Type of Onsen in English
Type of Onsen in Japanese
Proportion in Japan
chloride salts
31.0%
simple thermal
P
23.5%
sulfur
12.9%
monohydrogenocarbonate
Y_f
10.0%
sulfate salts
_
7.7%
radioactive
˔\
6.3%
other
̑
4.8%
iron
ܓS
2.2%
carbon dioxide
_Yf
0.8%
simple acid
_
0.8%
aluminium
܃A~jE
0.1%