中国东南大陆中生代构造域的转换及其与成矿的关系——以闽西南地区为例

吴淦国; 张达; 陈柏林; 吴建设

Volume 25 Issue 4

Jul. 2000

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Article Navigation > Earth Science > 2000 > 25(4): 390-396

WU Ganguo, ZHANG Da, CHEN Bolin, WU Jianshe, 2000. TRANSFORMATION OF MESOZOIC TECTONIC DOMAIN AND ITS RELATION TO MINERALIZATION IN SOUTHEASTERN CHINA: AN EVIDENCE OF SOUTHWESTERN FUJIAN PROVINCE. Earth Science, 25(4): 390-396.

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TRANSFORMATION OF MESOZOIC TECTONIC DOMAIN AND ITS RELATION TO MINERALIZATION IN SOUTHEASTERN CHINA: AN EVIDENCE OF SOUTHWESTERN FUJIAN PROVINCE

1.
Faculty of Earth Sciences and Mineral Resources, China University of Geosciences, Beijing 100083, China
2.
Institute of Geomechanics, CAGS, Beijing 100081, China
3.
Institute of Geological Survey of Fujian Province, Fuzhou 350003, China

Received Date: 2000-03-30
Publish Date: 2000-07-25

Abstract

Abstract

The systematic study of the depression belt in southwestern Fujian Province, one of the most significant tectonic and metallogenic unit in southeastern China, shows that the transformation from Tethyan Himalayan tectonic domain into circum Pacific tectonic domain in southeastern China from the Late Indo Chinese to the Early Yanshanian induced obvious changes in geophysics, tectono magmatic distribution, lithofacies and paleo geography, tectonic system and regional mineralization. Tectonic system analysis indicates that the tectonic regime in this area resulted from the amalgamation, transformation and superimposition between the two tectonic domains. The geodynamic mechanism of the transformation is mainly attributed to the latitudinal and longitudinal heterogeneities of lithosphere and to the interaction between crust and mantle. The analysis of the mineralization and that of the mineralization age show that the transformation of the tectonic regime was accompanied by one significant phase of the multi metal mineralization that should have occurred during the Late Indo Chinese to the Early Yanshanian in southeastern China.
- transformation of tectonic domain,
- regional mineralization,
- geodynamic mechanism,
- southeastern China,
- depression of southwestern Fujian Province

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References(13)

References

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