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層群 (そうぐん) Japanese meaning | Kotomora

層そう群ぐん

Meanings

1

noun

group (geology)

A geological unit consisting of multiple formations; used in stratigraphy.

この地ち域いきの層そう群ぐんは、主おもに砂さ岩がんと泥でい岩がんからなる。
The group in this area consists mainly of sandstone and mudstone.

Kanji

層stratum, social class, layer
群flock, group, crowd

Similar words

累るい層そう
累層 is a formation, a smaller unit within a 層群 (group).
地ち層そう
地層 is a general term for strata or geological layers, while 層群 specifically refers to a group of formations.

Etymology

Compound of 層 (stratum) and 群 (group), directly translating the English geological term 'group'.