Minnesota's_Distribution_of_Exposed_Crystalline_Rocks.PNG

Summary

Description
English: The Montevideo Gneiss Complex is No. 13 on the map and occurs in two separate gerrymandering places; one has a northwesterly orientation in west-central Minnesota and the other emplacement is south of the first one and has an east-west orientation. The Morton Gneiss Complex is No. 14 on the map with its northern edge contiguous to the southerly Montevideo portion and gerrymanders to the southwest. The Sacred Heart granite is No. 15 on the map; it bisected by the Morton complex it.
Date
Source Sood, M.K.; Flower, M.F.J.; Edgar, D.E. (1984-01-01). Characterization of crystalline rocks in the Lake Superior region, USA: implications for nuclear waste isolation. [Wisconsin, Upper Peninsula of Michigan and Minnesota] (Report). OSTI ID: 5050035; Legacy ID: DE84009160. Retrieved March 31, 2010.
Author Geoscience and Engineering Group, Energy and Environmental Systems Division, Argonne National Laboratory
Permission
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Licensing

Public domain This image or media file contains material based on a work of a United States Department of the Interior employee, created as part of that person's official duties. As a work of the U.S. federal government , such work is in the public domain in the United States. See the Department of the Interior copyright policy for more information.