Trip A1

Quaternary and Pliocene granites in the Northern Japan Alps



Mountain view from Mt. Kashimayarigatake 
which is the higest exposed portion 
(2889.7m) of the Kurobegawa Granitic 
Pluton.
Mafic microgranular enclaves (MME ) mingled 
with filsic crystal mush mainly consisting of 
porphyritic plagioclase and quartz.

Mafic microgranular enclave (MME) dense zone in the upper part ofthe Kurobegawa Granitic Pluton. Generally, elliptic MMEs with major axes of 10 cm to 2 m densely occur in the large part of the pluton.