Gravity Surveying

What does gravity surveying measure? (a)  

• Changes in temperature
• Changes in electromagnetic fields
• Changes in rock density
• Changes in seismic activity

What does gravity surveying provide to geologists?

• Information about atmospheric conditions

• A map of underground water sources

• A picture of the subsurface geology

• Data on surface erosion patterns

How does gravity surveying work? (a)  

• By measuring magnetic fields
• By detecting seismic waves
• By analyzing gravitational forces
• By examining rock formations

What equipment is used in gravity surveying? (a)  

• Magnetometer
• Seismograph
• Gravitometer
• Ground-penetrating radar

How does interpretation of gravity surveying help geologists?

• Identifying climate change patterns

• Determining fault lines

• Locating potential mineral resources

• Mapping surface vegetation distribution