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May 29, 2017
Monday Geology Picture: Kimberlite in Kimberley
For this week’s “Monday Geology Picture”, here’s a snap of a mine cart filled with kimberlite rocks — and a mantle xenolith or two. I took this picture last year when I visited The Big Hole Museum in Kimberley, South Africa. The rock kimberlite was named after the town of Kimberley, of course! For those who are unfamiliar, kimberlite is the ore that is mined for diamonds, and many of the …
November 21, 2016
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 safely visited and observed (from a walkway) as part of a visit to The Big …
