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		
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		
	GDC1700025_2025_C_02_DrillCollars.txt	NTSL4
	GDC1700025_2025_C_03_DownholeSurveys.txt	NTDS4
	GDC1700025_2025_C_04_DownholeGeochem.txt	NTDG4
	GDC1700025_2025_C_05_DownholeGeochem_QAQC.txt	NTQG4
	GDC1700025_2025_C_06_Lithologs.txt	NTDL4
	GDC1700025_2025_C_07_LoggingCodes.txt	NTDL4
	GDC1700025_2025_C_08_Structure.txt	NTDL4
	GDC1700025_2025_C_09_DownholeVelocity.txt	NTDL4