Abstract
Sulfide minerals are a group of compounds with the presence of sulfur. This group’s most abundant and economically members are pyrites, pyrrhotite, chalcocite, galena, sphalerite, and the group of copper sulfides minerals. Resistivity and Induced Polarization (IP) methods, which play an essential role in mineral exploration, showed great success in sulfide exploration. This paper started on reviewing sulfide formation by giving details which help to understand their genesis better. To make the reader understand the procedures and appropriate mineral exploration methods, we have briefly covered the theory, the basic principles of resistivity and IP methods, and different investigation techniques using one, two, and three-dimensional surveys. Based on many electrical surveys, we discussed with examples of resistivity and IP methods applied to the exploration of sulfide deposits: the data inversion and interpretation of the geophysical signatures of most of the sulfide deposits in various geological environments were analyzed and end by showing both successful surveys and limitations of the methods.
Highlights
Sulfide minerals are a group of compounds with the presence of sulfur
We focus on determining the efficiency of Resistivity and Induced Polarization (IP) in exploring sulfide minerals by identifying their geophysical properties, the fundamentals of geophysics, and the host rocks by highlighting strengths and weaknesses
It is much known about resistivity and IP surveys in mineral exploration
Summary
Sulfide minerals are a group of compounds with the presence of sulfur. The most abundant and economically members of this group are pyrites, pyrrhotite, chal-. Electrical Resistivity Tomography (ERT) is the most commonly used geophysical methods for imaging subsurface features and map geological variations It can detect subsurface sulfide mineral distribution by studying the nature of the flow of electricity in the earth, for being uniquely able to see a large range of magnitudes which can vary up to 20 orders (Morgan, 2012). We focus on determining the efficiency of Resistivity and IP in exploring sulfide minerals by identifying their geophysical properties, the fundamentals of geophysics, and the host rocks by highlighting strengths and weaknesses. It presents a brief discussion of the limitations of the electrical resistivity and IP methods
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