堆たい積せき岩がん

た

い

せ

き

が

ん

Meanings

1

noun

sedimentary rock

Geological term for rock formed by the accumulation and consolidation of sediments.

piled high

積volume, product (x*y), acreage

岩boulder, rock, cliff

火か成せい岩がん
Igneous rock, formed from cooled magma or lava, as opposed to sedimentary rock formed from accumulated sediments.
変へん成せい岩がん
Metamorphic rock, formed by transformation of existing rock types under heat and pressure.

Compound of 堆積 (taiseki, 'accumulation, sedimentation') + 岩 (gan, 'rock').