The geologic history of Ohio is represented in the rocks, sediments and geography of the landscape we see today. Many volumes have been written about the state's geology and …

The geology of Ohio formed beginning more than one billion years ago in the Proterozoic eon of the Precambrian. The igneous and metamorphic crystalline basement rock is poorly …

The main topics in this chapter are the geologic time scale, the geologic maps of Ohio, character-istics of sedimentary rocks, the geologic history of Ohio, and regional stratigraphy of Ohio.

This collection of public domain documents was selected as a foundation to preserve and provide greater access to early writings on the geology of Ohio. It includes the work of the early …

Apr 10, 2025 · Throughout the years, the department has worked in fulfilling the societal need for specialists in the different fields of geology in the areas of natural resources, energy and the …

Geologic map of Ohio showing maximum ages of mappable units. Image by Jonathan R. Hendricks for the Earth@Home project developed using QGIS and USGS data (public …

Additional information about the geology of Lake Erie and the Lake Erie Watershed are presented throughout this chapter, including: (1) Bedrock Geology; (2) Glacial Geology; (3) Drift …

Learn about the Geology of Ohio with maps, photos and expert descriptions! This 6"x9" paperback has 411 pages that are packed with detailed information about Ohio Geology.

A cursory glance at the geologic map of Ohio implies an anticlinal feature: the oldest rocks exposed in Ohio—Ordovician—crop out along the axis and younger Paleozoic rocks dip …

The geology of Ohio formed beginning more than one billion years ago in the Proterozoic eon of the Precambrian. The igneous and metamorphic crystalline basement rock is poorly …