9.6 Flashcards
(10 cards)
Igneous rocks
Rocks that are formed from remains from lava
Extrusive rocks
Igneous rocks that form when land cools
Pumice
Rocks that form when rocks cool in the air
Scoria
Dark igneous rock formed by lava
Abrasive
Property of material or substance that easily Strache
Basalt
Dark igneous rock that is formed by cool air
Obsidian
Glassy rocks that break into pieces of shell
Intrusive rock
Magma cools under the earths surface these rocks form
Batholiths
Rocks mass the is bigger then 100 kilometres
Granite
An igneous rock with different coloured crystals