Gravity Prospecting

CONTENTS
Part One. Theoretical Principles of Gravity Procedure
Basic Concepts of Gravity Measurements
The Normal Gravitational Field and the Figure of the Earth
Reduction of Gravity Values
Change of Gravity with Time. Tides
Part Two. Measurement of Gravity
Principal Methods of Determining Gravity
Pendulum Apparatus
Gravimeters
Procedure for Making Observations with Gravimeters
Torsion Balances and Gradiometers
Gravity Measurement at Sea
Part Three. Techniques of Gravity Surveying
The World Gravity Network
Procedure of Gravity Surveying and the Processing of Survey Data
Part Four. Geological Interpretation of Gravity Anomalies
Theory of Isostasy and Structure of the Earth's Crust
Geological Interpretation of Gravitational Fields
Delineation of Gravitational Fields
Methods of Solving Direct and Reverse Problems of Gravity Prospecting