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Coring and Sampling
Newton Gradiometer
Electromagnetics
Electrical Methods
Seismic methods
Gravity
Magnetic Method
Time Domain Reflectrometry
Borehole seismic methods
Borehole GPR
Crosshole Resistivity
Borehole Logging
Fault & fracture mapping
Lava tube & mine locating
Karst features and voids
Tunneling
Permafrost mapping
Rock rippability
Depth to bedrock
Underground utility locating
Slope stability
Soil modulus determination
Offshore geohazards
Directional drilling
Muskeg mapping
Pavement evaluation
Roadway subsidence
Vibration monitoring
Shaft integrity testing
Foundation, pier scour
Bridge deck
Dredging
Depth of foundations
Contaminant plumes mapping
Landfill Delineation
Leak detection
Buried metals detecting
Contaminant Migration Delineation
New dam design
Existing dam evaluation
Locating conduits/fault zones
Locating river channels
Identifying aquifer
Salt water intrusion
Flow pattern, direction, rate
Gas pipeline route selection
Gas pipeline river crossing
Power plant electrical grounding
Power plant site selection
Windmill site selection
Frequency domain
Time domain
Resistivity Imaging
Induced Polarization Imaging
Self-potential (SP)
Mise-a-la-Messe
Liner Leak Detection
Induced Polarization (IP)
Seismic reflection
Seismic refraction
Acoustic pipe tracing
Electroseismic method
Surface wave
Vertical Seismic Profiling
X-Hole Seismic Profiling
X-Hole Seismic Tomography
Parallel seismic method
Vertical Radar Profiling
Single Borehole Survey
Cross-hole Survey
Welcome
Global Geophysics
provides a full range of marine, terrestrial and borehole geophysical services to the following communities:
Aggregates and quarry
Archaeological investigation
Civil engineering
Communication
Construction
Dam construction and safety
Geotechnical engineering
Groundwater exploration
Mining
Port and harbor development
Power and Energy
Transportation (highway and bridge)
Tunneling
Vessel and aircraft recovery
Waste management
Please
contact us
for a free consultation.
JLiu@GlobalGeophysics.com
1.425.890.4321
Redmond, WA, USA
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