Earths Interior Flashcards
Earths Interior
1
Q
How to measure earths interior?
A
-Geophysics
-Remnants form the interior
-Lab experiments
-Meteorite comparisons
2
Q
Primary Waves (P)
A
Compressional waves
Vibration is direction of propagation
3
Q
Secondary waves (S)
A
Shear waves
Vibration normal to direction of propagation
Cannot travel through liquid
4
Q
Interior of the earth - Zones
A
-crust
-mantle
-core
5
Q
Geoid
A
Surface of equal gravity (similar to sea surface)
6
Q
Units of lithosphere that move as a
A
unit
7
Q
Latitude change
Correction for
A
change in radius
8
Q
Correction for distance from measurement to geoid
A
Free-air Anomaly
9
Q
Correction for mass from measurement to geoid
A
Bouger Anomaly
