Ancient Egyptian rock crystal ring carved in the shape of a sphinx dates back to 1295-1069 BC. The age and origins of the Great Sphinx of Giza remain a subject of debate among experts. While many Egyptologists believe it was constructed during the Old Kingdom (c. 2686-2181 BC), there are no inscriptions from that era mentioning the Sphinx.
Geologist Robert Schoch proposed that water erosion on the Sphinx suggests it could be much older, possibly around 10,000 BC, dating back to the end of the last Ice Age. Schoch also questioned the head of the Sphinx, suggesting it might not be the original head and could have been placed there later.
Egyptologist Zahi Hawass countered Schoch's hypothesis, stating that no artifacts or inscriptions predate Egyptian civilization by more than 5,000 years.
Regarding erosion, some geologists suggest it could result from Nile river flooding, while others point to Haloclasty, a process involving moisture and salt crystals within limestone that can cause erosion when heated.
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