Exploration work type File name Format Airborne Exploration Surveys Aeromagnetics Radiometrics Electromagnetics Gravity Digital terrain modelling Ground Exploration Surveys Office Studies Literature search Database compilation Computer modelling Reprocessing of data General Research Report Preparation Remote Sensing Aerial photography LANDSAT SPOT MSS Radar Geological Mapping Regional Reconnaissance Prospect Underground Costean Ground Geophysics Radiometrics Magnetics Gravity Digital terrain modelling Electromagnetics SP/AP/EP IP AMT Resistivity Complex resistivity Seismic reflection Seismic refraction Well logging Geophysical interpretation Geochemical Surveys GR218_2016_GA_02_NTSG4_SOIL2016A.txt NTSG4 GR218_2016_GA_03_NTSG4_ROCK2016A.txt NTSG4 Drill sample Stream sediment Soil Rock chip Laterite Water Biogeochemistry Isotope Whole Rock Mineral analysis Drilling Diamond Reverse Circulation Rotary air blast Air-core Auger Groundwater Drilling All Drilling