1
Q
describe basalt rocks
A
they are extrusive rocks
they cool quickly
forming small crystals
found in giants causeway
black to dark grey
used as tiles
2
Q
describe granite
A
intrusive rock cooled slowly
Leinster batholith
used for construction
3
Q
describe limestone
A
organically formed
(dead plants and animals)
permeable
calcium carbonate cementing agent
4
Q
describe sandstone
A
inorganic sedimentary rock
formed from other broken down rocks
5
Q
A
