Mineralogy and Geochemistry of Host Rocks and Orebodies at the Anjing Hitam Prospect (Dairi, North Sumatra, Indonesia) and Their Environmental Implications

• Rivai Alvin Tomy

  Department of Earth Resources Engineering, Graduate School of Engineering, Kyushu University

• Yonezu Kotaro

  Department of Earth Resources Engineering, Graduate School of Engineering, Kyushu University

• Syafrizal

  Earth Resources Exploration Research Group, Faculty of Mining and Petroleum Engineering, Bandung Institute of Technology

• Watanabe Koichiro

  Department of Earth Resources Engineering, Graduate School of Engineering, Kyushu University

Abstract

The Anjing Hitam prospect hosts Zn-Pb orebodies that may trigger environmental issues during its future mining and smelting activities. Therefore, the understanding of mineralogical and geochemical characteristics of host rocks and orebodies in this prospect is important to reveal. Concentration of sulfur in the host rocks is controlled by pyrite. Pyrite and sphalerite control concentration of sulfur in pyrite-rich massive ore while sphalerite and galena control concentration of sulfur in sphalerite-rich massive ore. Concentrations of cadmium and arsenic are strongly controlled by sphalerite and galena, respectively. Future mining and smelting activities at the Anjing Hitam prospect may give rise to several environmental issues, such as acid mine drainage, soil acidification and degradation, trace element contamination and human health problems.

Journal

• Evergreen

  Evergreen 6 (1), 18-28, 2019-03

  Transdisciplinary Research and Education Center for Green Technologies, Kyushu University

Keywords

• Mineralogy
• geochemistry
• host rocks
• orebodies

Details

• CRID: 1390572174800796672
• NII Article ID: 120006651702
• DOI: 10.5109/2320997
• ISSN: 24325953
• ISSN: 21890420
• HANDLE: 2324/2320997
• Text Lang: en
• Data Source:
  • JaLC
  • IRDB
  • Crossref
  • CiNii Articles
• Abstract License Flag: Allowed