After examining the object more carefully, the scientists considered that in front of them was a part weighing 600 tons. According to some assumptions, we are talking about a hidden ancient mechanism.
Even with a visual inspection, the Ishi-no-Hoden megalith resembles a giant piece from a more complex technique. A prismatic protrusion was left on one of its planes – it is logical to assume that the spike was intended for implantation into the mechanism.
“The authors of this object had to remove tons of stone from the rock and somehow grind it to an almost mirror shine. At the same time, we didn’t find a single quarry nearby,” Dr. Kaoru Tokugawa from Osaka University told reporters.
On the side surfaces of the megalith there are also grooves, which are somewhat similar to the technical details for moving. They could also serve to move the stone itself along the counterparts in a larger structure, which looks more logical.
The surface treatment of the megalith does not look like manual work; rather, some kind of mechanical tool was used that could not chip, but grind hard rock. But questions, nevertheless, are more likely to be the purpose of a strange stone, which many private researchers unofficially call the “key”.
Work on the study of the megalith is difficult for ethical reasons. A Shinto monastery was built around it.