On Metallogenic Conditions and Regularities of the Lower and Middle Reaches of the Changjiang River

被引：0
|
作者：
Liu Xiangpei
Chang Yinfo
Wu Yenchang Anhui Bureau of Geology and Mineral Resources
机构：
来源：
Acta Geologica Sinica(English Edition) | 1988年 / 04期
关键词：
Cu; In; On Metallogenic Conditions and Regularities of the Lower and Middle Reaches of the Changjiang River;
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摘要：
The paper deals with the metallogenic conditions and regularities of the region ol the lower-middle reachesof the Changjiang River in China. The complicated structural network with the Changjiang (Yangtse) deepfracture as its trunk is the leading rock-and ore-controlling structure of the metallogenic belt. Thehigh-potassium granodiorites of the first magmatic sequence of the Mesozoic Yangtse syntexis type and thesodium-rich diorites of the second sequence are genetically related to the copper ore series and the iron ore se-ries respectively. and occur respectively in the block-faulted and-folded uplift area and the down-faulted vol-canic basin as well as the transitional zone between the two. The ore-hosting horizons show specific associa-tions of rocks and often contain ore beds basically of stratabound nature.
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页码：435 / 449
页数：15
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