File:Interbedded graywacke-siltstone-slate (Mud Lake sequence, Neoarchean; Bourgin Road roadcut, Virginia, Minnesota, USA) 3 (22878917114).jpg
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Summary
| Description |
Interbedded graywacke-siltstone-slate in the Precambrian of Minnesota, USA. This is an outcrop of slightly metamorphosed shale-siltstone-graywacke outcrop that was smoothed and striated by glaciers during the Pleistocene Ice Age. Geologic unit & age: Mud Lake sequence, Neoarchean. Locality: roadcut along the eastern side of Bourgin Road roadcut, just southeast of the Rt. 53-Rt. 135 intersection, southeast of the town of Virginia, central St. Louis County, northeastern Minnesota, USA. |
| Date | |
| Source | Interbedded graywacke-siltstone-slate (Mud Lake sequence, Neoarchean; Bourgin Road roadcut, Virginia, Minnesota, USA) 3 |
| Author | James St. John |
| Object location |  | View this and other nearby images on: OpenStreetMap |  |
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Licensing
This file is licensed under the Creative Commons Attribution 2.0 Generic license.
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This image was originally posted to Flickr by James St. John at https://flickr.com/photos/47445767@N05/22878917114 (archive). It was reviewed on 5 December 2019 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 05:52, 5 December 2019 | | 3,773 × 2,995 (3.83 MB) | Ser Amantio di Nicolao | Transferred from Flickr via #flickr2commons |
File usage
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