metamorphic
A schist
metamorphic rock with thin, irregular bands of minerals
whats a sedimentary rock
A rock formed from other rocks sediments and minerals
what is the factor that affect texture of igneous
post crystallisation changes
what are the three main kinda of rocks
igneous,sedimentary,and metamorphic
whats a sand stone
A rock of origin of quartzite
Three characteristics of sedimentary rocks
can have layers,do not have interlocking crystals,and may contain fossils
give an example of a igneous rock
crystallisation,metamorphic ,and sedimentary
what two things increase as you go deeper into the center of the earth
what
heat and pressure
what a slate is
metamorphic rock that is gray,red, or green and splits,made up of clay
Whats a clastic sedimentary rock
A clastic sedimentary rock is made of broken fragments of preexisting rock
how big are the crystal sizes in glassy igneous rocks
no crystals
how do igneous rock form
when melted rock cools
A gniess
metamorphic rock that began as granite
an example of a clastic sedimentary rock
sandstone,siltstone,shale,conglomerate,breccia
how large are the crystals in fine igneous rocks
<1mm
where is intrusive igneous rock formed
below the earth's surface
what a marble rock is
A metamorphic rock made of calcite grains
A chemical sedimentary rock
A chemical sedimentary rock is formed when minerals dissolved in water crystallise and precipitate as the water evaporates
how large are the crystals in medium igneous rocks
1-5 mm
where is extrusive igneous rock formed
on earth's crust