305-pp11 - UNIVERSITY OF SOUTH ALABAMA Last Time Fence Post...

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1 GY 305: Geophysics GY 305: Geophysics Lecture 11: Lecture 11: Introduction to Seismology Introduction to Seismology UNIVERSITY OF SOUTH ALABAMA Last Time Last Time Fence Post Diagrams •What they are •Examples of fence post diagrams •How to make them Fence Post Diagram: A 3-dimensional rendering of the geology over a regional area. Fence Post Diagrams Fence Post Diagrams •they are maps and therefore follow mapping rules •can be done on surface exposures or subsurface strata •detail needs to be minimalized due to reduced scale •orientation is absolutely critical Fence Post Fence Post Diagrams Diagrams Sedimentology and sedimentary facies Introduction to Seismology Seismology (resolution versus penetration) Techniques (marine versus terrestrial) Today Today Seismology Seismology (incl. seismic stratigraphy ) is a means by which to resolve the subsurface stratigraphy of the Earth (sedimentary and igneous components). ht p:/ geocyber-tech.com/Seismic%20Interp. html
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2 Seismology Seismology (incl. seismic stratigraphy ) is a means by which to resolve the subsurface stratigraphy of the Earth (sedimentary and igneous components). It is favored by petroleum companies because of the speed of analysis, extent of coverage and relatively cheap cost. Seismology ht p:/ www.oceansatlas.com/unatlas/-ATLAS-/IMAGES/HIGH/i156-1.jpg Seismology uses acoustic waves (sound or “shock” waves) to resolve subsurface
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This note was uploaded on 02/05/2012 for the course GLY 305 taught by Professor Staff during the Fall '10 term at S. Alabama.

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305-pp11 - UNIVERSITY OF SOUTH ALABAMA Last Time Fence Post...

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