Sphinx dating controversy
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Later archaeologists decided to examine the work of stone masons to better understand how the ancient Egyptians built things.
The mainstream archaeological view is that it was done with copper, bronze, and wooden tools used by Egyptian masons today to cut granite.
After doing this, they would continue to drive the wedge in even further.
Doing this repeatedly would eventually split the rock into blocks.
The current understanding of how Egyptians bored through granite among mainstream archaeologists is that they used a method where they would drive a wooden wedge into a crack in the rock and soak the wedge with water.
As the water expanded, this would cause the crack in the rock to widen.
While it is possible that more advanced technologies could have been developed by earlier civilizations then anticipated, there does not appear to be much reliable evidence to support this idea.
If the ancient Egyptians did cut through granite with equipment such as electric drills or lasers or similarly advanced technology, these hewn granite slabs are the only evidence for it that we have.Others, however, have suggested that it was done with more advanced equipment that is yet to be discovered.For the time being, the balance of evidence seems to suggest the mainstream view that primitive metal and wooden tools used by common stone masons were sufficient for cutting through granite. Cotsen Institute Press, University of California, Los Angeles.]Toward a Prehistory of the southern Sea Otter (Enhydra lutris nereis). [In Maritime Adaptation and Seaside Settlement along the Pacific Coast of North America during the Pleistocene-Holocene Transition, edited by Jim Cassidy, Robert Ackerman, and Irina Ponkratova, pp. [Journal of California and Great Basin Anthropology -31.]The Protracted Holocene Extinction of California's Flightless Sea Duck (Chendytes lawi) and its Implications for the Pleistocene Overkill Hypothesis [Proceedings of the National Academy of Science 105-4108.]Spatial and Temporal Distributions of Archaeological Heated-Rock Cooking Structures in the Transverse Mountain Ranges: Proposed Markers of Land-Use Shifts since the Early Holocene [SCA Proceedings - PDF]. University of California Press, Berkeley.]The Cross Creek-Diablo Canyon Complex of South Central California: Mid-latitude Pacific Foragers at the Pleistocene-Holocene Boundary. 2.]Another Trans-Holocene Sequence from Diablo Canyon: New Faunal and Radiocarbon Findings from CA-SLO-585, San Luis Obispo County, California. [Northwest Research Obsidian Studies Laboratory - PDF]. In Archaeological Investigations, PGT-PG&E Pipeline Expansion Project, Idaho, Washington, Oregon, and California, Volume V: Technical Studies, by Robert U. Ancient Egypt is known for many technological and artistic achievements, constructing pyramids and temples, inventing a system of writing, hieroglyphs, and making advancements in medicine, astronomy, and many other fields.