Articles: Geology The general geology of Marion County, gently dipping sedimentary rocks overlaid by glacial deposits, is similar to many other areas of the Midwest. The details of the local geology, however,… Read More »Geology Topography The ground surface of Marion County and the materials that underlie it are the results of the last glaciation of central Indiana. Marion County is part of the physiographic province,… Read More »Topography
Geology The general geology of Marion County, gently dipping sedimentary rocks overlaid by glacial deposits, is similar to many other areas of the Midwest. The details of the local geology, however,… Read More »Geology
Topography The ground surface of Marion County and the materials that underlie it are the results of the last glaciation of central Indiana. Marion County is part of the physiographic province,… Read More »Topography