福建省区域地质构造特征

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福建自晚太古代以来经受了多次造山运动影响,尤以燕山期构造—岩浆活动最为强烈和频繁,以致省内华夏古陆不断发生裂解及增生。省内的北北东—北东东、北西—东西及南—北走向断裂十分发育,形成大小不同的断块(地体)。最突出的是南平—宁化(北东)断裂带与政和—大埔(北北东)构造—岩浆带相交汇,将福建省割切为闽西北、闽西南及闽东3个地体。本文对主要断裂及三大地体的构造—岩浆活动、变质—变形、岩浆侵入与喷发、地体的分离与拼接的演化历史进行概略阐述。总之,福建省是经多期造山作用由不同地体或断块拼接而成的复合造山带 Fujian has experienced many orogenic activities since the Late Archean, especially the Yanshanian tectono-magmatic activity was the most intense and frequent, resulting in the continuous cracking and proliferation of the ancient Chinese mainland in the province. The North-East-North-East, North-West and East-North and North-North faults in the province developed very well, forming blocks of different sizes (terrane). Most prominent is the intersection of the Nanping-Ninghua (North East) fault zone with the structure of the Zhenghe-Tai Po (North-East) tectono-magmatic belt, cutting Fujian Province into three territories, namely, northwestern Fujian, southwestern Fujian and eastern Fujian. The paper mainly expounds the history of the main faults and the tectonics of the three terraces - magmatism, metamorphism and deformation, magma intrusion and eruption, and the separation and splicing of the terrane. In short, Fujian Province is a complex orogenic belt formed by multiple orogenies or spliced ​​blocks formed by multiple orogenies
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