Tsukuba-san (Mt. Tsukuba)

 

Mt. Tsukuba is very famous mountain in Kanto area.  Mt. Tsukuba has two peaks, Nanatai-san and Nyotai-san.  Late Cretaceous gabbroic rocks are distributed around peak of the mountain.

 

Gabbro at Nanatai-san.

 

Peak of Nyotai-san.  Anorthosite is exposed.