SIGGI from Iceland Geosurvey showed me magical detail of this world at boring geothermal point

地熱の蒸気を得るために地中に穴をあけている場所にて。
地学のスペシャリストのSiggiが、この世の不思議を見せてくれた。








memo : words from sentences siggi mentioned
each individual grain
very often beautiful
to identify the rocks
large things made of many small things
great variety