Mine, Yamaguchi


Karst landscape of Akiyoshidai

Location of Mine in Yamaguchi Prefecture

Location in Japan

Coordinates: 34°09′47″N 131°12′30″E / 34.16306°N 131.20833°E / 34.16306; 131.20833Coordinates: 34°09′47″N 131°12′30″E / 34.16306°N 131.20833°E / 34.16306; 131.20833
Country Japan
Region Chūgoku (San'yō)
Prefecture Yamaguchi Prefecture
  Mayor Akira Nishioka (since April 2016)
  Total 472.71 km2 (182.51 sq mi)
Population (May 1, 2016)
  Total 25,857
  Density 54.70/km2 (141.7/sq mi)
  Tree Live oak
  Flower Cherry blossom
Time zone Japan Standard Time (UTC+9)
City hall address 326-1 Higashi-bun, Ōmine-chō, Mine City, Yamaguchi Prefecture (山口県美祢市大嶺町東分326番1号)
Website www2.city.mine.lg.jp

Mine (美祢市 Mine-shi) is a city located in Yamaguchi Prefecture, Japan.

As of May 1, 2016, the city has an estimated population of 25,857 and a population density of 54.70 persons per km². The total area is 472.71 km².

View of Karst landscape


The city was founded on March 31, 1954 by a merger of municipalities that departed from Mine District (Mine-gun).

On March 21, 2008, Mine absorbed the rest of Mine District, which consisted of towns Mitō and Shūhō, while the newly merged city retained the name, Mine.


Akiyoshi-do cave


Stalactite called "Gold Column"

The plateau consists of uplifted reef limestones of Paleozoic age, which were thickened by overfolding during the Akiyoshidai orogenic movement. Subsequent erosion has created an undulating karst landscape dimpled with many dolines and countless limestone pinnacles up to two meters in height. Beneath the surface lie hundreds of caves, a few of them quite significant geologically.

Numerous fossils of Pleistocene age have been found in these caves, including those of the Japanese rhinoceros, Stegodont elephant, Naumann elephant, Young tiger, and numerous other animals from the last interglacial period.

The area around Akiyoshidai was once heavily forested about 500,000 years ago. In the Jōmon period, the area served as a hunting ground and the bottoms of sinkholes as vegetable fields. Numerous Paleolithic artifacts have been recovered. As farming began in Japan, the local people eventually replaced the forested landscape with Japanese pampas grass for feeding their animals and thatching houses. Repeated cycles of burning the grass have kept trees from growing back since.





Chūgoku Expressway


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