Subject
Aerial surveys
1
Aeromagnetic maps
1
Airborne methods
4
Basalts
1
Basins
1
Bedrock
5
Cape Breton Coalfield, N. S.
2
Cape Breton Coalfields, N. S.
1
Coal fields
1
Coal preparation
1
Coastlines
1
Collecting
1
Copper ores
1
Correlation
1
Desulferization
1
Drilling
1
Economic geology
1
Electromagnetic waves
2
Gamma ray spectrometry
2
Geochemical maps
2
Geologic maps
7
Geology
4
Geology, Structural
1
Geophysical maps
1
Geophysical profiles
5
Geophysical surveys
4
Horton Group
1
Jubliee Deposit
2
Lead ores
2
Magnetic Survey maps
2
Mine development
3
Mineral deposits
1
Mineral occurrences
2
Mineralization
2
Minerals
1
Radiometric methods
2
Rocks
1
Sedimentary ores
1
Sedimentation
1
Stratigraphy
3
Sulphur
1
Tectonics
1
Topography
1
Windsor Group
2
Zinc
2
Zinc ores
2
coal waste dump reclamation
3
exploration activities
3