Dr. Robert Schoch
got interested in ancient civilizations after John Anthony West asked him his opinion on the origins of the Sphinx
BP = Before present (= years ago)
BCE = Before Current Era (= before Christ)
Standard paradigm of the origins of civilizations is based on theories of V. Gordon Childe (1892-1957)
- The fundamental evolutionary stages of humanity, according to V. Gordon Childe, are defined by three “revolutions”: the Neolithic Revolution, the Urban Revolution, and the Industrial Revolution. These represent major shifts from a hunter-gatherer lifestyle to agriculture and permanent settlements, followed by the development of cities, and culminating in the technological advancements of the industrial era.
(Google AI on fundamental evolutionary stages of humanity gordon childe) 
- last stage was first reached about 3.500 BCE/5.500 BP
- Sphinx would be 2.500 BCE/4.500 BP
- This theory is still being supported by archeologists and historians (with no clear evidence)
even if geology and astronomy provide totally different clues
True civilization already existed at the end of the last Ice Age (Younger Dryas) – Robert Schoch e.a.
- Sphinx has clear geologic evidence of heavy water erosion by protracted rainfall (NOT Nile flooding).
- Head of Sphinx was originally a female Lion (Mehit).
- Sahara was hyper-arid for the last 5.000+ years (3.000 BCE)
- African Humid Period: The most recent period of heavy rainfall was the “Green Sahara,” which lasted from about 11,000 to 5,000 years ago (9.000 – 3.000 BCE)
(google AI)
A “green” state prevailed in the Sahara during most of the time between 14,500 to 5,000 BP (12.500 – 3.000 BCE).
Except during the Younger Dryas, when conditions in North Africa were drier and the vegetation was more desertlike
(End of African Humid Period) - The Younger Dryas (YD, Greenland Stadial GS-1) was a period in Earth’s geologic history that occurred circa 12,900 to 11,700 BP. (WP)
- Göbekli Tepe: dating back at least to 10.000 – 8.000 BCE (12.000 BP – Sphinx Age)
Definitely pre-IceAge and built in several faces.
“unbelievably big and amazing” Dr. Ian Hodder, archeologist specialized in Turkey.
Was deliberately burried 10.000 BP (8.000 BCE)
Plaster from 9.700 BCE (11.700 BP) - Egyptian Dynasties developed around 2.500 BCE
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