Tag: volcanic

  • Volcanic Landforms: Extrusive & Intrusive Volcanic Landforms

    A phacolith is a lens-shaped mass of igneous rocks occupying the crest of an anticline or the Bottom of a syncline and being fed by a conduit from beneath. An example of a phacolith is Cordon Hill in Shropshire, England. Is a huge mass of igneous rocks, which after removal of overlying rocks forms a […]