Veins in the Lockport dolostone: evidence for an Acadian fluid circulation system

M. R. Gross, James Terry Engelder, S. R. Poulson

Research output: Contribution to journalArticle

10 Scopus citations

Abstract

The orientation and spatial distribution of veins in the Lockport dolostone attest to a fluid circulation system active during the Acadian orogeny in western New York and southern Ontario. Outcrops east of the Clarendon-Linden fault zone are cut by a prominent east-northeast systematic calcite-filled vein set, whereas these systematic veins are absent west of the fault zone, except in two quarries. Maximum horizontal stress (S H ) trend lines drawn parallel to the strike of the systematic veins are incompatible with S H inferred from Alleghanian plateau and other post-Paleozoic structures. However, because east-west S H trend lines are compatible with an Acadian tectonic event in western New England, systematic veins in the Lockport Group are a cratonward signature of the Acadian orogeny. -from Authors

Original languageEnglish (US)
Pages (from-to)971-974
Number of pages4
JournalGeology
Volume20
Issue number11
DOIs
StatePublished - Jan 1 1992

All Science Journal Classification (ASJC) codes

  • Geology

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