View for the top of Round Mountain, Globe, Arizona, March '08
(Photo by Alyn)
This blog will endeavour to be a regular (-ish!) look at the things in life that fire my passion, such as Geology, Astronomy, and the world of science in general. When something stimulates my interest I will post my thoughts here and would be delighted to hear your thoughts too. So, if you enjoy what you read and would like to either link your blog to mine or just become a follower, I would be honoured to have you on board. Enjoy!
View for the top of Round Mountain, Globe, Arizona, March '08
(Photo by Alyn)
This arch was formed by the sea eroding though lines of weakness in the Purbeck Limestone which comprises the arch. For more information on the formation of Durdle Door, there is an excellent web site produced by Ian Wilson from Southampton University. To visit it click here
One of my favourite regions in Britain for sheer, spectacular beauty is the Lake District. I spent several walking holidays in my youth clambering up the awe inspiring fells. My favourite peak by far is Helvellyn and at a relatively modest 3117 feet above sea level, it's ascent never the less is still a challenge, especially negotiating the imposing 'Striding Edge' shown here:-
Striding Edge, Helvellyn, Lake District, Cumbria, England.
(Photo by 'micsten' @ Flikr.com & reproduced here under the Creative Commons License)
This magnificent 'knife-edged' ridge or 'arete' was formed as two opposing glaciers started out on their respective journeys down their valleys, carving out the rocks beneath and behind them, until they met, forming this breathtaking ridge. I've managed to negotiate Striding Edge on two occasions and thankfully got to the top safely enough. I believe there are a few people over the years however, who have not! Negotiating the ridge can be a bit scary on a windy day and there have been a few who have a made a rapid descent. Incidentally, the photo above reminds me of a book I have called "Over the Edge" which as I think I have mentioned before, is a somewhat macabre record of the deaths in Grand Canyon. The girl in the above pic is doing what so many have done at various viewpoints at Grand Canyon, with a two thousand foot drop to their sides! After a split seconds loss of concentration - whoops, one messy descent! The drop at Striding Edge might not be quite as great, but it's certainly no less messy if you slip!
I'm sure somewhere I will have stored away, a whole load of photos from my vacations to the Lake District and will have a few of Helvellyn and other beautiful features from the area. I think I'll go and have a 'butchers' and see what I can find! Anything interesting I will scan and post them on my next blog.
So until the next time!
Cheers for now,
Alyn
P.S. Nearly forgot to tell you!! Got my first set of assignment marks for S104! For the first tutor marked assignment I got 100% and the first computer marked assignment I got 87%!?!
Yeah, I know, bizarre innit? And the marks I lost on the CMA were REALLY stupid errors like writing a number from the question down wrong!?! So, a good start, but it's maths next and then chemistry after that, so the going is definitely going to get tougher, but that just means more of a challenge. Bring it on!!!A beautiful photo of Durdle Door, Dorset, England.
(Photo by Mathew Muzerie @ Flikr.com reproduced under the Creative Commons License)
Guess where this is!
Clue: It ain't Arches National Park!!
Photo by 'Drummaboy' @ Flickr.com
Wall Arch before its collapse
(Photograph courtesy John Crossley, www.americansouthwest.net/)
(Wall Arch following its collapse, August 2008
(Photo by API National park Service)
No-one witnessed it's dramatic demise, but that is geology for you! A formation which to you and I may seem beautiful at this moment in time is merely a small step in the geological process of erosion back down to individual particles again, ready to be deposited elsewhere to begin the whole process all over.
So perhaps we need to enjoy spectacular features like these while they are here and not take them entirely for granted!
Double Arch, the Windows section, arches National Park, Utah.
(Photo courtesy John Crossley www.americansouthwest.net/)
Some features are more 'tunnel' than 'arch', such as this formation, aptly named 'Tunnel Arch'!
Fins near Courthouse Towers in the Windows Section of Arches National Park, Utah
(Photo courtesy John Crossley, www.americansouthwest.net/)
So how did the Arches form?
