GeoHazardsNCP2018: UTokyo-ANU International Excursion on Earth and Planetary Environment -Day9-

Compile tweet about GeoHazardsNCP: UTokyo-ANU International Excursion on Earth and Planetary Environment -Day9- If you don't want me to use your tweet, please contact me. Visit the Fujisan World Heritage Centrethe Fujisan World Heritage Centre & old lava flow sites.
UT 地学 東京大学 オーストラリア Earth Science 地球科学 ANU
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Saiko Bat Cave

Hana Ogilvie @HanaOgilvie
Going into the Fuji Aokigahara bat cave with the #GeohazardsNCP18 team. Don’t forget your safety gear as you explore some of Japan’s most famous basalt caves. Made over 12,000 years ago, the bat cave are part of the 1.3 cubic kilometres of lava expelled by Fuji San in 864-6 🌋 pic.twitter.com/qFa26nzv4g
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NiJOSHongo @NiJOSHongo
Did you know that the Pahoehoe basaltic lava flows at the Saiko Bat Cave near #MtFuji are similar to those in Hawaii? The thick but low viscosity lava hardens into the beautiful smooth undulating pattern seen in photo 2 #GeohazardsNCP18 @scienceANU @anuearthscience @ANU_CPAS pic.twitter.com/OPLu8VlYrS
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NiJOSHongo @NiJOSHongo
First time seeing lava stalactites where water 💧 drips down from the domed shaped ceiling.Also surprised to find diatoms(algae which need sunlight) on the cave walls!Probably transported by groundwater flow from Lake Saiko. #GeohazardsNCP18 @scienceANU @anuearthscience @ANU_CPAS pic.twitter.com/8iRkIqJwkf
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NiJOSHongo @NiJOSHongo
New fun fact I learnt today: Lava domes like this 1.5m across, 0.5m one, form when gases (mainly water vapor) build up in still molten lava under a crust of solidified lava. #GeohazardsNCP18 @scienceANU @anuearthscience @ANU_CPAS pic.twitter.com/PfLDq9vK4R
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Laura Ting @laura_ting
THE FLOOR IS LAVA! The Fuji Aokigahara Bat Cave is over 12,000 years old and was formed by lava from the eruption of Mt Fuji. How cool! #GeohazardsNCP18 @ANU_CPAS pic.twitter.com/Nquq5zDria
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Connor @ConnorSkeels
The Saiko Bat caves, formed during a lava flow event after an eruption on mt fuji, with the bottom and top cooling faster than the inside, allowing for a large channel to be created. Inside you can see ropy lava-rock beds (pahoehoe) as well as lava stalactites #GeohazardsNCP18 pic.twitter.com/MsIWB1e4Cq
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Deanna Catto @deecat95
It was very exciting to go inside a lava cave this morning. I learn best when I can touch things so this helped to put the lectures into context for me. Inside you can see the direction that the lava flowed! #GeoHazardsNCP18 @anuearthscience pic.twitter.com/dNSrX1lqi9
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Hannah Griffiths @ncpjapan_hannah
Today we headed out to the Saiko Bat Cave near Mt Fuji to check out some Pahoehoe lava flows! This lava is similar to the lava found in the Hawaiian Islands and forms an amazing pattern as it cools. #GeohazardsNCP18 @scienceANU @anuearthscience @ANU_CPAS @ourANU pic.twitter.com/mJKvQ1snJo
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Kosuke I. @utokyo_eps_ik
Today we visited “Lake Saiko Komoriana #Cave (bat cave)” in Aokigahara Jukai Forest. This cave was made by #lava flow. It is one of the biggest lava caves around Mt. #Fuji and has relatively large branches. #GeoHazardsNCP18 pic.twitter.com/JfrsjidAjE
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Narumi @na_aori
#西湖コウモリ穴(Saiko bat cave)。噴火の際流れ出た溶岩の表面だけが冷え固まってできた溶岩洞窟です。洞窟内には天井から垂れる数センチの鍾乳石、流れの方向がわかる縄状溶岩。なおコウモリの住処は保護区域に指定され、見ることはできません。@ANU_CPAS @anuearthscience #GeohazardsNCP18 pic.twitter.com/IiNB0DPjsm
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Jiragonno

NiJOSHongo @NiJOSHongo
Visited a former quarry where we learnt about using air bubbles in volcanic rock to determine lava flow direction.Also saw the solidified structures formed by tree molds when fast moving lava flows through a forest of trees. #GeohazardsNCP18 @scienceANU @anuearthscience @ANU_CPAS pic.twitter.com/mycenGyb63
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Georgia Elliott @GeorgiaKate248
Fun morning looking at evidence of 1200 year old lava flow from a past eruption of Fuji 🗻 Gas pockets made the rock porous, meaning it is lighter than it looks! ⛰ #GeohazardsNCP18 #lava #thistriprocks @anuearthscience @NewColomboPlan pic.twitter.com/Kv94bGd7Wf
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Luke @luke_hillsley
Air bubbles in a rocky outcrop helped us to determine the direction of the lava flow from Mount Fuji 1100 years ago. This information is used to teach younger generations about past conditions to develop effective mitigation & escape plans for future eruptions🌋 #GeohazardsNCP18 pic.twitter.com/u5JLEXxMb9
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Hannah Griffiths @ncpjapan_hannah
Air bubbles in this old quarry show the direction of lava flow from when Mt Fuji erupted 1100 years ago. There were also tree molds which are structures that are formed when a tree is enveloped by a lava flow. #GeohazardsNCP18 @anuearthscience @scienceANU @ourANU @ANU_CPAS @dfat pic.twitter.com/6xdWouUTSL
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Narumi @na_aori
ジラゴンノという楽しい地名の溶岩見学スポット。溶岩樹型は流れる熱々の溶岩に取り込まれた木が燃え、その跡が残ったもの。穴を覗くと数センチの溶岩鍾乳石もありました。@ANU_CPAS @anuearthscience #GeohazardsNCP18 pic.twitter.com/yQdfWWDgdR
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The Fujisan World Heritage Center

NiJOSHongo @NiJOSHongo
Do you know that #MtFuji is a UNESCO World Heritage Site under the “cultural heritage” category and not “natural heritage” category? <continued> #GeohazardsNCP18 @scienceANU @anuearthscience @ANU_CPAS
NiJOSHongo @NiJOSHongo
<continued>This is because in its current form, #MtFuji is only 10,000 years old,an infant in terms of geological time.But its contribution to the history of religion & arts in Japan is phenomenal! Hence the categorization. #GeohazardsNCP18 @scienceANU @anuearthscience @ANU_CPAS pic.twitter.com/wDpEicAFnG
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Deanna Catto @deecat95
At the Fuji-san World Heritage Centre there is an incredible display of Mount Fuji made from traditional Japanese paper. Using coloured lights, it displays the activity on the mountain throughout the seasons. #GeohazardsNCP18 @anuearthscience @ANU_CPAS pic.twitter.com/1jIhnNIR30
Kate T @KateTNCP
After a week of geology classes in #Japan I only learnt today that there is a #MtFuji religion, which worships the Goddess of the mountain. It’s a humbling reminder that what we analyse in science can be sacred for some people #geohazardsncp18 pic.twitter.com/4wvYoD13bV
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Hannah Griffiths @ncpjapan_hannah
Today we visited the Fujisan World Heritage Center, where we were given an amazing tour of the exhibits! We were unable to see the real Mt Fuji today due to cloud cover so we really enjoyed the 360 degree view of Mt Fuji! #GeohazardsNCP18 @scienceANU @anuearthscience @ANU_CPAS pic.twitter.com/Z5QFWRZ1wu
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