变岩既是强度极低的软岩，又是典型的膨胀岩。