Difference between revisions of "Dictionary:Apparent dip"

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<b>1</b>. The angle that an emerging seismic wavefront makes with the surface; the angle whose tangent is the ratio of the vertical-to-horizontal components of displacement produced by a P-wavefront. Apparent dip can be related to the true dip of the reflector if the cross-dip and velocity distribution are known. Compare [[Dictionary:dip_moveout|''dip moveout'']] and [[Dictionary:apparent_velocity|''apparent velocity'']]. <b>2</b>. The angle from horizontal for a refracting horizon determined from the updip and downdip velocities of head waves; see Figure [[Dictionary:Fig_R-10|R-10]]. <b>3</b>. The dip of a rock layer exposed in a section that is not at a right angle to the strike.
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<b>1</b>. The angle that an emerging seismic wavefront makes with the surface; the angle whose tangent is the ratio of the vertical-to-horizontal components of displacement produced by a P-wavefront. Apparent dip can be related to the true dip of the reflector if the cross-dip and velocity distribution are known. Compare [[Special:MyLanguage/Dictionary:dip_moveout|''dip moveout'']] and [[Special:MyLanguage/Dictionary:apparent_velocity|''apparent velocity'']]. <b>2</b>. The angle from horizontal for a refracting horizon determined from the updip and downdip velocities of head waves; see Figure [[Special:MyLanguage/Dictionary:Fig_R-10|R-10]]. <b>3</b>. The dip of a rock layer exposed in a section that is not at a right angle to the strike.
 
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Revision as of 12:45, 11 March 2018

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1. The angle that an emerging seismic wavefront makes with the surface; the angle whose tangent is the ratio of the vertical-to-horizontal components of displacement produced by a P-wavefront. Apparent dip can be related to the true dip of the reflector if the cross-dip and velocity distribution are known. Compare dip moveout and apparent velocity. 2. The angle from horizontal for a refracting horizon determined from the updip and downdip velocities of head waves; see Figure R-10. 3. The dip of a rock layer exposed in a section that is not at a right angle to the strike.