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The document describes pothole features observed in an outcrop of the Merensky Unit in the Pilanesberg Platinum Mine in the Bushveld Complex. It details three large potholes that cut into the underlying anorthosite footwall. The relationships suggest the potholes formed through thermochemical erosion of the footwall rocks by new pulses of magma, resulting in incremental growth of the intrusion.

Author

ogntshabele

Language

EN