Director and State Geologist
As the Director of the Indiana Geological Survey and State Geologist of Indiana, Todd Thompson serves as chief executive of the institution, providing overall leadership in fulfilling the mission in directed research, service, and education. Todd has worked at the Indiana Geological and Water Survey for more than 30 years in a number of different capacities. His areas of research have been on the architecture of ancient carbonate shoals and its relevance on recoverable dimension stone, the impact of seismicity on Wabash River drainage behavior, and the stratigraphy of middle Mississippian sediments in south-central Indiana. Most of his work, however, has been on past lake-level change in the upper Great Lakes and concomitant shoreline behavior.
Todd received his undergraduate degree from Allegheny College and his master’s and doctoral degrees from Indiana University.
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- Late Pleistocene lacustrine sediments of the Cowles Bog area
- Development of reservoir facies and porosity-permeability compartmentalization in Middle Mississippian Salem Limestone, eastern margin of the Illinois Basin
- Using geological history of the Laurentian Great Lakes to better understand their future
- Analysis of middle-Holocene (ca. 6000 to 4500 years ago) lake-level change of ancestral Lake Superior at the Huron Mountains, upper Michigan
- Building a nation--the Indiana Limestone photograph collection