||Detection of Subsurface Stream Channels in Carbonate Rocks by Geoelectrical Methods.
Frohlic, Reinhard K. ;
Smit, Gregory P. ;
||Missouri Univ., Rolla. Dept. of Geology and Geophysics.
||DI-14-31-0001-3825; OWRR-A-0650M0; 05541,; A-065-MO(1)
Geophysical prospecting ;
Ground water ;
Logan Creek ;
Electrical prospecting ;
Gravimetric prospecting ;
Seismic refraction method ;
Subsurface structures ;
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The distinction of partially dissolved from compact carbonate rocks and from the alluvial overburden is a major problem in geological engineering and water resources. Geoelectrical depth soundings after Schlumberger were applied over karst terraines in three locations of the Ozarks in Missouri. The main part of the investigation was directed towards solving the underground flow and disappearance of Logan Creek near Ellington, Missouri. Combined geoelectrical and gravity surveys under consideration of some near surface seismic refractions indicate zones of increased depth and degree of dissolution at the Ellington Fault. (Modified author abstract)