| Metallogenic Model and Prospecting Indicators of the Boron Deposits in East Liaoning Area |
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| 作者单位： | Jinzhou Division of Institute of Geology and Mineral Exploration of Liaoning Province，Dalian 116100 P. R. China |
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| 摘 要： | IntroductionThe east Liaoning is main distribution area ofboron ore in China, in which there are many borondeposits. Boron deposits and mineralized spots all oc-cured in Li' eryu formation of Liaohe group. Thereare many views about boron metallogeny (Zhan…
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Metallogenic Model and Prospecting Indicators of the Boron Deposits in East Liaoning Area |
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| Authors: | Qu Hongxiang Zhang Guoren Li Xiandong Chen Shuliang Yang Zhongzhu and Wang Zhongjiang |
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| Abstract: | The Paleoproterozoic boron deposits in east Liaoning occur in Mg-rich marble of Li'eryu Formation of Liaohe group. The mineralization was controlled by stratigraphic lithology. The volcano-sedimentation is the material base of ore- formation. Boron mainly derived from volcanic source. Boron in Li' eryu formation was activated and transferred by mignati- zation and then deposited into ore when metasomatism occurrs in Mg-rich marble. Structural deformation reconstructed the boron ore bodies. Meanwhile, ore-bearing hydrothermal solution produced by structural deformation and remetasomated the host-ore rocks or filled in fissure of ore. Boron deposit is a stratabound deposit, which formed by mignatization and structu- ral deformation mineralization. |
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| Keywords: | Liaodong area migmatization host rocks migmatization mineralization stratabound deposit |
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