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A DISCOVERY OF VERTICAL ZONATION OF THE ROCKS IN THE DEEP-LEVEL NAPPE STRUCTURAL ZONE IN WESTERN GUANGDONG

张伯友, 俞鸿年

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Abstract

There are many Sinian-Cambrian (Z~c-∈_b) epimetamorphic blocks either in groups or scatteredly covering the granitoids in the area of Guangning-Zhaoqing, the northwestern part of Wuchuan-Sihui faults in western Guangdong (Fig. 1). It has been shown that the blocks are allochthonous, i. e. klippes of thrust, and the granitoids are of a part of the slip system which consists vertically of mylonites, migmatites and granites from top to bottom in the deep-level nappe structural zone. Based on this discovery, the authors suggest a new model of fractural metamorphism (thermodynamic metamorphism).

About this research paper

What this paper is about

There are many Sinian-Cambrian (Z~c-∈_b) epimetamorphic blocks either in groups or scatteredly covering the granitoids in the area of Guangning-Zhaoqing, the northwestern part of Wuchuan-Sihui faults in western Guangdong (Fig. 1). It has been shown that the blocks are allochthonous, i. e. klippes of thrust, and the granitoids are of a part of the slip system which consists vertically of mylonites, migmatites and granites from top to bottom in the deep-level nappe structural zone. Based on this discovery, the authors suggest a new model of fractural metamorphism (thermodynamic metamorphism).

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Available abstract

There are many Sinian-Cambrian (Z~c-∈_b) epimetamorphic blocks either in groups or scatteredly covering the granitoids in the area of Guangning-Zhaoqing, the northwestern part of Wuchuan-Sihui faults in western Guangdong (Fig. 1). It has been shown that the blocks are allochthonous, i. e. klippes of thrust, and the granitoids are of a part of the slip system which consists vertically of mylonites, migmatites and granites from top to bottom in the deep-level nappe structural zone. Based on this discovery, the authors suggest a new model of fractural metamorphism (thermodynamic metamorphism).

Key concepts: Geology, Nappe, Metamorphism, Migmatite, Mylonite, Geochemistry, Petrology, Paleontology

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A DISCOVERY OF VERTICAL ZONATION OF THE ROCKS IN THE DEEP-LEVEL NAPPE STRUCTURAL ZONE IN WESTERN GUANGDONG — Research Paper | ScholarLens