Igneous Rocks pg 11-14
Formed when volcanic material erupts, cools and crystalizes on the earth's surface
What is extrusive igneous rocks?
What causes rocks to breakdown into smaller bits and pieces?
What is weathering?
Any process that affects the structure or composition of a rock in a solid state as a result of changes in temperature, heat, pressure or the addition of chemical fluids is called____________________.
What is metamorphism?
A___________ is a natural, solid mixture of minerals or grains.
What is a rock?
This word means "resulting from or produced from fire."
What is Igneous?
Magma that cools and crystalizes underground
What is intrusive igneous rock?
The weight from the layers of sediment forces out fluids and decreases the space between grains of rock in a process called________________.
What is compaction?
A permanent change in shape by bending or folding
What is plastic deformation?
A rock's ___________________ is one way that scientists classify rocks.
What is texture?
"Made from sediment" is the definition of what word?
What is sedimentary?
Rocks formed from gas-rich lava can have______left by the escaping gases.
What are holes?
Mineral cement holds the grains together in a process
What is cementation?
Metamorphic rocks are classified based on their__________.
What is texture?
Metamorphic rocks get their name also from the latin word morph, meaning this.
What is "form" or "to change"?
11. If you can see crystals that lock together in the rock it is a(n)____________igneous rock
What are intrusive rocks?
A ________ is a broken piece of a mineral or rock fragment.
What is a clast?
Metamorphic rocks that have parallel layers of flat and elongated minerals are called__________.
What are foliated rocks?
Sedimentary rocks get their name from this, the substance they are made of.
What is sediment?
Lighter colored igneous rocks contain more________.
What is silica?
Metamorphic rocks that have mineral grains with random, interlocking texture are called____________.
What are nonfoliated rocks?
Foliated metamorphic rocks get their name for the latin word folia meaning what?
What is leaf?