4 June 2014

Faults in the Tonoloway Formation, Corridor H

Posted by Callan Bentley

Here’s something fun:

faults_sm Click to enlarge

Those strata are Silurian-aged Tonoloway Formation carbonates. There are plenty of dessication cracks to be seen, as well as salt casts, among the layers exposed. But more eye-catching at this distance is the faulting that disrupts the high-contrast layers…


Both (apparent) normal and reverse faults can be seen in this road cut. Exciting stuff!

We visited it two weeks ago on “Border to Beltway’s” penultimate field day.

Alan Pitts GigaPanned this outcrop two years ago, if you’d like to explore it on your own: