From
[www.aeraweb.org]


>" * The Sphinx is carved from the same quarry as the core blocks in the two lower Khafre temples.
>" * The Sphinx Temple was built using blocks from the Member II layer of the Sphinx quarry.
>" * The core blocks of the Sphinx Temple are matched geologically and archaeologically to
> the lower layers of Member II of the Sphinx quarry, indicating that the Sphinx lower body
> and Sphinx Temple were part of the same quarry-construction sequence.
> There is no current evidence (that stands up to the scrutiny of science) pointing to any
> other date for the Khafre monuments. The best statement science can make is that with a
> high degree of probability the Sphinx and the Sphinx Temple were constructed late in the
> sequence of the Khafre building program during the reign of that king."

Not to belittle in any way your untrained but keen eye, this has been studied by experts all the way down to the actual rock grain...
Even in the 4th dynasty it's worth getting some foundation before starting construction...

Jammer


Jammer