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Investigation Into Karst Of Southwest Missouri Using Electrical Resistivity, Donald Zachary Wormington
Investigation Into Karst Of Southwest Missouri Using Electrical Resistivity, Donald Zachary Wormington
MSU Graduate Theses
Nixa, Missouri is located on the southwestern edge of the Ozark Dome which has a karst geomorphological environment. Near surface geophysical methods can be used in determining the location and nature of karst features such as caves and sinkholes. Electrical resistivity methods have been shown to be among the most useful methods in deciphering sinkholes and caves. To investigate a known cave and related sinkholes and faults within Mississippian carbonates south of Nixa, Missouri, a series of two-dimensional electrical resistivity profiles were collected using the dipole-dipole and Schlumberger arrays. Terrain data was collected to include in modeling. The data were …
Core And Geophysical Analysis Of Biogenic Tufa Deposits In The Spring River In Northern Arkansas, Tyler W. Engelbart
Core And Geophysical Analysis Of Biogenic Tufa Deposits In The Spring River In Northern Arkansas, Tyler W. Engelbart
MSU Graduate Theses
The Spring River is fed by Mammoth Spring, a large spring on the Missouri-Arkansas border which produces roughly 240 million gallons of water per day (MGD). In this area there are deposits that appear as dams which cause water to pool upstream. Aerial analysis of the dams shows that there are approximately 100 of these features present in the first 45 miles downstream of Mammoth Spring. These deposits, known as tufa, are not uncommon in a karstic area of a spring fed river, but these are more frequent farther downriver than near the mouth of the spring. Preliminary mapping data …