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Presentation transcript:

Interactive map

Earth’s Crust in Motion Section 5-1

Earthquake Shaking that results from rock movement below Earth’s surface

Stress

Stress Force that acts on Earth’s crust to change its shape or volume

3 kinds of stress Shearing One rock, Two directions.

3 kinds of stress Tension Stretches rock

3 kinds of stress Compression Squeezes rock

Let’s Review!!!

Fault Break in rock Caused by stress Slabs of crust slip past each other Usually occur at plate boundaries

3 kinds of FAULTS Shearing → Strike-slip faults Slip past sideways, no vertical motion “Transform boundary” at plate boundaries

Strike-Slip Fault

Strike-Slip Fault

Strike-Slip Fault

Strike-Slip Fault

3 kinds of FAULTS Tension → Normal faults At an angle Above fault = Hanging Wall (slips down↓↓) Below Fault = Footwall

Normal Fault

Normal Fault

Normal Fault

3 kinds of FAULTS Compression → Reverse faults At an angle Hanging Wall (slips up↑↑↑)

Reverse Fault

Reverse Fault

Let’s Review What kind of fault? What kind of stress?

Let’s Review What kind of fault? What kind of stress?

Let’s Review What kind of fault? What kind of stress?

Homework: Read 5-1 Complete 5-1 R/R & Enrich Due Friday