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Rocks - Coggle Diagram
Rocks
1.Igneous rocks : form when molten rock cools and solidifies :
A) extrusive
formed from lava
e.g.: Basalt: hard, dark coloured rocks
Badacsony
B) intrusive
solidifies under the surface of the Earth
e.g.: diorite : th intrusive pair of andesite
Tatra Mts.-Slovakia
Sedimentary rocks :
debris -> deposited in sea-> compectad-> rock
A) Terraneous
from pieces of broken rock
e.g.: sandstone
B) Organic
formed from fossils
e.g.: limestone
Bakony
C) Chemical
went through chemical processes
e.g.: salt
Parajd -Romania
3) Metamorphic
high pressure or temperature causesthe rocks to change either in texture or crystals.
e.g.: marble -> originates from limestone
Carrara -Italy
e.g.: diamond-> form of carbon
South-Afrika
e.g.: graphite
-> form of carbon
