Submitted by György Chityil ... on Sat, 01/20/2018 - 01:20 Hierarchy: VerbDescription: {{geology|intransitive|of a mass of material}} To be thrown up from below, causing a fault.Ngram: upthrowNgram Text: upthrowSource: WiktionaryIssue: 0Wiktionary tag: geologyNgram Count: 1