Abukuma-do
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| Abukuma-do | |
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 The Takine Palace |
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| Location | Honshū, Japan |
| Nearest city | Tamura-shi, Fukushima Prefecture |
| Coordinates | 37°20′41″N 140°40′24″E / 37.344717°N 140.673472°ECoordinates: 37°20′41″N 140°40′24″E / 37.344717°N 140.673472°E |
| Visitors | 10,085,000 (in 1988) |
Abukuma-do (阿武隈洞 - Abukuma Cave) is a limestone cave located in Fukushima Prefecture, Japan. The cave was discovered on August 15, 1969, northeast of the city of Tamura and was originally named Kamayama Shonyu-do (釜山鍾乳洞). It was designated a natural heritage of the town on February 7, 1971 and renamed Abukuma-do on June 1, 1973.[1] Visitors can traverse a 600-metre-long path inside the cave as well as a 120-metre-long exploration course to view the stalactites and stalagmites. Each stalactite has taken more than eighty million years to form.[2] Beyond the public areas lie about 2,500 metres of cave that are not open to the public. Nearby Abukuma Cave is the smaller Irimizu Shonyu-do (入水鍾乳洞 - Irimizu Limestone Cave), discovered in 1927. Irimizu Limestone Cave was designated a National Natural Treasure on December 28, 1934.[3] The temperature inside Abukuma-do is around 15°C and the humidity is above 90%.
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[edit] Boxwork
A notable feature of Abukuma-do is the existence of boxwork, a rare cave formation composed of thin blades of the mineral calcite that project from cave walls and ceilings, forming a honeycomb or box-like pattern. Boxwork can also be found in Shimukugama in Okinawa and Sugawatari-do (氷渡洞 - Ice Cross Cave) in Iwate Prefecture, but because Abukuma-do is currently the only limestone cave in Japan open to tourists, it is subsequently the only cave in Japan in which you can see boxwork.
[edit] Christmas Tree and Silver Frost
The Christmas Tree and the Silver Frost are two of the most distinctive Speleothem inside Abukuma-do. The Christmas Tree is a stalagmite and The Silver Frost meets dripstones on the roof of the cave resulting in an impressive column. Both represent a featured stop along the 600 meter course inside the cave. According to the Abukuma Caves Management Office, The Christmas Tree, at over two metres high,[4] is said to be the largest stalagmite in the East.
[edit] Notes
[edit] References
- Takeda, Toru; Hishinuma, Tomio; Kamieda, Kinuyo; Dale, Leigh; Oguma, Chiyoichi (August 10, 1988), Hello! Fukushima - International Exchange Guide Book (1988 ed.), Fukushima City: Fukushima Mimpo Press
- Takeda, Toru; Hishinuma, Tomio; Oguma, Chiyoichi; Takiguchi, R. (July 7, 2001), Fukushima - Today & Tomorrow, Aizu-Wakamatsu City: Rekishi Shunju Publishing Co., ISBN 4-89757-432-3
- Suzuki, Katsuji (1993), Abukuma Cave, Irimizu Limestone Cave, Takine Town: Suzuya
[edit] See also
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Wikimedia Commons has media related to: Abukuma-do |
[edit] External links
- (Japanese) Tamura City official website
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