Strange Stones of Skull Creek: Basalt Glacial Erratics and Omars in Eastern Nebraska

• Main Authors: Joeckel, Robert M., Korus, Jesse T., Turk, Judith, Arps, C. C., Arps, N. V., Howard, Leslie M.
• Format: Text
• Language: unknown
• Published: DigitalCommons@University of Nebraska - Lincoln 2022
• Subjects: Earth Sciences; Geology; Geomorphology; Hydrology; Paleontology; Physical Sciences and Mathematics; Sedimentology; Soil Science; Stratigraphy; Hudson; Hudson Bay; Skull Creek; Ice Sheet
• Online Access: https://digitalcommons.unl.edu/conservationsurvey/802; https://digitalcommons.unl.edu/context/conservationsurvey/article/1803/viewcontent/Joeckel_GPR_2022_Strange_stones_PRINT.pdf

We describe unusual stream- reworked glacially transported rocks (erratics) from a locality 50 km east of the limit of all pre- Illinoian (pre- 190 ka) Pleistocene glaciations in the central USA. Almost all these erratics consist of the igneous rock basalt, and of those, the vast majority have at le...