NM3022 : Roches Moutonnées by track to Fidden

taken 3 years ago, near to Fionnphort, Argyll And Bute, Great Britain

Roches Moutonnées by track to Fidden
Roches Moutonnées by track to Fidden
The Ross of Mull is formed from a very pink/red granite intruded towards the end of the Caledonian orogeny, 421±5 million years ago during the Devonian. The Moine series country rock above it has been eroded away, and the most recent erosive episode, the Quaternary glaciations, have smoothed the hard rocks, leaving the less jointed parts standing high as roches moutonnées. Where the rock is even more resistant, it forms distinctive tors. Soils between the rocks are formed from the decay of the granite - feldspars weathering to clay minerals and quartz remaining as sand. The hollows retain moisture and support boggy plant communities including sedges, bog myrtle, dwarf willows and a variety of wild flowers including many orchids. On drier islands and the edges of the rocks, bracken (the world's most invasive plant species) has no more than a foothold. Being grazed by sheep, it's important to check for ticks after you've walked through this country, especially in shorts weather!
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NM3022, 7 images   (more nearby )
Photographer
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Date Taken
Tuesday, 27 May, 2014   (more nearby)
Submitted
Tuesday, 3 June, 2014
Geographical Context
Lowlands  Geological interest  Farm, Fishery, Market Gardening  Grassland  Heath, Scrub  Rocks, Scree, Cliffs 
Category
Roche moutonnée   (more nearby)
Subject Location
OSGB36: geotagged! NM 3013 2255 [10m precision]
WGS84: 56:19.0947N 6:21.9650W
Camera Location
OSGB36: geotagged! NM 30035 22488
View Direction
Northeast (about 45 degrees)
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Image classification(about): Geograph (Fourth Visitor for NM3022)
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