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Yorkshire Dales and the Lake District

Year 11 Trip to Malham and the Lake District

 

 An early start and three hours later we arrived at the 'honey pot' village of Malham in the Yorkshire Dales National Park.  The slendours of Malham Cove were partly veiled by the mist but once on top of the Great Scar Limestone the uniqueness and scale of the landscape was very much apparent.

The limestone pavements have been weathered into a fascinating array of enlarged cracks (grykes) and blocks (clints) by the action of water (mild carbonic acid) on the calcium carbonate.
Goredale was formed by a powerful river flowing off the melting ice sheet at the end of the last glaciation.  The collapse of previous cave systems might also be responsible for some sections of the gorge.  The present stream is depositing tufa (calcite) over the rocks that make up the waterfall.
We drove to Ingleton and visited White Scar Cave, the longest (and arguably the best) show cave in the country.  In places we had to stoop in low bedding plane passages and in other parts we squeezed past narrow vadose sections.  The stream was constantly roaring below the walkway and waterfalls tumbled from avons in the roof above us.
From Grasmere we completed a circular walk to Easdale tarn, stopping along the way to interpret the landscape.  This photograph shows the group perching on a roche moutonne ..... a sheep rock? 

From the top of Sour Milk Ghyll we looked back down the main Easdale valley ..... to observe U shape profiles; pro-glacial lake beds; truncated spurs; hanging valleys; misfit streams; rock bars; recessional moraines ......