Blar i forfatter "Lloyd, Geoffrey E."

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    • Evolution of a shear zone before, during and after melting 

      Lee, Amicia; Lloyd, Geoffrey E.; Torvela, Taija; Walker, Andrew M. (Journal article; Tidsskriftartikkel; Peer reviewed, 2020-03-03)
      Partial melt in the deforming mid- or lower continental crust causes a strength decrease and drives formation of lithological heterogeneities. However, mechanisms of formation of syn-melt deformation zones and strain partitioning in partially molten rock remain poorly understood. We use field and microstructural observations to unravel the evolution of a partial melt shear zone, Seiland Igneous ...

    • A practical method to determine the five-parameter orientation of intragranular boundaries in polycrystals 

      Lloyd, Geoffrey E.; Lee, Amicia; Kahl, Maren (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-06-04)
      Intragranular boundaries are important features of polycrystalline materials and impact on many physical and chemical properties. Knowledge of their physical orientation is often crucial to explain such properties. However, it has proved difficult to determine the complete orientation of intragranular boundaries, which involves the misorientation angle and axis about which the adjacent crystal ...