The Scandian Orogeny 435-etc Ma

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Presentation transcript:

The Scandian Orogeny 435-etc Ma Responsible for Moine Thrust Zone, deformation and metamorphism in Northern Highlands

Jones and Blake

Dewey & Strachan 2003

Dark grey = areas affected by Scandian deformation (although Southern Uplands were too) Dewey & Strachan 2003

Dewey & Strachan 2003

Dewey & Strachan 2003

Dewey & Strachan 2003

Dewey & Strachan 2003

Dewey & Strachan 2003

Ballachulish igneous complex 427 Ma Silurian

Numbers in circles indicate pressures for regional metamorphism – arrows show pressures for contact metamorphism – why are they different? 0.22 GPa 0.3-0.4 GPa

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