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#rockpipit

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Sisyphus with a Hat

This is a very interesting photo. Take on the beach at Ballyliffin, Donegal, it shows the contact between the Termon Formation in the foreground and the Slieve Tooey quartzite Formation on the background. The Termon consists of pellitic schists, and the contact between the 2 is define by a fault, with the top of the older Slieve Tooey being sheered as well.

Both formations are part of the Argyll Group, the middle group of the Neoproterozoic Dalradian.

And to crown it off, very near the actual contact, in the center of the photo, we have a Rock pipit posing.

The photo shows 2 rock formations resting at a 30°angle approximately (higher on the left of the photo, which is also roughly south). The dip of the rock plane is approximately northwest. In the foreground the rocks are very sheared, apart from an eroded part in the very foreground which contains some sea water and a bit of moss(?). The colour in the foreground is brownish grey, while on the background it is beige-ish to grey. The rocks in the background are eless sheared than the lnes in the foreground. Close to the contact between the 2 formations is a little pipit, light brownish in colour with dark brown stripes on the breast, sitting erect and looking north.
#geology#rocks#shearzone
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