The use of mercury in small-scale gold mining causes local and widespread regional and global pollution.
A systematic 25 x 25 km2 net soil collection across the country was used to calculate spatial trends.
Background soil mercury concentrations in Ghana are low, but with large regional variation.
High regional concentrations can have been significantly increased by pollution from mining.
read more... https://www.sciencedirect.com/science/article/abs/pii/S0269749121005273
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