Submitted by György Chityil ... on Fri, 01/19/2018 - 18:19 Hierarchy: NounDescription: {{context|geology}} The Laurentian period.Ngram: LaurentianNgram Text: LaurentianSource: WiktionaryIssue: 0Wiktionary tag: geologyNgram Count: 1Wikokit WikiText ID: 103011
