Integration of singularity and zonality methods for prospectivity map of blind mineralization

Document Type : Research Paper

Authors

1 Shahrood University of Technology

2 Ferdowsi University of Mashhad

Abstract

Singularity based on fractal and multifractal is a technique for detection of depletion and enrichment for geochemical exploration, while the index of vertical geochemical zonality (Vz) of Pb.Zn/Cu.Ag is a practical method for exploration of blind porphyry copper mineralization. In this study, these methods are combined for recognition, delineation, and enrichment of Vz in Jebal- Barez in the south of Iran. The studied area is located in the Shar-E-Babak–Bam ore field in the southern part of the Central Iranian volcano–plutonic magmatic arc. The region has a semiarid climate, mountainous topography, and poor vegetation cover. Seven hundreds samples of stream sedimentary were taken from the region. Geochemical data subset represent a total drainage basin area. Samples are analyzed for Cu, Zn, Ag, Pb, Au, W, As, Hg, Ba, Bi by atomic absorption method. Prospectivity map for blind mineralization is represented in this area. The results are in agreement with previous studies which have been focused in this region. Kerver is detected as the main blind mineralization in Jebal- Barz which had been previously intersected by drilled borehole for exploration purposes. In this research, it has been demonstrated that employing the singularity of geochemical zonality anomalies method, as opposed to using singularity of elements, improves mapping of mineral prospectivity.

Keywords

International Journal of Mining and Geo-Engineering
Volume 50, Issue 2 - Serial Number 2
December 2016
Pages 189-194

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