Metallogenic Model and Prospecting Indicators of the Boron Deposits in East Liaoning Area  

作　　者：Qu Hongxiang, Zhang Guoren, Li Xiandong, Chen Shuliang, Yang Zhongzhu and Wang Zhongjiang (Jinzhou Division of Institute of Geology and Mineral Exploration of Liaoning Province, Dalian 116100 P. R. China) 

出　　处：《Global Geology》2001年第1期81-89,共9页世界地质（英文版）

摘　　要：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.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.

关 键 词：LIAODONG area  migmatization  host rocks  migmatization mineralization  STRATABOUND deposit 

分 类 号：P612[天文地球—矿床学]