Rocks Flashcards
Minerals
A naturally occurring substance that makes rocks
Lithosphere
the weakened outer part of the earths crust and upper mantle.
Magma
A liquid hot substance below the earths crust
Sediments
A substance that sinks to the bottom of a liquid
Native element
A naturally occurring substance in the earths crust e.g gold
igneous rocks
Magma that settles to a rock after cooled
extrusive rocks
Is the form of igneous rock but when it is first dyed as lava
pumice
Rock that’s been formed from dried lava
scoria
Igneous rock created by cold lava
abrasive
A substance that is easily scratched by another
basalt
Darker igneous rock that is formed from cold hot lava with wholes on it from old volcanic gasses homes
obsidian
A gasses black rock that breaks into small shell like piece
batholiths
100 kilometre intrusive rock
intrusive rocks
Cold magma below the earths surface
Granite
A large rock with visible coloured crystals that form underneath the earths surface