Intrysive rock

Igneous rock

The therie of the plates is that they were all one and thay split upand they move about 30cm a year

200 million years ago

Bibliog .http://www.google.com/search?q=ROCKS&rls=com.microsoft:*&ie=UTF-8&oe=UTF-8&startIndex=&startPage=1.30/7/08

http://www.moorlandschool.co.uk/earth/

tectonic.htm 1/8/08 http://www.learner.org/interactives/

rockcycle/ 6/8/08

http://scign.jpl.nasa.gov/learn/plate1.htm 1/8/08