How on earth did these spectacular arches come to be? The formation of the amazing buttes at Monument Valley I can just about understand, but 1000+ arches in one area? So, a little reading was called for and this is what I found:-
Okay, around 300 million years ago the Colorado Plateau area as Ron Blakey's paleogeographical maps will show you, was ocean. With the passage of time and a great deal of evaporation, a huge salt bed was left behind. These salts were eventually overlain with sand sediments ultimately forming a sandstone layer over the salt bed. However, under pressure salt becomes unstable and the area became subject to distortion and buckling, forming domes and folds. Increasing pressure creates faulting which exposes the formations to the erosional effects of the elements, creating 'fins'. These in turn are eroded away such that in certain circumstances holes are created through them - the start of the formation of an 'arch'.
Okay, that may be a fairly simplistic explanation of their formation, but it at least gives you an idea. Fascinating though, don't you think? Just google 'Arches National Park Geology' if you want more details!
Now, any fellow English persons looking in may well be wondering quite what I have against the geology of good ol' Great Britain! Well, the answer is absolutely nothing and this is something I will start to rectify in future posts!
Stay tuned!
Cheers for now,
Alyn
East and West mitten Buttes, Monument Valley, Utah.
© copyright 1994 - 2008 John Crossley.
Merrick Butte, Monument Valley, Utah
© copyright 1994-2008 John Crossley
The far side of Double 'O' Arch, Arches National Park, Utah.
© copyright 1994 - 2008 John Crossley.
Delicate Arch, Arches National Park, Utah
© copyright 1994-2008 John Crossley
There are over 1000 arches of Entrada sandstone in this national park, ranging in size from the 89 metre span of Landscape Arch to small cavities of a mere 3 feet, which is the smallest size for an opening to be actually classified as an arch! John's web site will tell you all you need to know about where to find this place, so I won't repeat it here, but when I make that return trip back over the herring pond, I will definitely check out these breathtaking national parks.
I could attempt to explain how these awesome features formed, but on reflection perhaps I should wait until I do that geology degree and have a more thorough understanding of it all before I do that. Other blogs do all that way better than I could at the moment, such as 'MJC Rocks at 'Geotripper'. He's been running a brilliant series of blogs on the whole Colorado Plateau which has been superb. But then, he is a lecturer at Modesto Junior College! I only hope my future geology lecturers are as good as this guy!
Cheers for now!
High time then for a change of direction. To make a start, I have enrolled with the Open University to start their Science Foundation course "Discovering Science - S104 which is due to commence on 29th September. Exciting! This will hopefully kick start the 'grey matter' and re-familiarise myself with the concept of study. As around 30 years have passed since my last period of formal study the next 9 months could prove challenging, particularly as I will be attempting to do it all around usual family/work life! So, if there is anyone out there from UK who has done S104 or S103, it's predecessor, do post a comment and let me how you found it!
For now I will leave you with another reminder of just why I want to study Geology and if I ever work out how to set up this Picaso Slideshow thingy I'll show you a whole lot more!
Cheers, Grumpychops.
The 'Tee-pees' at Painted Desert/Petrified Forest, Arizona. A stunning place!
(Photo by Grumpychops, March 2008)
Cheers for now!
Don't get me started! I'll save that for another time.
So, to try and enlighten you all as to what sort of things, other than my dear wife, make me squeal with joy, or at least say "Wow!", take a look at this......
The magnificent Grand Canyon - awesome or what?
(Photo by Splodge during tour by Papillon Helicopters)
Firstly, here's a few facts about Grand Canyon, taken from one of the best books covering the geology of the region: 'Carving Grand Canyon' by Wayne Ranney:- Grand Canyon is...
Nothing, but nothing could ever prepare you for the emotional impact when you first set eyes on Grand Canyon. One of the seven natural wonders of the world, its awesome beauty is well documented, but it is the sheer scale that staggers the mind. 277 long miles long is about the same as the distance between Kendal and London roughly. So look at the above photo and try to envisage 277 miles of similar geological features!
Grand Canyon South Rim at dawn, from outside Bright Angel Lodge.
