Basement domain in the Southeastern Laurentia and Appalachians
Region | Southeastern Laurentia and Appalachians |
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Alternate names | Blue Ridge-Taconide |
Crust |
Type: Passive margin
Formation age: 1250-750 Ma
|
Accretion |
Type: Collisional
Age: Late Ordovician-Early Silurian
|
Notes | peri-Gondwana origin, converted to extensional accretionary orogen |