L13_WavesAndRaysII-page9

L13_WavesAndRaysII-page9 - Cheap Repeatable once plate is...

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Applied Geophysics – Waves and rays - II Typical rock velocity ranges Using velocity alone to determine rock type is problematic to impossible. Applied Geophysics – Waves and rays - II Seismic sources Consider Energy input Repeatability Cost Convenience Sledge hammer
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Unformatted text preview: Cheap Repeatable once plate is stable (and with training!) Targets 15-50m Weight drops Cheap Repeatable automated Targets > 50m Rifles and guns Cheap Repeatable fire into water filled hole Shallow targets 0-50m...
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