Gothian orogeny

Source: Wikipedia, the free encyclopedia.

The Gothian orogeny (

subduction zone and resulted in the formation of calc-alkaline igneous rocks 1700 to 1550 million years ago, including some of the younger members of the Transscandinavian Igneous Belt.[2]

The deformation associated with the orogeny can be seen in

orthogneisses in southeast Norway. These rocks were all subject to amphibolite facies metamorphism.[3]

Footnotes

References

  • Graversen, Ole; Pedersen, Svend (1999). "Timing of Gothian structural evolution in SE Norway: A Rb-Sr whole-rock age study" (PDF). Norsk Geologisk Tidsskrift. 79 (47–56). Retrieved 15 September 2015.
  • .