Principles of Field and Mining Geology |
Contents
RECOGNITION OF GEOLOGIC PHENOMENA | 1 |
GENERAL FIELDSURVEY PRACTICES AND PRO | 179 |
SPECIAL FIELD TECHNIQUES OF MINING GEOLOGY | 331 |
Copyright | |
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alidade analysis angle anticlinal assay average beds blocks breccia Brunton cent chalcocite claim clay clinometer compass contour copper core correlations country rock Courtesy cross-section depth desirable determined developed direction drift economic elevation epigenetic excavations factors fault feet field fracture cleavage geologic geologic structures geologist geophysical gossan hole horizontal distance igneous rocks inch inclined instrument interpretation limestone longitudinal section magnetic magnetic declination magnetite masses measured ment metal metalliferous metamorphic method Milltown mineral mineral deposits mining geology noted observed obtained occurrences operation Pegmatites placer plan map platted practice procedure prospecting pyrite quartz quartzite recorded relatively require result rock materials sample satisfactory scale sedimentary shaft sight slope distance sludge sphalerite stadia station stope strata strike and dip Structural Geology surface survey synclinal tion tonnage topographic traverse true types underground unit usually vein structure vertical distance width zone