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泸水——龙陵——瑞丽一线以西直抵中缅交界线之间广泛分布的一套结晶片岩及各类混合岩,称为腾冲——瑞丽变质带。它地处“三江”褶皱系南部,区内混合岩化与前寒武纪结晶基底混合岩化有所不同。详细研究本区混合岩化特征及成因,不仅对加深“三江”地区基础地质方面的认识有所裨益,且对在本区找寻与混合岩化作用有关的矿产有着重要的意义。本文根据我队二十多年的集体劳动成果,以个人的认识,讨论本区混合岩化基本特征及成因类型,不当之处,请批评指正。
Lushui - Longling - Ruili line west of China and Myanmar led straight to the boundary between a set of widely distributed crystalline schist and various types of mixed rock, known as the Tengchong - Ruili metamorphic belt. It is located in the south of the “Sanjiang” fold system. The mixed rock formation in the area is different from that of the Precambrian crystalline basement. A detailed study of the characteristics and causes of mixed lithification in this area not only helps to deepen understanding of basic geology in the “Sanjiang” area, but also is of great significance for the search for mineral resources associated with migmatising in this area. Based on the collective labor achievements of our team for more than 20 years and based on my personal understanding, this article discusses the basic characteristics and causes of formation of mixed rocks in this area.