Loganās Line
Loganās Line, in geology, prominent zone of thrust faulting in northeastern and eastern North America related to the culmination of the Taconic orogeny during the Ordovician Period (488.3 million to 443.7 million years ago). The zone parallels the coast of Newfoundland, follows the St. Lawrence valley, trends south following the Hudson valley to Kingston, New York, and southwest across Pennsylvania.
This article was most recently revised and updated by Amy Tikkanen.
Citation Information
Article Title:
Loganās Line
Website Name:
Encyclopaedia Britannica
Publisher:
Encyclopaedia Britannica, Inc.
Date Published:
27 April 2017
Access Date:
November 14, 2026