FIELD: physics.
SUBSTANCE: detonation cord blasting is used to act on the investigated geologic structure. The length of the detonation cord is set equal to the wavelength reflected from the investigated layers of the earth's crust, while blowing the cord based on the best value of dynamic resolution of observation system.
EFFECT: high information value of separating rocks with similar physical properties, having a small formation thickness and minimal differences in density values by increasing the detected useful signal.
3 cl, 3 dwg
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