Kihejima ruins - Kihejima ruins

...In areas such as the Setouchi region, records of iron salt pans can be seen from the Nara period, and there are also known articles that suggest salt fields, so it is believed that the earthenware salt-making method was abandoned early on, and boiling and roasting in large vessels, which was linked to the primitive salt-field salt-gathering method, was started. For example, the Kiheijima site in Naoshima-cho, Kagawa Prefecture, shows a structure of an earthenware salt-making site with a furnace in the center, a work surface spreading out around it, and a dumping ground for a huge amount of used earthenware salt-making vessels, ash, charcoal, etc., outside of that. There are furnaces made of stone, stone paved, and ash-soil walls. A large stone-paved furnace measuring about 5 m in length and 1.8 m in width is found at the Funaoka site in Oi-cho, Fukui Prefecture, and a small ash-soil furnace measuring about 1.0 m in length and 0.7 m in width is found at Nakandahama in Sakaide City, Kagawa Prefecture. ...

*Some of the terminology used in reference to the "Kibeejima Ruins" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…瀬戸内などの地域では，奈良時代に鉄製の塩釜の記録がみえ，また塩浜を思わせる記事が知られていることから，いち早く土器製塩法を脱し，原初的な塩田採鹹法と結んだ大型容器による煮沸煎熬が開始されたと考えられる。　土器製塩遺跡の構造は，香川県直島町喜兵衛島遺跡を例にとると，遺跡のほぼ中央に炉があり，その回りに作業面が広がり，ついでその外方に莫大な使用ずみの製塩土器，灰，炭などの捨て場が形成される。炉は石組みのもの，石敷きのもの，灰土で壁をつくるものなどあり，大は福井県大飯町船岡遺跡の長径約5m，短径約1.8mの石敷炉，小は香川県坂出市ナカンダ浜の長径約1.0m，短径約0.7mの灰土炉などがある。…

※「喜兵衛島遺跡」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報