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SAGE 2008 Vibroseis Videos. Vibroseis courtesy of ION Geophysical. Larry Braile braile@purdue.edu http://web.ics.purdue/~braile (videos 1, 14, 11, 13, 9; June 30, 2008) . Exploring Planet Earth. SAGE 2008 Budaghers Fault Profile. Vibe Controller (Pelton) – “Triggering the Sweep”.

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## Exploring Planet Earth

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**SAGE 2008**Vibroseis Videos Vibroseis courtesy of ION Geophysical Larry Braile braile@purdue.edu http://web.ics.purdue/~braile (videos 1, 14, 11, 13, 9; June 30, 2008) Exploring Planet Earth** Watch here**and here Time (10 s) The “Pad” and the Sweep (schematic) 10 Hz 80 Hz**Figure 1. Vibroseis Schematic**After Lindseth, 1968**Figure 1. Vibroseis Schematic – Cross Correlation with**pilot After Lindseth, 1968**Figure 1. Vibroseis Schematic – Cross Correlation, 1st**Reflection Maximum positive correlation at this position After Lindseth, 1968**Figure 1. Vibroseis Schematic – Cross Correlation, 2nd**Reflection Maximum negative correlation at this position After Lindseth, 1968**Figure 1. Vibroseis Schematic – Cross Correlation, 3rd**Reflection Maximum positive correlation at this position After Lindseth, 1968

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