| 11. | Between October and December 1999, HCRH began using seismic reflection blasting to map possible oil reserves.
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| 12. | The format was originally developed in 1973 to store single-line seismic reflection digital data on magnetic tapes.
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| 13. | Evidence also exists for a deep subglacial trench beneath the glacial outlet, identified through seismic reflection methods.
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| 14. | The expedition also carried out the first seismic reflection measurements of the sediment thickness, using sink bombs.
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| 15. | Proprietary seismic reflection data were also scrutinized in an attempt to establish a source for the sequence.
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| 16. | After the seismic wavelet is estimated, it is used to estimate seismic reflection coefficients in the seismic inversion.
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| 17. | The seismic reflection profiles, created by measuring aspects of sound from small explosions, are sonograms of the Earth.
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| 18. | Seismic reflection and refraction surveys ( 1960-1961 ) revealed that the C structure has a pronounced basement feature.
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| 19. | Marine seismic reflection surveys show it striking northwest across the eastern end of the Strait of Juan de Fuca.
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| 20. | The seismic reflection results have been used to refine the interpretations of deep crustal structures of the Fennoscandian Shield.
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