(geology) magma

cliff; rock

Iwakura, Japanese name and place-name

rocky mountain valley

rock strata

(rock) debris; scree

Iwasaki (Japanese surname)

bedrock

mountain path

Iwate (prefecture in Japan)

(geology) karst

(bird species of China) Eurasian crag martin (Ptyonoprogne rupestris)

rock painting; picture or writing carved on rocks

rock salt

grotto; cave

bharal

rappelling; abseiling

(bird species of China) hill pigeon (Columba rupestris)

(bird species of China) Pacific reef heron (Egretta sacra)

gneiss

(geology) asthenosphere

igneous rock

lava flow

(bird species of China) rock sandpiper (Calidris ptilocnemis)

(geology) lithosphere

petrology; lithology; study of rocks

rock stratum

(bird species of China) rock ptarmigan (Lagopus muta)

the Iwakura mission (Japanese diplomatic and exploratory mission to US and Europe of 1871)

palytoxin