Sedimentary Rock
What type of rock is fossil-carrying?
Sedimentary
Where and how does metamorphic rock form?
Underground and is made by heat and pressure.
What happens to lava to form igneous rock?
Hot lava cools.
What are the three groups of rocks?
- Igneous
- Sedimentary
- Metamorphic
What is a mineral?
- naturally occuring
- solid
- inorganic
- crystal structure
- definite chemical composition
What processes turn sediment into sedimentary rock?
Erosion, weathering, deposition, sedimentation
How does sedimentary rock form?
Dead animal parts mashed together over time.
What is the most abundant type of rock?
Igneous
What is a rock?
What are the properties of a mineral?
- luster
- color
- streak
- fluorescence
- hardness
- cleavage
- facture
- density- crystal systems
What type of rock makes up the Washington monument?
Marble, limestone
Where does intrusive igneous rock form?
Below ground from magma.
What is the process through which rocks change?
The Rock Cycle.
What does Fluorescence mean?
glow under a UV light
What does ignis mean?
Latin for Fire.
- Erosion
- Weathering
- Compaction
- Melting
- Gravity
- Cooling
It equals D = M/V. Each mineral has its own.
What is grain size?
They can be coarse, fine-grained, or have no visible grains.
How do geologists classify a rock?
- Mineral composition
- color
- texture
Is color a reliable way to identify minerals?
No. It’s not reliable because minerals can change color.