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July 16, 2020, 4:03 am UTC    
April 09, 2018 02:57PM
Agreed. I think Chris was just noting that his understanding of the process has changed, and he was outlining why.

I also agree that there is no need for a pre-dynastic source of flooding. Here's a video of a relatively recent thunderstorm at Giza: [www.youtube.com]

As you mention, Warwick, limestone (especially when high in salt) can erode very quickly.

You can see a fissure exposed in the 4th dynasty tomb of Ka-niswt here:



I took that picture in 2004. It would be interesting to examine the same fissure today. My feeling is that it's relatively young and has since been deepened to appear more rounded like what we see in the Sphinx enclosure.

I wonder what effect strong earthquakes can have on opening new fissures in exposed limestone.

Subject Author Posted

Some thoughts on the Age of the Sphinx Debate - Chris Ogilvie-Herald

Hermione April 07, 2018 10:46AM

Re: Some thoughts on the Age of the Sphinx Debate - Chris Ogilvie-Herald

Hans April 07, 2018 11:00AM

Re: Some thoughts on the Age of the Sphinx Debate - Chris Ogilvie-Herald

Hermione April 09, 2018 04:17PM

Re: Some thoughts on the Age of the Sphinx Debate - Chris Ogilvie-Herald

cladking April 07, 2018 04:27PM

Re: Some thoughts on the Age of the Sphinx Debate - Chris Ogilvie-Herald

M. Williams April 07, 2018 11:53PM

Re: Some thoughts on the Age of the Sphinx Debate - Chris Ogilvie-Herald

Warwick L Nixon April 09, 2018 11:56AM

Re: Some thoughts on the Age of the Sphinx Debate - Chris Ogilvie-Herald

Pete Vanderzwet April 09, 2018 02:57PM

Re: Some thoughts on the Age of the Sphinx Debate - Chris Ogilvie-Herald

M. Williams April 09, 2018 05:56PM

Re: Some thoughts on the Age of the Sphinx Debate - Chris Ogilvie-Herald

Pete Vanderzwet April 09, 2018 06:54PM

Re: Some thoughts on the Age of the Sphinx Debate - Chris Ogilvie-Herald

Hans April 10, 2018 10:55AM

Re: Some thoughts on the Age of the Sphinx Debate - Chris Ogilvie-Herald

Warwick L Nixon April 10, 2018 11:52AM

Re: Some thoughts on the Age of the Sphinx Debate - Chris Ogilvie-Herald

Hans April 10, 2018 12:01PM

Re: Some thoughts on the Age of the Sphinx Debate - Chris Ogilvie-Herald

Warwick L Nixon April 10, 2018 12:14PM

Re: Some thoughts on the Age of the Sphinx Debate - Chris Ogilvie-Herald

M. Williams April 11, 2018 12:34AM

Re: Some thoughts on the Age of the Sphinx Debate - Chris Ogilvie-Herald

Hans April 11, 2018 12:38AM

FY!

Warwick L Nixon April 11, 2018 10:45AM

Re: FY!

Hans April 11, 2018 10:51AM

Re: FY!

M. Williams April 12, 2018 03:54AM

Re: FY!

Warwick L Nixon April 12, 2018 11:29AM

Re: FY!

Hans April 12, 2018 05:44PM

Re: FY!

Warwick L Nixon April 13, 2018 11:23AM

Re: FY!

Hans April 13, 2018 11:39AM



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