. Early geophysical papers of the Society of Exploration Geophysicists. Petroleum; Prospecting. 2 0. C. CLIFFORD, JR. During the past 6 years the study of micro-geomagnetics has pro- gressed beyond the limits of early credulity and, with the publica- tions of Heiland, Wilson, Barret, Lynton, Spraragen and others, many of these problems are nearing solution. Though other geo-. R3W R 2W VERTICAL MAGNETIC INTENSITY CONTOUR IHTSpxtl SO OAUUA 19 2 7 Of WL£S : * Fig. i.—Map showing vertical magnetic intensity, 1927. physical methods have rightfully supplanted magnetic methods through
. Early geophysical papers of the Society of Exploration Geophysicists. Petroleum; Prospecting. 2 0. C. CLIFFORD, JR. During the past 6 years the study of micro-geomagnetics has pro- gressed beyond the limits of early credulity and, with the publica- tions of Heiland, Wilson, Barret, Lynton, Spraragen and others, many of these problems are nearing solution. Though other geo-. R3W R 2W VERTICAL MAGNETIC INTENSITY CONTOUR IHTSpxtl SO OAUUA 19 2 7 Of WL£S : * Fig. i.—Map showing vertical magnetic intensity, 1927. physical methods have rightfully supplanted magnetic methods throughout most of the Mid-Continent and Gulf Coast areas, mag- netometers must still be considered of exploratory value for special- ized structural types and for rapid, inexpensive surveys of regional character. 330. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Society of Exploration Geophysicists. Tulsa
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