Introduction to the Landforms and Geology of Japan



Landforms and Geology in Japan







Schists in Nagatoro
Nagatoro is a well-known scenic spot with wonderful rocky landscapes along the River Ara-kawa. In terms of geology, Nagatoro is a famous site that has excellent exposures of schists.
Schists in Nagatoro
Yoro Mountains
The eastern slope of the Yoro Mountains is a good example of the dissected fault scarp.
Yoro Mountains
Fuji volcano — a beautiful huge body
The elegant form of Fuji Volcano is a typical form of stratovolcano commonly seen in island arcs, but the formation and size are uncommon.
Mount Fuji
Structures found on wave-cut benches in the southern Miura Peninsula
Various interesting structures, such as structural relief, faults, vein structure, chaotic rock, and duplex, are found on uplifted wave-cut benches in the southern Miura Peninsula near Tokyo.
Miura Peninsula
Accretionary lapilli
Accretionary lapilli are pellets of very fine volcanic ash formed by accretion in eruptive columns. This topic introduces accretionary lapilli in the Boso Peninsula which suggests the location an old vanished volcano.
Accretionary lapilli
The 1888 eruption of Bandai-san and colored lakes
The 1888 eruption caused widespread damage, changed landforms and formed many lakes. Some of the lakes have impressive colors. What is making the colors?
Tei mélange and Muroto -- Shimanto accretionary complex
Good exposures of accretionary complex rocks which are essentials in development of island arc, and records of uplifts in Muroto 
Tei melange and Muroto
Columnar joints and landscapes
Erosion of rocks developed columnar joints often creates splendid landscapes. This topic introduces six scenic spots of columnar jointing: Tsumekizaki, Kawazu Nanadaru, Jogasaki Coast, Hinomisaki, and Takachihokyo.
Columnar joints and landscapes
Goshogake and Tamagawa hot springs
Mud volcanoes in the Goshogake hot springs and volumes of pH 1.2 hot water discharged in the Tamagawa hot springs demonstrate lively geothermal activities.
Goshogake mud volcanoes
Neodani fault museum
The Neodani fault caused the huge Nobi earthquake in 1891. The Earthquake Fault Observation Museum has a trench to exhibit 6-m vertical offset of the Neodani fault.
Neodani fault

Welcome to GLGArcs!

Please see “About this site” for author’s message and e-mail address.