The Sado Island Gold Mines are a serial property located on Sado Island, some thirty-five kilometres west of the Niigata Prefecture coast. It is formed of several component parts illustrative of different unmechanised mining methods. Sado Island is of volcanic origin and features two parallel mountain ranges stretching from southwest to northeast and separated by one alluvial plain, the Kuninaka Plain. Gold and silver deposits were formed by the rising of hydrothermal water to the land surface and forming veins in the rock; tectonic activity first submerged the surface deposits to the seabed, which was later raised again by tectonic movements. Placer deposits were exploited in Nishimikawa Area, located on the north-western side of the Kosado Mountains. In addition, the weathering of the volcanic rock exposed ore veins, which were mined underground in the Aikawa-Tsurushi Area, at the southern end of the Osado Mountains range. Mostly tangible attributes reflecting mining activities and social and labour organisation are preserved as archaeological elements, both above and below ground, and landscape features.
佐渡金山
佐渡金山系列遗产坐落于新潟县海岸以西约35公里处的佐渡岛上，包括多个展现不同非机械化采矿法的部分。佐渡岛是火山岛，有两条平行的山脉自西南向东北延伸，中间由冲积平原——国仲平原连接。岛上金银矿床的形成是由于热液上升到地表形成矿脉，继而随构造运动沉入海底，随后又因之再次升至地表。小佐渡山地西北面的西三川地区曾是砂金开采场；而在大佐渡山地南端的相川—鹤子地区，曾于地下开采的矿脉在火山岩风化作用下已暴露出来。无论是地上、地下遗存，还是景观特征，岛上大部分记录采矿活动，以及社会、劳动组织的物质遗产都作为考古发现得以保存。
Source UNESCO WH website http://whc.unesco.org/en/list/1698
- 1698-001 Nishimikawa Placer Gold Mine (西三川砂金山)
- 1698-002 Aikawa-Tsurushi Gold and Silver Mine - Aikawa area (相川)
- 1698-003 Aikawa-Tsurushi Gold and Silver Mine - Tsurushi area (鶴子)
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