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Geologic Problems
| | -Depth to Bedrock
| | -Elastic Properties
| | -Leaky Dam/Reservoir
| | -UST/Drum Location
| | -Lithology
| | -Stratigraphy
| | -Density
| | -Temperature
| | -Permeability
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| | -Rippability
| | -Faults
| | -Cavities/Voids
| | -Massive Sulfides
| | -Disseminated Sulfides
| | -Lost Utilities
| | -Gravel Deposit Quantity
| | -Gravel Deposit Quality
| | -Contamination Plume
| | -Fly Ash Locus
| | -Ground Motion Analysis
| | -Seismic Hazard Analysis
| | -Unexploded Ordinance
| | -Old Mine Workings
| | -Abandoned Well Casings
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Geophysical Methods

What Is Geophysics?

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GEOLOGIC QUESTIONS ABOUT:

DEPTH TO BEDROCK

How far from the surface is a rock layer? Where is a postulated fault? What are the subsurface elastic properties of a zone or layer? Where is the water table? Where is a channel cutting into the bedrock? Why don't my borehole picks of top of rock make sense? Where is the location of a weak zone, a soft layer or fault gouge zone?

 

Geophysical Solutions:

GOOD METHODS: Electromagnetics for geologic structure (M-4) -or- DC Resistivity (M-3)

BEST METHOD: Seismic Refraction (M-1)

Honorable Mention: Gravity (M-6)

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