岩石切断
Old_version(古い版)：http://yossi-okamoto.net/Thin-Sections/Rock_cut1/index.html
Using home-made rock-saw, Click image to video.
自作の岩石切断機を用いる．
The making recipe for my homemade rock saw: http://seagull.stars.ne.jp/2019_Rock_Saw/index.html
岩石切断機の作り方は上記リンク
Cutting a gabbro sample at Mt.Ikoma; Click the image to video
岩石のカットは下記写真をクリック（生駒山のはんれい岩）
Video URL:https://youtu.be/eFJl1IKR4gE
Cutting a building stone sample (Click the image to video), Impala Blue South Africa
石材の切断（南アフリカ産インパラブルー）
Video URL:https://youtu.be/4OlQUEcenWM
Special thanks to the building stone shop: https://osakasekizai-minamiosaka.com/
Tips made by my home-made rock saw. Mt.Higashiakaishi ultramafics and schists.
自作の岩石切断機で作った岩石チップ，東赤石山の超塩基性岩と結晶片岩．
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