e/Saint Lawrence rift system

Information
has gloss	eng: The Saint Lawrence rift system is a seismically active zone paralleling the Saint Lawrence River. The rift system trends northeast and southwest and forms a half-graben that links the Ottawa-Bonnechere and the Saguenay grabens. The rift system extends more than 1000 km along the Saint Lawrence valley from the Ottawa - Montreal area. Within the system fault reactivation is believed to occur along late Proterozoic to early Paleozoic normal faults related to the opening of the Iapetus Ocean.
lexicalization	eng: Saint Lawrence Rift System
instance of	c/Seismic faults of Canada