Geo Photos

The sciences such as as geography, geology, or meteorology, that deal with the earth, its composition, formation, and ongoing development.

Re: Geo Photos

PostPosted by jlhredshift » Sun Mar 04, 2012 3:18 pm

The London Bridge.
"The track of a glacier is as unmistakable as that of a man or a bear, and is as significant and trustworthy as any other legible inscription"
John Strong Newberry; 1873
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Re: Geo Photos

PostPosted by bunbury » Sun Mar 04, 2012 4:40 pm

Yes, built of the same granite as Hay Tor and quarried nearby. Sold to an American for a couple of million dollars and shipped to Arizona to become a tourist attraction.
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Re: Geo Photos

PostPosted by marnixR » Sun Mar 04, 2012 5:31 pm

still puzzling though : why would you ship a complete structure halfway across the world ?
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Re: Geo Photos

PostPosted by jlhredshift » Sun Mar 04, 2012 6:08 pm

marnixR wrote:still puzzling though : why would you ship a complete structure halfway across the world ?

As was indicated, money.
"The track of a glacier is as unmistakable as that of a man or a bear, and is as significant and trustworthy as any other legible inscription"
John Strong Newberry; 1873
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Re: Geo Photos

PostPosted by bunbury » Sun Mar 04, 2012 7:09 pm

According to Wikipedia:
London Bridge has become Arizona's second-biggest tourist attraction, after the Grand Canyon.
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Re: Geo Photos

PostPosted by marnixR » Sun Mar 04, 2012 7:57 pm

bunbury wrote:According to Wikipedia:
London Bridge has become Arizona's second-biggest tourist attraction, after the Grand Canyon.


really, not Meteor Crater ?
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Re: Geo Photos

PostPosted by jlhredshift » Sun Mar 04, 2012 8:59 pm

marnixR wrote:
bunbury wrote:According to Wikipedia:
London Bridge has become Arizona's second-biggest tourist attraction, after the Grand Canyon.


really, not Meteor Crater ?


Last time I was there it was almost like a private viewing.
"The track of a glacier is as unmistakable as that of a man or a bear, and is as significant and trustworthy as any other legible inscription"
John Strong Newberry; 1873
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Re: Geo Photos

PostPosted by marnixR » Sun Mar 04, 2012 9:00 pm

wow ! any particular reason why ? is it far off the beaten track ?
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Re: Geo Photos

PostPosted by jlhredshift » Sun Mar 04, 2012 9:12 pm

marnixR wrote:wow ! any particular reason why ? is it far off the beaten track ?


Yes, basically from Phoenix, its drive north to Flagstaff and turn right. But, the geology along the way is awesome, Sedona, volcanoes, etc.
"The track of a glacier is as unmistakable as that of a man or a bear, and is as significant and trustworthy as any other legible inscription"
John Strong Newberry; 1873
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Re: Geo Photos

PostPosted by jlhredshift » Tue Mar 13, 2012 2:22 pm

I was able to do a minor field trip this weekend. Below is an image of the south facing valley wall of the Grand River in Lake county Ohio, south of where I live. Generally speaking the Grand River valley cuts through the Devonian Chagrin Shale overlain by the Sharon Conglomerate. The formation of this valley is thought to have formed after the last Wisconsinan ice sheet had withdrawn sometime after +- 14krcybp. The second photo is of the shingle on the south bank of the river. Note that there are no igneous rocks among the shingle other than some resistant chert pebbles of ancient unknown age. I have had several personal conversations with researchers in this area and the cutting of the valley is considered to be an open question. The Pleistocene ice sheets overran this area every time, yet erratics are either rare or nonexistent and the few that can be found are supposed to have rolled down from the surrounding cliffs, which are covered with erratics of all sizes. The valley is sometimes several hundred feet below the surrounding area. The origin and evolution of the Grand River Valley is my geologic project, probably, for the rest of my life.

Image

Image

Link to the Flickr set:

http://www.flickr.com/photos/jlhredshift/sets/72157629211909314/with/6979215655/
"The track of a glacier is as unmistakable as that of a man or a bear, and is as significant and trustworthy as any other legible inscription"
John Strong Newberry; 1873
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