Title | Basalt (and other igneous) rip-rap in Duluth along Lake Superior |
Description | Basalt rip-rap in Duluth along Lake Superior, St. Louis, 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 C08828. |
Key words | rip-rap |
Tech details | 414 KB. Outcrop. Kodachrome, TIFF. |
GeoDIL number | 2407 |
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