- Geophysical consulting services, preliminary inspection of the target area and geophysical survey design;
- realization of ground, marine and airborne geophysical surveys by using different mobile platforms;
- spectral anomaly detection, data interpretation and visualization after their analysis by using full spectral (e.g. NASVD, FSA-NNLS, PCA) methods, compliant with IAEA standards on detector calibration, data collection and processing;
- monitoring of natural radioelements (238U, 232Th, and 40K) supported by geological mapping with the aim of identifying distinctive lithological characteristics;
- search for uranium mines through direct identification of mineralized veins and boulders;
- airborne γ radiation surveys for the radiometric characterization of abandoned uranium mines;
- monitoring of natural radioelements (238U, 232Th, and 40K) supported by geological mapping with the aim of locating intrusion-related mineral deposits and exploring for gold and mineral sands reservoirs;
- location of porphyry environments for geothermal exploration through the identification of potassium alteration zones;
- mineral exploration of rare earth elements associated with thorium enrichments;
- hydrocarbon exploration by studying potassic/uranium ratio alteration;
- contamination mapping and detection of radioactive wastes (eg. 131I, 137Cs and 60Co);
- detailed geophysics reports on the survey area, instrument checks and calibrations, quality control and data processing techniques;
- production of thematic maps of the distribution of natural radionuclides (238U and 232Th chains, and 40K) with their uncertainties estimation;
- production of thematic maps of the outdoor effective dose rate (in μSv/yr) from natural and artificial radionuclides measured in airborne surveys;
- γ and β spectroscopy measurements for monitoring artificial (137Cs, 134Cs, 131I, 60Co, 90Sr) and natural (238U and 232Th chains, and 40K) radionuclides in poorly accessible areas by means of land drones;
- radioactive plume sampling for homeland security through the detection of particles emitting α, β and γ radiation by means of detectors mounted on aerial drones;
- blind detection of orphan sources (e.g. 137Cs, 134Cs, 131I, 60Co, 90Sr) through γ and β radiation measurements performed with detectors mounted on aerial drones;
- inspections of ports, harbours and transportation hubs, and border controls through γ and β radiation measurements performed with detectors mounted on aerial and water drones;
- background radiation surveys and mapping of specific areas (e.g. landfills, scrap yards, housing developments, construction sites, nuclear power plants, stockpile areas) by using γ airborne and carborne detectors;
- radiometric spectral analysis and geostatistical modelling using commercial software (e.g. Praga, Geosoft, ArcGIS);
- aerial drones strip surveys of pipelines for detection of NORMs produced by oil and gas industries;
- multisensor geophysical surveys using airborne platforms transporting γ-ray spectrometers and visible-spectrum, hyperspectral and thermographic cameras;
- multiparametric data analysis and correlations;
- remote detection of maliciously introduced radioactive sources in vehicles and buildings through aerial, land and water drones aimed at avoiding the operator’s exposure to ionizing radiation;
- emergency response after nuclear events with detection of α, β and γ radiation together with hazard assessment;
- automatic radioactivity surveys in dangerous contaminated areas performed by means of unmanned aerial or ground robotic vehicles;
- simulation of detectors response for different configurations, environmental conditions and transporting vehicles by using Monte Carlo methods;
- modelling of radionuclides diffusion in space and time, together with their transfer processes, in the event of dispersion of NORMs in the environment (e.g. accumulated in coal combustion residuals or red muds).
More info: radio@geoexplorer.cgtgroup.org
