...refers to a series of strata from the Early Paleozoic Era (Cambrian to Middle Ordovician) in the Korean Peninsula. The Palaeozoic strata of the Korean Peninsula are represented by the Korean system and the Late Paleozoic Pyeongan system (Late Carboniferous to Permian to Triassic), but no strata from the Late Ordovician to Early Carboniferous have been identified. However, rocks containing fossils from the Silurian and Devonian periods have been reported as gravel in the granite. *Some of the terminology used in reference to the "Pyeongan system" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…朝鮮半島における前期古生代(カンブリア紀~中期オルドビス紀)の一連の地層をいう。朝鮮半島の古生層はこの朝鮮系と後期古生代の平安系Pyeongan system(後期石炭紀~二畳紀~三畳紀)で代表されるが,後期オルドビス紀~前期石炭紀の地層は確認されていない。しかしレキ岩中の礫(れき)としてシルル紀とデボン紀の化石を含む岩石が報告されている。… ※「Pyeongan system」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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