[Hida City, Gifu Prefecture] A Feat Unseen in 30 Years! "Stone Rods," Prayer Implements from the Jomon Period Unearthed in Miyagawa Town, Hida City, and 377 Other Items Designated as National Important Cultural Properties! Recognized for their high academic value as materials for deciphering the manufacturing process.

Frequently Asked Questions

Q: What designation did the Cultural Council recommend for the 377 excavated items from Hida City?

A: The Cultural Council recommended designating them as National Important Cultural Properties (Arts and Crafts) of Japan.

Q: What specific material was collected nearby and used to manufacture the stone rods in Miyagawa Town?

A: Tuff, which is commonly referred to as Shioya Stone, was collected nearby and used as the raw material.

Q: What is the estimated time period during which the stone rods were produced at the excavated ruins?

A: They were produced from approximately 4,500 years ago in the Middle Period to 3,500 years ago in the Late/Final Period.

Q: How many total items were recommended for the designation, and what is the breakdown of the main designated items?

A: A total of 377 items were recommended, including 284 main designated items consisting of 171 stone rods and 113 tools.

Q: What types of tools were included among the 113 main designated tools excavated from the ruins?

A: The tools consist of eighty-three hammerstones and thirty whetstones used for manufacturing the stone rods.