2 September 2016

Friday fold: isoclinal fold in ferruginous pelite and chert of the Fig Tree Group

Posted by Callan

A quick Friday fold – Ulundi Formation, basal Fig Tree Group of the Barberton Greenstone Belt, exposed in a creekbed etched into the trace of the Sheba Fault. This is one of the outcrops I visited one week ago today as part of the pre-IGC field trip to the Barberton. The rocks are iron-rich cherts and pelites that have enjoyed some serious strain, presumably due to movement along the Sheba Fault.

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Today’s the last day of the IGC meeting – Off I go to make the most of it! Enjoy your Friday, wherever you are.