intrusion

Phacolith
  • Location:
  • Date Taken (dd-mm-yy): 25th June 2008

A rough sketch of a phacolith, denoted by the red area. A phacolith is an igneous intrusion in folded sedimentary rocks that is convex upwards and concave below.

Hutton's Section
  • Location: Holyrood Park, Edinburgh, UK
  • Date Taken (dd-mm-yy): 05-10-2008

Close up of the deformation caused by an igneous intrusion on the country rock. See this image for a differnt view.

Hutton's Section
  • Location: Holyrood Park, Edinburgh, UK
  • Date Taken (dd-mm-yy): 05-10-2008

View of Hutton's section in Holyrood park. The upper rocks are the igneous sill, the lower rocks are the sedimentary country rock.

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