Factors Contributing To Karst Development In Southwestern Missouri, USA


It is generally known that karst topographies are formed due to dissolution of carbonate or evaporite bedrocks. In Missouri, USA, the subsurface is typically underlain by carbonate bedrock (limestone) that makes it amenable to karst processes, leading to features such as sinkholes. This study explored other factors or conditions that could necessitate development of karst terrain. A site in the vicinity of Brookline located within southwestern Missouri was studied for potential factors that could trigger development of karst features. Preliminary assessments showed potential development of sinkholes. Historical images of the area were obtained and analyzed. Three-dimensional (3-D) surface terrain models were also generated to determine surface flow direction. Additionally, electrical resistivity tomography (ERT) data were collected and verified with borehole control to determine the characteristics of the bedrock. ERT data showed pervasively fractured and anomalously moist bedrock that offers suitable conditions for karst processes. Anthropogenic activities were observed as major drivers for the development of the karst features.


Geosciences and Geological and Petroleum Engineering

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Article - Conference proceedings

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Publication Date

01 Jan 2017