模も式しき地ち

noun

type locality

Geology term: the location where a particular rock type, stratigraphic unit, or mineral species was first described.

• この地ち層そうの模も式しき地ちは、北ほっ海かい道どうの東とう部ぶに位い置ちしている。

  The type locality of this stratum is located in eastern Hokkaido.