True or False:
Extrusive igneous rock is formed when lava hardens very slowly, making large crystals in the rock.
the type of metamorphism described below:
when magma moves into and touches existing rock, changing it chemically
Fill in the blanks below:
1. Igneous rocks - ______ and _______ of magma
2. Sed. rocks - _______ and _______ weathered material.
3. Met. rocks - _______ and _______ affecting existing rocks.
What is
1. Cooling and crystallization
2. Compaction and cementation
3. Heat and pressure
What are
1. Naturally Occurring
2. Inorganic
3. Solid
4. Orderly crystal structure
5. Definite chemical composition
Determine the name of the rock based on the hints below:
a. Large crystals (coarse-grained)
b. Made of light-colored minerals (Felsic)
Determine the name of the rock based on the hints below:
a. part of the clastic group
b. large fragments that are ROUNDED
Determine the name of the rock based on the hints below:
a. softer than fingernail
b. greasy feel