Intrusive Igneous Rocks
What is it made from?
Magma
What is it made from?
Lava
What are the first two steps?
Weathering and erosion
(breaking down) (carrying away)
What does it form from?
regional metamorphism
contact metamorphism
Where is it formed?
Underground
Where does it form?
Above ground
What is the third step?
Deposition
(dropping)
How does it form?
pressure
How does it form?
heat
How does it cool?
Slowly
How does it cool?
Quickly
What is the forth step?
Compaction
(squeezing)
with bands/stripes
one color
What type of grain does it have?
Coarse (large) grained
What type of grain does it have?
Fine (small) grained
What is the last step?
Cementation
(gluing)
Name 2 examples
slate and phyllite
Name 2 examples
Quartzite and Marble
What are two examples?
Granite and Gabbro
What are two examples?
Obsidian and Pumice
What are three examples?
Conglomerate, Coal, and Limestone
(clastic rock) (organic rock) (chemical rock)