Discussion
Common pathfinder elements in Geochemical exploration of copper-zinc-lead-silver and complex sulfide deposits are ........................... .
Answer: B
Common pathfinders for Cu-Zn-Pb-Ag complex sulphide deposits are Hg and Zn.
Pathfinder elements are associated with an ore deposit and form wider or more easily detected dispersion haloes than the ore metals themselves. Mercury, being volatile, forms broad haloes in soil and soil gas over sulphide deposits, and zinc, highly mobile in the secondary environment, forms large anomalies around base-metal sulphide ores; both are standard pathfinders for complex sulphide deposits.
Radon is a pathfinder for uranium, molybdenum for porphyry copper systems, and arsenic with tellurium for gold deposits rather than complex base-metal sulphides.
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