Mineralogy and chemical compositions of ancient slags from Volubilis archaeological site and Awam ancient mine (Morocco)

Fatiha Hourri, A. Dekayir, Mohamed Makdoun
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引用次数: 2

Abstract

ABSTRACT Six slags from Volubilis archaeological site roman period (II-III centuries AC) and Jabal Awam ancient mine have been examined for their mineral and chemical compositions by a multi-technique approach (Optical and metallographical microscopies, XRD, ICP-AES and XRF). Mineralogical analyses have emphasised the occurrence of iron oxi-hydroxide, quartz, pyroxene and calcite). The bulk chemical compositions of slags are similar and related to a refining of a homogeneous ore. The very low contents of metals plead for well mastered pyrometallurgical methods. The metal composition of the treated ore is close to a polymetallic ore deposit probably similar to that of Awam mine (Lead and Silver). GRAPHICAL ABSTRACT
摩洛哥volbilis考古遗址和Awam古矿渣的矿物学和化学成分
摘要采用光学显微镜、金相显微镜、XRD、ICP-AES和XRF等多种技术手段,对罗马时期(公元2 - 3世纪)Volubilis考古遗址和Jabal Awam古矿山的6个矿渣进行了矿物和化学成分分析。矿物学分析强调了氧化铁、石英、辉石和方解石的存在。炉渣的整体化学成分相似,与均质矿石的精炼有关。金属含量极低,需要熟练掌握的火法冶炼方法。处理后矿石的金属成分接近多金属矿床,可能与阿万矿(铅银)相似。图形抽象
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