Tertiary igneous rocks

Unit: IG 5

image TI-02

volcanic breccia
full-size image

Volcanic breccia: a poorly-sorted pyroclastic rock consisting of fragments of a number of different lithologies.

  • Look at the shape of this unit on the map. What is its likely origin?

Scale: coin is 20 mm in diameter.

Grid reference: 965 371

Back To: [ Igneous Rocks ]

This page is maintained by Roger Suthren

Last Modified: 23 October, 2008