| Latitude & Longitude (WGS84): | 45° 33' 20'' North , 90° 57' 33'' West | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Latitude & Longitude (decimal): | 45.55556,-90.95917 | ||||||||||||||||||
| GeoHash: | G#: cbp74jjs3 | ||||||||||||||||||
| Locality type: | Dam | ||||||||||||||||||
| KΓΆppen climate type: | Dfb : Warm-summer humid continental climate | ||||||||||||||||||
| Nearest Settlements: |
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Rock exposures on east side of Chippewa River at the dam at Big Falls flowage and in old quarry about one kilometer south of dam. The outcrops are of an unmetamorphosed quartz diorite, likely of MesoProterozoic age.
Regions containing this locality
| North America Plate | Tectonic Plate |
Select Mineral List Type
Standard Detailed Strunz Dana Chemical ElementsDetailed Mineral List:
| β 'Albite-Anorthite Series' Reference: Cordua, W. (1998) Minerals of Wisconsin: Rocks and Minerals: 73 (6): 378 - 399 |
| β 'Biotite' Reference: Cordua, W. (1998) Minerals of Wisconsin: Rocks and Minerals: 73 (6): 378 - 399 |
| β 'Hornblende' Reference: Cordua, W. (1998) Minerals of Wisconsin: Rocks and Minerals: 73 (6): 378 - 399 |
| β Quartz Formula: SiO2 Reference: Cordua, W. (1998) Minerals of Wisconsin: Rocks and Minerals: 73 (6): 378 - 399 |
List of minerals arranged by Strunz 10th Edition classification
| Group 4 - Oxides and Hydroxides | |||
|---|---|---|---|
| β | Quartz | 4.DA.05 | SiO2 |
| Unclassified Minerals, Rocks, etc. | |||
| β | 'Albite-Anorthite Series' | - | |
| β | 'Biotite' | - | |
| β | 'Hornblende' | - | |
List of minerals arranged by Dana 8th Edition classification
| Group 75 - TECTOSILICATES Si Tetrahedral Frameworks | |||
|---|---|---|---|
| Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si | |||
| β | Quartz | 75.1.3.1 | SiO2 |
| Unclassified Minerals, Mixtures, etc. | |||
| β | 'Albite-Anorthite Series' | - | |
| β | 'Biotite' | - | |
| β | 'Hornblende' | - | |
Regional Geology
This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.
Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org
| Statherian - Paleoproterozoic 1600 - 2500 Ma ID: 3185191 | Paleoproterozoic intrusive rocks Age: Proterozoic (1600 - 2500 Ma) Comments: Pembine-Wasau Terrane Lithology: Intrusive igneous rocks Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154] |
| Paleoproterozoic 1600 - 2500 Ma ID: 2976420 | Mafic metavolcanic rocks Age: Proterozoic (1600 - 2500 Ma) Description: Dominantly tholeiitic basalt and basaltic andesite flows and tuffs; associated with sheet dikes, massive and layered metagabbro, and ultramafic rocks. In northeastern Wisconsin, rocks have been named the Quinnesec Formation. Comments: Pembine-Wausau terrane Original map source: Cannon, W.F., Kress, T.H., Sutphin, D.M., Morey, G.B., Meints, Joyce, and Barber-Delach, Robert, 1997, Digital Geologic Map and mineral deposits of the Lake Superior Region, Minnesota, Wisconsin, Michigan: USGS Open-File Report 97-455 (version 3, Nov. 19 Lithology: Major:{basalt,basaltic andesite}, Minor:{metagabbro,ultramafic} Reference: Horton, J.D., C.A. San Juan, and D.B. Stoeser. The State Geologic Map Compilation (SGMC) geodatabase of the conterminous United States. doi: 10.3133/ds1052. U.S. Geological Survey Data Series 1052. [133] |
Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License
References
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Big Falls dam, Rusk Co., Wisconsin, USA