Earth and Space

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Earthquake Waves Fastest to slowest ?
- P Wave
- S Wave
- Love
- Rayleigh
Depth of earthquakes.
- Less than 70km Shallow-focus
- 70km to 300km Intermediate-focus
- greater than 300km Deep-focus
Difference between mineral and rock ?

Minerals are regular rocks are a conglomerate of minerals.
How are sedimentary rocks formed ?

Formed by the deposit of material in water more material on top to cement the grains Lithification.
How are Metamorphic rocks formed ?

recrystallisation of rock at high pressure.
How are igneous rocks formed ?

Formed by the solidification of magma (extrusive surface)(intrusive below ground large crystals as slower cooling)
What are the 4 earthquake waves ?
- P (primary) compressional body waves.
- S (secondary) Transverse body waves cannot travel through liquid.
- Love horizontal surface wave
- Rayleigh Horizontal and vertical surface wave.
What is the Gradient of a line ?

Gradient = Rise ÷ Run = Change in Y ÷ Change in X
x and y axis
- X is Independent variable.
- Y is Dependent variable.
What is the Moho

Boundary between the Crust and Mantle

Author

246146

Card Set

Earth and Space

Description

S104 Earth and Space book

Updated

2013-11-11T13:09:03Z

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