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Monday, 23 June 2014

More about what ice can do -- western Norway

Preikestolen, Lysefjord, Norway.

Trollveggen, Romsdal

Two famous locations in western Norway -- the Pulpit Rock (top) and the Troll Wall (bottom).  Both attest to the incredible power of glacial erosion when channeled within a trough which concentrates glacial erosional processes.

The Troll Wall (Trollveggen) in Trolltindene (Romsdal) is 1100m high, and parts of it are overhanging.   What we have here is a deeply glaciated and scoured landscape to the right, which has been chopped in half by concentrated glacial erosion.

Pulpit Rock is on top of a massive cliff 604 metres (1982 feet) above Lysefjorden, opposite the Kjerag plateau, in Forsand, Ryfylke.  It is now one of the most popular tourist destinations in the country. Look beyond the pulpit to the fjordsides beyond -- the extent and intensity of glacial scouring is rather impressive.....

2 comments:

AG said...

Any idea when the rock bed the chap is sitting on is going to detach itself from the rock above the prominent horizontal fracture?
Is this an example of Darwinism at work?

BRIAN JOHN said...

If I knew that, I would be God. But yes, we can have an interesting debate about natural selection. Onr day a gang of idiots will be perched on this thing when it goes crashing down -- and that will be the end of them. Natural selection at work, you might think. But what about all those who have perched there, just to be photographed, and got away with it? They are all probably breeding furiously, because they have impressed their partners and because sitting out there really gets the adrenalin going...... this gets complicated!