Mine-Akiyoshidai Karst Plateau Geopark

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Miné-Akiyoshidai Karst Plateau Geopark
View of Akiyoshidai
TypeJapanese Geopark
LocationMine, Yamaguchi, Japan
Websitehttp://en.mine-geo.com/

Mine-Akiyoshidai Karst Plateau Geopark (Japanese: Mine秋吉台ジオパーク) is a geopark that covers the entire area of Mine City in Yamaguchi Prefecture, southern Japan. It was certified as a Japanese geopark in 2015[1] and is a UNESCO Global Geopark. Akiyoshidai Quasi-National Park is situated within the geopark.[2] Mine-Akiyoshidai Karst Plateau Geopark is a member of the Japanese Geoparks Network,[3] and works with both the Global Geoparks Network and the Asia Pacific Geoparks Network.[4]

Theme[edit]

The theme of Mine-Akiyoshidai Karst Plateau Geopark is ”The history of the Earth and its life is still alive in the karst plateau; draw close to the Earth, and support one another".[5]

Geology[edit]

Mine-Akiyoshidai Karst Plateau Geopark uses the white/black/red system to describe the area's geological features to its visitors.

White represents the limestone that makes up the Akiyoshidai karst plateau towards the north-east of the geopark. Karst formations can be seen in Akiyoshidai karst plateau, the largest karst plateau in Japan; these were once coral reefs that formed in the southern sea and were carried towards the continent on the oceanic plate 300 million years ago.[6] The coral was added to the continental plate through accretion, where it became limestone over time.[6] Underneath the karst plateau is Akiyoshidō Cave, one of the largest limestone caves in Japan that was formed as rainwater dissolved the limestone on the karst plateau and created an underground tunnel.[6] This phenomenon created the karst landscape of Mine City.

Black represents coal. Anthracite, a rare type of coal in Japan which does not emit much smoke when burned, formed 200 million years ago in the Ōmine area towards the west of the geopark.[5] Coal mining was a prominent industry at the Ōmine Coalfield, which was the largest producer of anthracite in Japan in the 1960s.[5]

Red represents the copper of Naganobori Copper Mine in the Mitō area, towards the east of the geopark. The copper from this region was formed 100 million years ago when the limestone in the ground reacted with magma through volcanic activity.[5] Excavations have revealed that Naganobori is the oldest copper mine in Japan and that the high-quality copper that was excavated in this area was used in the construction of the Great Buddha of Nara in 753.[7]

Karstar[edit]

Karstar

Mine-Akiyoshidai Karst Plateau Geopark Center "Karstar" is a tourist information center situated in Akiyoshidai Karst Plateau.[5] The Geopark Center features a café, a free resting area, free Wi-Fi and mobile phone chargers. Visitors can speak to certified "Geoguides" at Karstar who provide information about the geopark and the activities that are on offer. The "Geoguides" also offer geotours of the area.

Sites[edit]

Mine-Akiyoshidai Karst Plateau Geopark features 27 geosites, 14 cultural sites and 3 natural sites.[5]

Entrance to Akiyoshidō Cave
Beppu Benten Pond
Naganobori Copper Mine Ruins
Yowara Uvala and Hamlet
Arakawa Horizontal Mine Ruins

Geosites

Cultural sites

  • Naganobori Copper Mine Ruins
  • Suebara Kiln Ruins
  • The Buddha in the wall of Mt Rakan, Ishiyakata
  • Aokage Silver Mine Ruins
  • Arakawa Horizontal Mine Ruins
  • Mine Inclined Mineshaft Ruins (Mugigawa)
  • The lime kiln ruins of Ofuku
  • Chōjaga Forest
  • Yowara Uvala and Hamlet
  • The doline fields of Kaerimizu
  • Kinrei Shrine
  • Suijin Park (Guardian god for breast milk)
  • The terraced paddy fields of Ōishi
  • Kuzuga Hole

Natural sites

  • Mt Katsuragi
  • Mt Hanao
  • Nitanda Reservoir (Water Iris Field)

References[edit]

  1. ^ 山口県. "山口県". www.pref.yamaguchi.lg.jp (in Japanese). Retrieved 2022-01-20.
  2. ^ Association, Mine City Tourism. "Mine City Tourism Association". en.karusuto.com (in Japanese). Retrieved 2022-01-20.
  3. ^ "Japanese Geoparks Network". geopark.jp. Retrieved 2022-01-20.
  4. ^ "List of APGN members – Asia Pacific Geoparks Network". asiapacificgeoparks.org. Retrieved 2022-01-19.
  5. ^ a b c d e f "Mine-Akiyoshidai Karst Plateau Geopark". en.mine-geo.com. Retrieved 2022-01-20.
  6. ^ a b c Homepage, Akiyoshidai Official. "Akiyoshidai Official Homepage". Akiyoshidai Official Homepage (in Japanese). Retrieved 2022-01-20.
  7. ^ 長登銅山文化交流館. "長登銅山跡". 日本最古長登銅山跡. Retrieved January 19, 2022.

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