Rock Groups
What are the 3 rock groups?
Igneous, Sedimentary Metamorphic
Igneous rocks are formed as a result of ______ _______.
Volcanic activity
Name two types of sedimentary rock
Limestone, Sandstone
What is the outside layer of the Earth called ?
The crust
True or false, rocks are made up of different minerals?
True
Name two types of igneous rock, that we studied?
Granite, Basalt
Which limestone rock is a reddish/brown colour
Sandstone
What is the name of plates that collide ?
Destructive plates
What is the most common rock in Ireland?
Limestone
What is an extrusive igneous rock?
Basalt
Which sedimentary rock was formed 350 million years ago?
Limestone
What do destructive plates cause? 3 things
Volcanoes, fold mountains, earthquakes
The earths crust is made up of ______% igneous rock, fill in the blank
95%
Name an igneous rock with large crystals
Granite
What particles is limestone formed by and what particles is sandstone formed by?
Limestone= Shells and remains of skeletons of sea creatures
Sandstone= Sand
What period of folding were the youngest fold mountains created?
Alpine
What is the latin word for fire?
Ignis
Why does granite have large crystals?
It cooled slowly beneath the surface so crystals had time to get bigger
Where is Sandstone found in Ireland, give the name of the place and the county it's in?
MacGuillycuddy's Reeks in Co. Kerry
What is the name of the landmass when all the continents were joined together?
Pangaea