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Entrance to the adit of a chromite mine, Mutorashanga
Haib copper prospect, Namibia. The adit is in the centre of the photo.
Old adit near Johanngeorgenstadt, Germany.
Flooded level, West Driefontein mine, South Africa. The dolomite overlying the gold reefs hosts much groundwater, giving the mines flooding problems.
Oryx gold mine, near Welkom, South Africa.
Geelwal Karoo mineral sand deposit, on the west coast of South Africa.