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Smardale: Westmorland Geological Society field-trip

19/4/2015

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PictureLImestone quarry above Scandal Beck
Come to Smardale every week during spring and summer, says our leader Geoff Brambles. In autumn when there are berries on the hawthorn the view toward Smardale Gill Viaduct is the best in England. That’s what I feel too. With his quirky sense of humour and his enthusiasm for geology  this excursion would be memorable. I was here on a Westmorland Geological Society field-trip for a fresh perspective on a location I know and love.

On Chapel Bull Lane we stopped to investigate the stones in the wall and consider where they had come from. It’s mostly limestone with scattered pieces of sandstone- iron-rich and a red brown colour. There’s some almost black quarried slate from the Howgills.  Lots of bits picked up off the fields.  A smooth stone of silica has  pistachio green lichens. In the surrounding landscape we see drumlins from glaciations (there are glacial cobbles in the wall) agricultural lynchets and terracing.  There’s a chunk of conglomerate with smooth nodules of quartz, sandy quartz. We look for the outcrop later. 
Our next stop is Friar’s Bottom/ Friars’ Bottoms. Geoff flags up a map discrepancy. This turns into a scene from Brian Friels’ play Translations, when cartographer and orthographer from the Ordnance Survey come to map Donegal and English speakers mangle Irish place names known only to the locals. Geoff holds up placards with Cumbrian place names and asks how we would pronounce them- nothing like it, not a chance.  His assenting negative is fun. You’re right, that’s wrong.
Topping a wall there’s a slab of rock with dark grey lumps- Productive brachiopods. Why so many? It’s a  mass-extinction event, not a storm, could be a change in salinity. Think about the original position of the fossil on the sea bed. He shows us colonial coral, tabulae. The rock is calcite, a replica of the original coral and a total chemical change.
Be curious, question everything. Never believe anything you read, says Geoff. Yes, and yes again. I write to ask questions too, to encourage curiosity, to make readers think.  It’s about looking and seeing, opening up a discussion. I like his candour. He shows us fossils formed in warm shallow seas teeming with life, equatorial seas a quarter of a billion years old. ‘ no human turds, no polythene, oil, pollution.’ 
The character of the field-wall changes- we stop to look at a particularly stout wall.  Built by Lord Warton ? in 1560 to enclose a deer park . This same wall runs from Smardale Gill  Bridge south, on the west side. I’m taking notes, writing as we walk, a multi-tasking woman says Geoff. Shades of Translations- will I be able to read my notes later? Will they mutate into something else?

At the sandstone quarry at Smardale Gill Bridge a wren built a nest of moss in the rock, a cave dweller she is: Troglodytes troglodytes. There’s a recent rock fall with newly exposed sandstone. Our route will contour above Scandal Beck ( Smardale Gill Bridge over Scandal Beck? ) toward Smardale Gill Viaduct.  I ask Geoff if he’s familiar with the Smardale ghost-train. This is a geology field-trip he ripostes, let’s be serious. But he is curious and on the viaduct he’s listening and he’s first to hear it.  ( read all about it in my forthcoming book.) 
After lunch, the weather changes and it distracts me. The morning was cold and windy and we shivered.  Now the sun came out and the cloudscape was breathtaking. Before I came I’d thought that this might be a photo opportunity. I wanted a choice of cover images for my book and Smardale is one of the locations I explore. Getting everything right is a question of coincidence: good lighting, good clouds, interesting features etc. Ideally, I’d sit alone for hours waiting. Not today.
After the ghost-train experience we moved on to the two lime-kilns and up we went into the quarry to examine the rock face and look for fossils.  I stood on a steep pitch, my calf-muscles straining until they screamed. Then Geoff produced jaffa-cake trays with rock samples for us to identify. Match the rock to the name. No, no. You’re right, it isn’t. So in the manner of our leader I post  images for you to match against what I’ve written. The looking is what matters, the curiosity.
In the gallery you will see three fossils from Smardale limestone quarry. There's a wren's nest of moss in a niche in the sandstone at Smardale Gill Bridge. There's Smardale Gill Railway Viaduct- where the ghost train can be seen and heard.( I have the photograph). And above Scandal Beck there's the limestone quarry with two lime kilns. One of the fossils I can't identify, so I leave all three to you.
Thanks to Geoff for a great field-trip. I'm pleased that in exploring Chapel Bull Lane he chose a location I had not studied. My previous explorations will complement what I learnt today, being in a rather different area.

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    Jan Wiltshire is a nature writer living in Cumbria. She also explores islands and coast and the wildlife experience. (See Home and My Books.)

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