Worksheet: Subduction zones II
From now on copy and pasted work will not be accepted, summarise your research into your own
words. You can either email me the completed worksheet or put your answers in your book.
1) Describe the characteristics of igneous rocks and volcanic activity associated with
subduction zones
a) Identify the main types of igneous rocks found along subduction zones.
b) Describe the characteristics of igneous rocks found along subduction zones.
c) Identify and describe the nature of volcanic activity occurring along subduction
zones.
2) Explain how granites and andesites are formed
a) Describe the characteristics of andesite and granite.
b) Outline the tectonic setting in which andesite and granite are formed.
c) Describe the role of water in the formation of andesite.
d) Explain how granite is formed.