Tag Archives: erosion

Content of the Cliff

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Nearing the end of my walk this week from Nash Point to Monknash on the South Wales cliff-lined coast I have arrived at the mouth of Nash Brook and a place where the cliff tops come down to beach level. Looking at the content of the cliff it is easy to see why they are no longer the towering structures I have been enjoying along the rest of the walk. Although the durability (or lack of) in the layers and blocks of the cliffs can be seen in the structures and curves in photos below, the geology seen in this first image is much softer and in part explains the small valley from which Nash Brook flows.

cliff texture

leaving the cliffs behind

Round Stones in a Sea of Rectangles

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One of the strangest things on my walk this week at the foot of the cliffs along the South Wales shore between Nash Point and Monknash, were the smooth round stones nestled in amongst the rectangular rocks of the wave platform pavement. I almost expected them to be polished to a shine in the same way that gem stones are made smooth and reflective for display. The wave action of tumbling the stones against the harder rocks of the pavement has produced a fascinating juxtaposition of forms. Speaking of which, having walked across such an expanse of wave platform, it was then a surprise to come upon a wide area of beautifully smooth sand!

Roundstones

Roundstones

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Roundstones
Roundstone
All washed up
Landslide
Sand expanse
Sky in Sand

Layers and Layers – Rocky Strata

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The cliffs at Cwm Nash and further along the South Wales coast on the Bristol Channel display some great geological features. It is a popular place to enjoy the breakers as well as the rocks but you have to be cautious about the continually eroding cliffs.

The evidence for this is strewn along the foot of the precipice in various sizes, from small rocks which would still do you some damage, to huge chunks of cliff that must way several tons!

Cwm Nash Cliffs

Cwm Nash Cliffs

A Pair of Ponies

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I regularly walk down on the marshes by the River Loughor near my home but do not often meet others doing so. The path is well worn, so there must be more people using it than I meet there.

Earlier this year the route of the footpath had to be changed slightly to take it a little further back from the river bank. The evidence of erosion can be seen in the photos of fences in yesterday’s post. The new route runs through a field or two near the old St Teilo’s Churchyard and the fields are normally empty of animals. Sometimes there are sheep there but on this occasion there were two new occupants. They seemed friendly and pleased to see me.

I just have one question about the piebald one – could he be described as dappled on this occasion? 😉

Ponies 3

Ponies 1

Ponies 2

Ponies 4

Ponies 5

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