Today was to be a day on Snowdon learning about its geology with Paul Gannon, author of the Rock Trails books. This was a CPD day organised through the Mountain Leader Training Association. During the day we learnt all about the different volcanic rocks, its different formations etc.
The route went up the Miners’ Track passing the Lower Rhyolitic Tuffs, Basalts and there various sub forms. Despite the appalling weather we made good progress up Snowdon discussing the effect of tectonics on the structure of the mountains. The subsequent effect of glaciations was evident in the four cwms that once held the glaciers. As we ascended each got progressively smaller.
The importation of rocks to stabilise the paths provided additional discussion material, and not just of a geological nature.
The route down was quicker but no less informative. Concluding with a hot mug of coffee in the Pen y Pass cafe, this was a good day on Snowdon.
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