摘要
贵州开阳磷矿西翼矿区是新发现的大型富磷矿床。本文结合矿床含磷岩系、矿石矿物组合及化学组分等特征,探讨磷矿成矿地质条件。研究表明,该区富磷矿的形成与成矿背景、古海洋、古气候、古生物、物源和沉积环境有关,频繁海进海退作用,使未固结的磷质灰泥受到多次的打碎、冲刷和波选,再沉淀沉积,最终形成了品位高、厚度大的磷块岩矿床。
The west wing mining area of Kaiyang Phosphate Mine in Guizhou is a newly discovered large-scale rich phosphate deposit.In this paper,combining the characteristics of the phosphate rock series,ore mineral assemblage and chemical composition of the deposit,the geological conditions of phosphate mineralization are discussed.Research shows that the formation of phosphate-rich ore in this area is related to the mineralization background,paleo-ocean,paleoclimate,paleontology,provenance,and sedimentary environment,and frequent transgressions and retreats have caused the unconsolidated phosphate mortar to be broken,scoured and wave-selected for many times,and re-precipitated and deposited,eventually forming high-grade and thick phosphate rock deposits.
作者
张朝举
蔡兴林
雷灵芳
樊鑫
周忠容
郭江波
ZHANG Chaoju;CAI Xinglin;LEI Lingfang;FAN Xin;ZHOU Zhongrong;GUO Jiangbo(Guizhou Geological Prospecting Institute of China Chemical Geology and Mine Bureau,Guiyang 550002,China)
出处
《中国资源综合利用》
2021年第3期75-77,共3页
China Resources Comprehensive Utilization
关键词
磷块岩
成矿条件
沉积环境
开阳磷矿
phosphorite
metallogenic conditions
sedimentary environment
Kaiyang Phosphate Mine
