Ecosse - Buachaille Etive Mor
Rocks


Parts of presentation:
1. What is rock
2. Classes of rocks
3. The Rock cycle

1. What is rock
Rock is a combination of minerals that make up the Earth's crust.
Mineral is a natural, solid, inorganic material made up of elements.

2. Classes of rocks
1 igneous rocks
2 sedimentary rocks
3 metamorphic rock
sedimentry igneous2 metamorphic

2.1 Igneous rocks
•formed from hot melted magma
•      intrusive rocks - granite
•extrusive rocks - basalt
granite3 basalt2 venus4_mag_big

2.2 Sedimentary rocks
•particles of other rocks - sandstone
•     remains of organisms – limestone
•dissolved minerals – rock salt
graysandstone8 svrchní koněpruské vápence halite5

2.3 Metamorphic rocks
•changed from one kind of rock to another kind
•from igneous rocks – gneiss
•     from sedimentary rocks – marble
whitemarble2 gneiss5

3. The Rock cycle
All kind of rocks – igneous, sedimentary and metamorphic, are part of a huge recycling process –
ROCK CYCLE.
Any class of rock can be changed into any other class of rock.




Thank you for your attention