Intrusive
Rock
Cementation
Igneous
Sedimentary
Extrusive
Rocks that form below the surface
When mineral grains line up in
parallel layers in metamorphic rock
A mixture of minerals, rock fragments, volcanic
When magma reaches the Earth’s
glass, organic matter or other natural materials
surface and flows from volcanoes
When minerals are deposited between the
Loose materials such as rock fragments, mineral
pieces of sediment and act like glue
grains, and bits of shell that have been moved
by wind, water, ice or gravity.
When molten rock material called magma
Rocks that have changed because of
cools and hardens it becomes …
heat and pressure.
Rock that forms when sediments are pressed
When layering does not occur in
and cemented together
metamorphic rock
Igneous rocks that form as lava cools at
When small sediments stick together
the Earth’s surface
and form solid rock
Foliated
Lava
Sediments
Metamorphic
Non-foliated
Compaction