(Photo by Grumpychops)
Now here's a staggering thought - 1.8 billion years of earth history is represented by the rocks exposed in Grand Canyon, the oldest being the vishnu schist at the bottom of the Canyon while the youngest rocks present are the Kaibab limestone at the top at a mere 255 million years old. The layers inbetween tell one of the most complete geological history stories on earth.
Even so, if you were to ask the simple question, 'How was Grand Canyon formed?' the only response to which all geologists will agree upon is that the Colorado River carved the canyon. Exactly how, when and under what circumstances has been the subject of fierce debate for decades and is likely to be so for the foreseeable future. Sadly, much of the evidence that could answer the questions has been long since eroded and washed away leaving huge gaps in the story. Research that is attempting to solve the puzzle continues apace. However, I suspect a complete answer will forever be tantalisingly beyond our reach!
I will delve deeper into the differing theories surrounding the formation of Grand Canyon in a future blog. Stay tuned and in the meantime, I'll leave you with another breathtaking photograph.
Cheers,
Grumpychops.
Grand Canyon South Rim from the South Rim Trail
(Photo by Grumpychops)
The Tale of the Post Office
T'was an ordinary Friday in June 2008 and I was armed with a bag of modest eBay sales neatly packaged in 'Jiffy' bags and with the postage pre-paid online through Paypal. All that was needed was for 'Flossie' in the Post Office to stamp my 'proof of posting' receipts and I would be away! Oh that life in 'Great' Britain - 2008 could be that simple!
Perhaps at this stage, I need to point out that this sorry saga was acted out in a certain, non-descript town in Cheshire, noted for very little other than its impressive array of 'pound shops'. Its Post Office, though equipped with 5 counters rarely if ever has more than 2 staff ready and willing to fulfill ones every postage need. Thirty minutes standing in a queue was normal, until the day I made the discovery a few weeks ago, that the nearby Co-op has a Post Office within it too and there one finds little or no queue to frustrate ones tortured soul! So it was to this establishment that I headed.
On arrival I find no queue! Hoorah!
However, at the window, I notice 'Flossie' gabbing away to a friend/colleague, and oblivious to my presence. After a minute or so, I notice a little note scrawled onto a piece of paper and stuck onto the glass saying "Closed for lunch"!
"Err, excuse me, what's this 'closed for lunch'?" I ask. "This is a Post Office, for heaven's sake, you can't 'close for lunch', it's your peak time isn't it?"!!!
"We are understaffed and I'm having my lunch, so we're closed", says Flossie.
"Excellent" says I, somewhat sarcastically. "No wonder they are closing you all down! You bloody deserve to be if this is the standard of service you're providing!"
"I'll go then shall I"? I ask.
No response.
"Ta-rah then"! Says I .
No response. Flossie continues with conversation.
So off I toddle, cursing and swearing as I go, to join the humungous queue at the main Post Office. Yep,huge queue as normal, takes in excess of the usual half an hour but I at least achieve the objective of posting said packages.
Now all that would've been bearable if it wasn't for the fact that it was almost immediately followed by:
The Tale of the Pastie Shop
Now, is it me or is this country just going to the dogs? Has it already gone?
I am reminded of an experiment some years ago, where scientists put increasing numbers of rats together in an enclosure and noted their reactions. At a certain number of 'rats per square foot' they started to go mad and eat each other. That I believe, is what is starting to happen to us 'homo sapiens' in good old Great Britain, post millenium. Too many peoploids on too small an island! Be warned, it could get very, very ugly!
There, I feel better all ready! Damned good for you, this 'blogging'!
Rest assured good people, we can fight it. It doesn't have to be this way! Together we can be a force for change and with that in mind, in the coming weeks/months/years I will try to take a more positive outlook concentrating on the more exciting, stimulating things of life and in particular, what makes ME tick.
Stay tuned, post any comments you feel compelled to share and come back soon.
Finally, as my employers say way too often,
"Keep yourselves and your loved ones safe"!
Cheers,
Grumpychops.