Monday Geology Picture: The Big Hole, Kimberley, South Africa
This week’s “Monday Geology Picture” is a shot of the Big Hole in Kimberley, South Africa. This hole, now filled partly with water, is the remains of an early diamond mine in a kimberlite (a rock type named after the town of Kimberley) pipe. The pipe was mined from 1871 to 1914 and today can be … Continue reading Monday Geology Picture: The Big Hole, Kimberley, South Africa