Transcript Inside Earth Chapter 5 Review

Inside Earth
Chapter 5 Review
Rocks
Section 1
Classifying Rocks
• What doe geologists observe when
studying rocks?
• Texture
• Grains
• Grain size
• Shape
• Pattern
• No visible grain
Section 1
Continued
• What is used to see the mineral composition of rock?
• The 3 major groups of rock:
• Igneous
• Sedimentary
• metamorphic
Section 2
Igneous Rocks
• Characteristics of igneous rock
• Uses
• Why is this type used in building?
• Classifications
• Origin
• Extrusive
• intrusive
• Texture
• Porphyritic texture
• How these form
• Mineral composition
Section 3
Sedimentary Rocks
• Sediment
• Erosion
• Deposition
• What process changes sediment to sed rock?
• Fossils?
• Compaction
• cementation
Types of Sedimentary Rock
• Clastic
• Shale
• Sandstone
• Conglomerate & breccia
• Organic
• Coal
• limestone
• Chemical
• Chemical rock
Section 4
Rocks From Reefs
• Living coral
• Coral reef
• Forms in what conditions
• How coral reef forms
• Forms only in what conditions?
• Process?
• Limestone deposits from coral reefs
• Absorbs what element?
Atolls
Section 5
Metamorphic Rocks
• How metamorphic rock forms
• How they are classified
• Foliated
Section 6
The Rock Cycle
• Rock cycle
• Forces in the cycle
• The rock cycle & plate techtonics
• Subducting oceanic plates
• Colliding continental plates