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Tomahawk Lake, Hazelhurst, Oneida Co., Wisconsin, USAi
Regional Level Types
Tomahawk LakeLake
Hazelhurst- not defined -
Oneida Co.County
WisconsinState
USACountry

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Latitude & Longitude (WGS84): 45° 49' 40'' North , 89° 39' 10'' West
Latitude & Longitude (decimal): 45.82778,-89.65278
GeoHash:G#: f00hxysy4
Locality type:Lake
Köppen climate type:Dfb : Warm-summer humid continental climate
Nearest Settlements:
PlacePopulationDistance
Lake Tomahawk228 (2017)4.8km
Minocqua451 (2017)6.6km
Woodruff966 (2017)8.4km
Sayner207 (2017)19.9km
Lac du Flambeau1,969 (2017)24.3km


Small ferromanganese nodules dredged form lake floor. These are likely common, but unrecognized, in other Wisconsin lakes.

Regions containing this locality

North America PlateTectonic Plate

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


2 valid minerals.

Detailed Mineral List:

Birnessite
Formula: (Na,Ca)0.5(Mn4+,Mn3+)2O4 · 1.5H2O
Reference: Bowser, Carl J., E. Callender and Ronald Rossmann, 1970, "Electron Probe and X-ray Studies of Fresh Water Ferromaganese Nodules from Wisconsin and Michigan", Geol. Soc. Am. , Abstracts with Programs, vol. 2, part 7, p. 500-501.
Goethite
Formula: α-Fe3+O(OH)
Reference: Bowser, Carl J., E. Callender and Ronald Rossmann, 1970, "Electron Probe and X-ray Studies of Fresh Water Ferromaganese Nodules from Wisconsin and Michigan", Geol. Soc. Am. , Abstracts with Programs, vol. 2, part 7, p. 500-501.

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Birnessite4.FL.45(Na,Ca)0.5(Mn4+,Mn3+)2O4 · 1.5H2O
Goethite4.00.α-Fe3+O(OH)

List of minerals arranged by Dana 8th Edition classification

Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
XO(OH)
Goethite6.1.1.2α-Fe3+O(OH)
Group 7 - MULTIPLE OXIDES
(AB)2X3
Birnessite7.5.3.1(Na,Ca)0.5(Mn4+,Mn3+)2O4 · 1.5H2O

List of minerals for each chemical element

HHydrogen
H Birnessite(Na,Ca)0.5(Mn4+,Mn3+)2O4 · 1.5H2O
H Goethiteα-Fe3+O(OH)
OOxygen
O Birnessite(Na,Ca)0.5(Mn4+,Mn3+)2O4 · 1.5H2O
O Goethiteα-Fe3+O(OH)
NaSodium
Na Birnessite(Na,Ca)0.5(Mn4+,Mn3+)2O4 · 1.5H2O
CaCalcium
Ca Birnessite(Na,Ca)0.5(Mn4+,Mn3+)2O4 · 1.5H2O
MnManganese
Mn Birnessite(Na,Ca)0.5(Mn4+,Mn3+)2O4 · 1.5H2O
FeIron
Fe Goethiteα-Fe3+O(OH)

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

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Bowser, Carl J., E. Callender and Ronald Rossmann, 1970, "Electron Probe and X-ray Studies of Fresh Water Ferromaganese Nodules from Wisconsin and Michigan", Geol. Soc. Am. , Abstracts with Programs, vol. 2, part 7, p. 500-501.


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