noun
Geological term for the study of rock layers and layering. Synonymous with 層序学.
See also: 層序学
層位学は地層の順序や年代を研究する学問です。
Stratigraphy is the study of the order and age of geological strata.
Compound of 層位 (stratum position) + 学 (study). The exact historical derivation is uncertain; the term is a modern scientific coinage.