Scientific Toolkit
Geophysical
Methodologies
Seismic
MASW · P-Wave Refraction · VS30
Principle
Acoustic impedance contrasts at lithological boundaries
Reveals
Layering, site competence, load-bearing parameters
ERI/IP
Electrical Resistivity · Induced Polarisation
Principle
Ionic movement and charge storage in pore fluids
Reveals
Lithology, moisture, leachate, sulfide mineralisation
Magnetics
Ground Magnetic Survey
Principle
Naturally occurring magnetic property variations
Reveals
Rock types, buried metallic objects, structural features
FDEM/TEM
Frequency & Time Domain Electromagnetics
Principle
Subsurface eddy current induction
Reveals
Highly conductive bodies, faults, contamination plumes
GPR
Ground Penetrating Radar
Principle
High-frequency radar reflections from dielectric contrasts
Reveals
Utilities, voids, concrete delamination, buried structures
Magnetotellurics
Mineralisation · Lithology · Crustal Structures
Principle
Resistivity profiling of deep structures
Reveals
Detect subsurface mineral deposits, alteration zones & geological structures
Our Methodology
Phased Approach to
Site Characterisation
A systematic four-phase framework that moves from broad reconnaissance to quantitative analysis — delivering maximum insight with minimum site disruption.
01
Desk Study
Targeting Strategy
- Review of existing records, maps and reports
- Local and structural geology characterisation
- Identification of target zones, contact zones and faults
- Scoping of appropriate geophysical methods
02
Site Reconnaissance
Survey Planning
- Survey design and profile orientation
- GPS coordinate planning — start, stop and line spacing
- Confirmation of client objectives and investigation area
- Logistics, access and safety assessment
03
Field Survey
Geophysical Investigation
- First-pass data acquisition across all survey profiles
- Multi-method deployment — EM, ERI, GPR, MAG, seismic
- Anomaly detection, unit mapping and structural identification
- On-site QC and real-time data review
04
Reporting
Processing & Analysis
- Inversion, modelling and data integration
- Anomaly prioritisation and interpretation
- Drilling targets, remediation or design recommendations
- Comprehensive geophysical survey report