2011•China Mining MagazineRequires access

Geologic characteristics of gabbro-diorite rock mass of the Lanniping district of the Dongchuan copper deposits and their ore-prospecting significance

Houyi Zheng

Abstract

Magma intrusion activity of gabbro-diorite rock mass of the Lanniping district of the Dongchuan Copper deposits have consanguineous genetic relationship with the formation of iron-copper deposit of IOCG type deposits.The ore bodies have more iron-mineral where is close to gabbro-diorite rock mass.Gabbro-diorite rock mass have high concentrations of Cu(0.204 %),Fe(12.72%),Au(0.099g/t),TiO2(3.691%),which implies that the rock mass may be metallogenic rock,and have direct relationship with formation of Copper-iron deposits in Yingming group.

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Key concepts: Diorite, Gabbro, Iron oxide copper gold ore deposits, Geology, Geochemistry, Prospecting, Magma, Rock mass classification