福建闽清前洋铁矿地质特征及成因分析  

Geological Characteristics and Genesis Analysis of Qianyang IronDeposit in Minqing County, Fujian Province

作　　者：郭新强[1] GUO Xinqiang(The 197 Geological Prospecting Team of Fujian Province,Quanzhou 362011,China)

机构地区：[1]福建省197地质大队,福建泉州362011

出　　处：《矿业工程》2024年第5期1-6,共6页Mining Engineering

基　　金：福建省公益性基础性地质调查项目(闽区调、矿调任[2017]04号)。

摘　　要：通过对前洋铁矿区域地质背景、矿区地质特征和矿床地质特征进行研究,分析了矿床成因。结果表明:铁矿体赋存于晚侏罗世南园组第二段火山岩中,壳幔混合源岩浆为铁矿成矿提供了物质来源,成矿母岩为中性次火山岩,次火山岩浆热液为成矿提供了巨大的动能和热能,断裂构造为矿床形成提供容矿空间及导矿通道。矿床成因属玢岩型铁矿床。The regional geological background and the geological features of the Qianyang iron ore mine and the geological characteristics of the deposit are studied,and the genesis of the deposit is analyzed.The results show that the iron ore bodies are hosted in the volcanic rocks of the second member of the Late Jurassic Nanyuan Formation.The crust-mantle mixed source magma provides material sources for iron ore mineralization.The ore-forming parent rock is neutral subvolcanic rock.The subvolcanic magmatic hydrothermal fluid provides huge kinetic energy and thermal energy for mineralization.The fault structure provides ore-bearing space and ore-conducting channel for the formation of the deposit.The genesis of the deposit belongs to porphyrite-type iron deposit.

关 键 词：铁矿 地质特征 矿床成因 闽清前洋 

分 类 号：P618.31[天文地球—矿床学]