noun
sedimentology
Scientific field studying sedimentary rocks and processes. Used in geology and earth science contexts.
堆積学は地層の形成過程を研究する学問です。
Sedimentology is the study of the formation processes of strata.
堆積 means 'sedimentation' or 'accumulation'; 堆積学 is the formal academic discipline.
Compound of 堆積 (sedimentation) + 学 (study, -ology). A straightforward modern academic term.