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Correlation of vertical magnetic anomalies with geological sections
2 other sections not shown
ANOMALIES AND INTERPRETATION anomalies for vertical anomalies with geological Askania balance system Barton Hill base black slate bodies Bureau of Mines caused changes component Horizontal component decrease deflections deposit dike of finite dip needle disseminated magnetite east eastern effect encountered feet gabbro gammas gangue geological sections Geophysical Prospect given in Figure greenstone outcrop hanging wall hanging-wall contact indicate instrument iron formation occurs isogamic maps Lake Superior level Sea level lines of force magnetic field magnetic force magnetic high magnetic horizons magnetic intensity magnetic material magnetic survey magnetic susceptibility magnitude map of isogams maximum Menominee mineralized zone Mineville nonmagnetic north pole north-south northern area peak planning mine-development pole portion present region schistose Sea level Sea second magnetite district shallow showed shown in Figure structure Surface Surface Surface syenite gneiss THEORETICAL ANOMALIES thickness tical tion variations vertical component vertical curve vertical magnetic anomalies