. Early geophysical papers of the Society of Exploration Geophysicists. Petroleum; Prospecting. NORMAL GEOTHERMAL GRADIENT 79 c"c'c) rise in passing over the anticlines. Expressed in terms of gradi- ents, this is the equivalent of saying that the gradients are a maxi- mum, or the reciprocal gradients are a minimum, along the crests of the Fig. i.—Cross section of typical anticline. Variations in the vertical are illustrated by the concave and convex types of depth-temperature curves {AA' and BB') shown in Figure 2. Each of the lines cc and ee represents the least square adjus
. Early geophysical papers of the Society of Exploration Geophysicists. Petroleum; Prospecting. NORMAL GEOTHERMAL GRADIENT 79 c"c'c) rise in passing over the anticlines. Expressed in terms of gradi- ents, this is the equivalent of saying that the gradients are a maxi- mum, or the reciprocal gradients are a minimum, along the crests of the Fig. i.—Cross section of typical anticline. Variations in the vertical are illustrated by the concave and convex types of depth-temperature curves {AA' and BB') shown in Figure 2. Each of the lines cc and ee represents the least square adjustment of a straight line through all of the observed points from A-A' Shumway No. 27, Gypsy Oil Co. S/\ Dorado, Kansas 3-3' , Hope Natural Gas Co. Po/CfSno, West Virginia Total Depth^A^OOFt. 4^. 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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