| Title | Jointing in and glacial surface on North Shore Volcanic Group metasediments |
| Description | Jointing in glacially rounded outcrop of North Shore Volcanic Group metasediments, in Leif Ericson Park, Duluth, Minnesota. |
| Chronostratigraphy | Late Proterozoic, Keweenawan |
| Lithostratigraphy | North Shore Volcanic Group |
| Geologic province | Midcontinent Rift |
| Location | USA ▹ Minnesota ▹ St. Louis. Near Duluth. Duluth Quadrangle. |
| Photographer | Joseph Hartman. 2002-02-21. |
| Collection | Joseph Hartman C08842. |
| Key words | jointing |
| Tech details | 533 KB. Outcrop. Kodachrome, TIFF. |
| GeoDIL number | 2411 |
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