| Basis for focus area |
Anorogenic rapakivi granite cut by pegmatites; epizonal plutonic complex (1484±2 to 1468±4 Ma). |
| Identified resources |
Unknown. |
| Production |
Unknown. |
| Status |
Unknown. |
| Estimated resources |
No data. |
| Geologic maps |
Sims (1992), scale 1:500,000. |
| Geophysical data |
Inadequate aeromagnetic and aeroradiometric coverage. |
| Favorable rocks and structures |
Epizonal plutonic complex (1484±2 to 1468±4 Ma) composed of cogenetic anorthosite, monzonite, and rapakivi granite intrusions. Batholith has alkaline affinities. Late stage pegmatite/aplite development. |
| Deposits |
No data. |
| Evidence from mineral occurrences |
No data. |
| Geochemical evidence |
No data. |
| Geophysical evidence |
No data. |
| Evidence from other sources |
No data. |
| Cover thickness and description |
Eastern part of the Wolf River is hidden by overlying Paleozoic rocks; other parts are concealed by glacial deposits. Outcrops mainly in road cuts, quarries, and rare natural exposures. |
| Authors |
Laurel G. Woodruff. |
| New data needs |
New mapping, high resolution geophysics. |
| Geologic mapping and modeling needs |
Need new geologic mapping. |
| Geophysical survey and modeling needs |
High resolution aeromagnetic and aeroradiometric coverage needed and more ground gravity data. |
| Digital elevation data needs |
Lidar adequate. |
