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Acid Mine Drainage Interpretation with Statistical Correlation Methods in Gold Mineralization Deposits
Dudi Nasrudin Usman*) Sri Widayati*), Sriyanti*) and Era Setiawan**)

*) Mining Engineering Department, Faculty of Technology, Bandung Islamic University
**) Cibaliung Sumberdaya Corporation, Gold Mining Site


One of the impacts of the mineralization zone is the potential for the formation of acid mine drainage, especially in the Cibaliung gold mineralization area and its surroundings, Pandeglang Regency, Banten Province. This study aims to identify the potential for acid mine drainage formation in overburden in the gold mineralized zone. The methodology used is mapping the distribution of cover rock both surface and subsurface using drill data, surface geological mapping, and mapping of the distribution of gold mineralized zones. Acid water formation tends to be intense in mining areas. This is due to the presence of sulfide-containing materials in free air. Acid-forming sulphide minerals include pyrite (FeS2), marcasite (FeS2), picolite (FexSx), chalocytes (CuS), covellite (CuS), chalcopyrite (CuFeS2), molybdenite (MoS), mulenite (NiS), chalocytes (CuS), covellite (CuS), chalcopyrite (CuFeS2), molybdenite (MoS), mulenite (NiS), chalocytes (CuS), chalcopyrite (CuFeS2), molybdenite (MoS), mulenite (NiS), galena (PbS) ) and sphalerite (ZnS). The results of the study showed that there were significant differences between mineral content (Au, Ag, Cu, Pb, Zn, and As) in the Breccia to Andesitic (BRAN), Quartz Vein (VEIN) and Breccia Vein (VNBR) mineralized zones. The content of a precipitate indicates the presence of elements of Cu, Pb, Zn and As in the mineralization into the potential formation of acid mine drainage in a zone of sulphide mineralization. There are 3 lithology zones, namely BRAN, VEIN and VNBR. The results of the study showed the As element became the distinguishing mineral element between VEIN and VNBR, but not for BRAN and VEIN and BRAN and VNBR, were for the pair there was no difference, meaning that the formation and mineralization process could be considered the same. This shows that the As element is one of the dominant elements present in the gold mineralization zone which has great potential for acid mine drainage.

Keywords: Mine Acid Drainage; Cibaliung; Gold Mineralization; and Bed Rocks.

Topic: Mining Engineering


Conference: Science and Technology Research Symposium (SIRES 2019)

Plain Format | Corresponding Author (Dudi Nasrudin Usman)

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