You are browsing the archive for 11 January 2012 - Mountain Beltway.

11 January 2012

Splotchy Liesgang banding

At the Three Rondavels overlook in the northern Drakensburg Mountains of South Africa, I saw this chunk of quartzite with a peculiar variety of Liesegang banding (iron oxide staining of the rock by groundwater): A short distance away, I found another example: In one key way, I liked this second example better, even though the Liesegang banding wasn’t as well expressed here. The improvement is that it also shows bedding, …


No Comments/Trackbacks >>