CityCyclingEdinburgh was launched on the 27th of October 2009 as "an experiment".
IT’S TRUE!
CCE is 16years old!
Well done to ALL posters
It soon became useful and entertaining. There are regular posters, people who add useful info occasionally and plenty more who drop by to watch. That's fine. If you want to add news/comments it's easy to register and become a member.
RULES No personal insults. No swearing.
Upper road is officially still closed due to a rockfall covering the width of the road at the SW side.
However, the nice Historic Scotland man said that if I didn't mind falling rocks, and if I didn't mind dodging the tractor putting out the gorse fires, he was happy that I went for a ride round :-)
I went round a few times last night - even did a video of it as it was such beautiful weather. Video is about as exciting as watching paint dry at the speed I go up the hill, but amazing light nonetheless. Such a pleasure not to have any cars round there too - just beware if you're cycling into the sun later on that the rockfall is right at the beginning of the final downhill section....
Perhaps we should add this to the helmet thread. How much protection does one provide from falling granite? (Or whatever it is)
I had to fix two roof problems recently and got attacked by seagulls - once I had no helmet, and the other time I forgot to take it off. I felt a great deal safer with my helmet on, but I'm fairly certain seagulls were swooping much closer and I was taking more risks.
I've seen a small number of persons cycling aroudn town in rock-climbing helmets. I didn't understand why, until now.
(Or maybe they were coming home from climbing)
stiltskin: "Or whatever it is"
I'm surprised no-one has said what it might be. Arthur's Seat is a world famous much studied geological site.
"Or maybe they were coming home from climbing"
You can actually get a permit from the Park Rangers for rock climbing on the crags. I was inexplicably chuffed to possess one a few years back when a friend decided to have a climbing session as part of his stag celebrations.
(Climbing and BBQ in the park followed by an evening in Diane's Pool Hall and then err... some pubs... Blue Blazer... mebbe... all gets a bit hazy after Diane's tbh)
If you really want to know what sort of rocks are present on Arthurs Seat, or indeed anywhere else you may happen to be in the UK, this app provides endless nerdish fun.
Well seeing as how I am the proud possessor of an A-level in Geology I can authoritatively confirm that it is indeed .... Rock
^ great app BTW! Thanks for that.
THe Lions Head Vent (i.e. the peak) is apparently Olivine-Macrophyric Microgabbro, surrounded by Carboniferous-Permian agglomerate...and apparently the chunk that is above the road from Dunsapie back to the Widows is Plagioclase-Olivine-Clinopyroxene-Macrophyric Microgabbro.
So there.
Adult Oriented Rock then...
and apparently the chunk that is above the road from Dunsapie back to the Widows is Plagioclase-Olivine-Clinopyroxene-Macrophyric Microgabbro.
Yes, I thought it was, but normally I'm too busy trying to set a good strava time to stop and make sure.
So gabbro then with 400 million years of weathering.
For a simple geological history of Holyrood park and environs I would recommend looking at the School of Geosciences webpages which also has a cool geological map.
As an ex-field geologist* I wouldn't use petrographic names to describe rock outcrops because you just sound poncy ;-)
(*You can take the man from the mountain, but not the mountain from the man)
I wasn't trying to sound poncy - I just called up the Geological map on the O/S archive, right click, copy, paste...
I wouldn't have guessed gabbro at all - far smoother than I'm used to
I never got beyond the distinction between sedimentary and igneous rocks so I'm content to know that Arthur's Seat has both.
Sorry, didn't mean to offend. I was trying to imply that petrographers are poncy!
You're right though - the bits of rock I've seen are too fine grained for me to call gabbro. I would stick with good old plain basalt, but then I'm a simple man.
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