THE GENERAL RELATIONS OF THE GEOLOGIST TO EXPLORATION AND
DEVELOPMENT 301
PARTLY EXPLORED VERSUS VIRGIN TERRITORIES 303
THE USE OF ALL AVAILABLE INFORMATION 304
COOPERATION IN EXPLORATION 305
ECONOMIC FACTORS IN EXPLORATION 306
GEOLOGIC FACTORS IN EXPLORATION 307
MINERAL PROVINCES AND EPOCHS 308
CLASSIFICATION OF MINERAL LANDS 309
OUTCROPS OF MINERAL DEPOSITS 311
Some illustrative cases 312
Topography and climate as aids in searching for mineral
outcrops 314
Size and depth of ore bodies as determined from outcrops 315
The use of placers in tracing mineral outcrops 316
The use of magnetic surveys in tracing mineral ledges 317
THE USE OF ELECTRICAL CONDUCTIVITY AND OTHER QUALITIES OF
ROCKS IN EXPLORATION 319
THE USE OF STRUCTURE AND METAMORPHISM IN EXPLORATION 319
DRILLING IN EXPLORATION 320
QUANTITATIVE ASPECTS OF GEOLOGIC EXPLORATION 321
ORIGIN OF MINERAL DEPOSITS AS A FACTOR IN EXPLORATION 322
LAKE SUPERIOR IRON ORE EXPLORATION AS AN ILLUSTRATION 323
DEVELOPMENT AND EXPLOITATION OF MINERAL DEPOSITS 326