rocks Flashcards
sediments compact & cement together
Sedimentary
Gas bubbles may appear
Igneous
a rock that undergoes heat & pressure
Metamorphic
Cooled magma
Igneous
- Sediments pieces are often seen in the rock
* Can contain fossils
Sedimentary
cools INside the volcano and has LARGE crystals
*INtrusive igneous
cools outside the volcano and has smaller crystals or none at all
EXtrusive igneous
Ribbonlike layers
Metamorphic
small pieces of material that come from rocks & living things (sand, pebbles, clay)
Sediment
The process that gradually changes 1 rock to another
rock cycle
the breaking down of rocks into sediments (wind, water, waves)
Weathering
the taking away of sediments (wind, water, waves)
Erosion
melted rock
Magma
rock formed from magma cooling inside a volcano
intrusive
rock formed from lava cooling outside a volcano
extrusive