Browsing Institutt for havromsoperasjoner og byggteknikk by Subject "The Oslo rift"

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Repeated brittle reactivations of preexisting plastic shear zone: combined K-Ar and 40Ar-39Ar geochronology of the long-lived (>700 Ma) Himdalen-Ørje Deformation Zone, SE Norway

Torgersen, Espen; Gabrielsen, Roy Helge; Ganerød, Morgan; van der Lelij, Roelant; Schönenberger, Jasmin; Nystuen, Johan Petter; Brask, Sofie (Peer reviewed; Journal article, 2022)

Brittle reactivation of plastic shear zones is frequently observed in geologically old terranes. To better understand such deformation zones, we have studied the >700 Ma long structural history of the Himdalen–Ørje Deformation ...