Seismic prospecting based on the travel time of shock waves generated at the earth's surface and moving nearly parallel to the bedding on a long base line, providing information on underground geological structure on a larger scale.
Origin
1920s.
Definition of refraction shooting in US English:
refraction shooting
noun
Geology
Seismic prospecting based on the travel time of shock waves generated at the earth's surface and moving nearly parallel to the bedding on a long base line, providing information on underground geological structure on a larger scale.