Need help in understanding gravity anomalies

  • #1
I want to build a proper understanding about what is gravity anomaly, how it is used, and techniques to produce a gravity anomaly.
 

Answers and Replies

  • #2
D H
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Gravity anomalies are simply departures from the predictions of gravitational acceleration produced by a simple model. As for how to produce one: Simple. Dig a very, very big hole and fill it with iron. Or dig a very, very big hole and fill it with salt. Either way, voila! You have a gravitational anomaly. A simple model of Earth's gravity would not contain knowledge of this volume that contains material that is more dense (iron) or less dense (salt) than the surrounding rock.
 
  • #3
thank you sir
 

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