| Budget Amount *help |
¥1,200,000 (Direct Cost: ¥1,200,000)
Fiscal Year 2000: ¥500,000 (Direct Cost: ¥500,000)
Fiscal Year 1999: ¥700,000 (Direct Cost: ¥700,000)
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| Research Abstract |
The purpose of this paper is to describe the salt circulation system in the middle and late Kofun ('burial moundes') period which extended from the second half of fifth century to the first half of seventh century AD.I investigate the circulaton system of salt produced at the central part of the Inland Sea where is one of the main salt production district in this period.
In Japanese archipelago there is no rock salt. Salt has been produced by sea water. In the western area of Japan, Salt produced by using paticular pottery untill late of 8th centuryAD.Sea water was perhaps concentrated by filtering through the seaweeds at the seashore. After concentrated brine was boilled in the crude small pottery. (This pottery is only used boilling brine.) We call this way 'salt production method using pottery'. And this pottery is called salt-making pottery. I think, the purpose of this method is the storage or conisume on a large scale, not small self-support. If ancient peoples made salt for house
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hold use, it is not neccecerry to use that paticular pottery. they could produce scanty salt to use cooking jar. Generally they transported or storaged salt produced by this method, should packed any large container for instance a straw bag.
But in the middle and late kofun period we usually find salt-making pottery from many consuming sites at inland area. Based on this fact, we suppose that a part of salt (producted by using poterrey) packed in the pottery was transported and storeged in this period. We can discriminate the place of salt production only based on the typological study of salt-making pottery
In the central part of the Inland Sea area, six salt produce groups exsisted in the late kofun period. Iesima group, Usimado group, Naosima group Western part of Kojima-Siwaku pgoup, Western part of Bittyu group Geiyo group. Each group used indevisual type of salt-making pottery. Generally only one type of salt-making pottery is excavated at each consumme site. In a word a consumme group supplied from single produce group of six groups exsisted in the central part of the Inland Sea.
I think that the salt circulation system at kofun period based on rocal Political relasious between chieftains, between chieftain and his community. At the product area, chieftain accumulated salt from each salt product unit. (We suppose that the scale of this'unit'was small family group from the scale, stracture of salt making site and their graves.) The chieftain of product group offer the Chieftains of several consumme group with salt. Again chieftain distributed salt to the memmbers of his community. In the end the extend of the salt circulation coincided with the territory of each chieftain. Unified salt circulation system covered on the central part of the Inland Sea area was not formated in this period.
In the same way at the central part of Kidai (Kawachi, Yamato) many small salt circulation area exsisted side be side.But in this area each consumme group used the salt produced from various groups or several district. For exsample central and northern part of Kii, Awaji, Northern part of Kawachi, central part of the Inlan Sea area and anymore.
Only chieftains dwelled in the central part of Kidai ordinarily could be gotten the salt from various groups. Correctly this fact means that they could get salt stably than the chieftains dwelled in other district. Ithink that the favorable position of chieftains in this area relate to the early state based on Kidai area so called 'Yamato political power'. Not only influential Chieftains but also small and weak chieftains should bebelonged to early state system accouding to his ability. Chiefatins in this area got the merit of salt circulation based on this position. Less
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