rare term  geology  noun  noun (generic) 

• (theory of) isostasy

geology  noun  noun (generic)  noun (suffix)  abbreviation  historical term 

• period
• Nihon Shoki (second oldest work of Japanese history, compiled in 720 CE), Nihongi, Chronicles of Japan
• Kii (former province located in present-day Wakayama and southern Mie prefectures)

counter  geology  noun (suffix)  noun (generic) 

• counter for generations
• epoch

geology  noun  noun (generic) 

• isostasy

geology  noun  noun (generic) 

• clastic rock

geology  noun  noun (generic) 

• detritus, clastic material

usually written using kana alone  geology  noun  noun (generic) 

• shirasu, white pumiceous soil of southern Kyushu

geology  noun  noun (generic) 

• K-T boundary (between the Cretaceous period and the Tertiary period)

geology  noun  noun (generic) 

• aquifer

gairaigo  German origin  geology  noun  noun (generic) 

• uvala (composite karst depression)