Deposit about 12 miles east of Wausau prospected by Noranda and its subsidiaries. Known primarily from drill core. Deposit is as quartz veins in a sheared granofels.

Regions containing this locality

North America Plate

Tectonic Plate

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Standard Detailed Strunz Dana Chemical Elements

Mineral List

5 valid minerals.

Detailed Mineral List:

ⓘ Chalcopyrite

Formula: CuFeS₂

Reference: LaBerge, G.L. Editor (1996) Volcanogenic massive sulfide deposits of northern Wisconsin: A commemorative volume: Institute on Lake Superior Geology Proceedings, 42nd annual meeting: 42 (2), 170 p.

ⓘ Goethite

Formula: α-Fe³⁺O(OH)

Gold

Reef Gold deposit, Marathon Co., Wisconsin, USA

ⓘ Gold

Formula: Au

ⓘ Pyrrhotite

Formula: Fe₇S₈

ⓘ Quartz

Formula: SiO₂

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘ	Gold	1.AA.05	Au
Group 2 - Sulphides and Sulfosalts
ⓘ	Chalcopyrite	2.CB.10a	CuFeS₂
ⓘ	Pyrrhotite	2.CC.10	Fe₇S₈
Group 4 - Oxides and Hydroxides
ⓘ	Goethite	4.00.	α-Fe³⁺O(OH)
ⓘ	Quartz	4.DA.05	SiO₂

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
ⓘ	Gold	1.1.1.1	Au
Group 2 - SULFIDES
A_mX_p, with m:p = 1:1
ⓘ	Pyrrhotite	2.8.10.1	Fe₇S₈
A_mB_nX_p, with (m+n):p = 1:1
ⓘ	Chalcopyrite	2.9.1.1	CuFeS₂
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
XO(OH)
ⓘ	Goethite	6.1.1.2	α-Fe³⁺O(OH)
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO₂ with [4] coordinated Si
ⓘ	Quartz	75.1.3.1	SiO₂

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Goethite	α-Fe³⁺O(OH)
O	Oxygen
O	ⓘ Quartz	SiO₂
O	ⓘ Goethite	α-Fe³⁺O(OH)
Si	Silicon
Si	ⓘ Quartz	SiO₂
S	Sulfur
S	ⓘ Chalcopyrite	CuFeS₂
S	ⓘ Pyrrhotite	Fe₇S₈
Fe	Iron
Fe	ⓘ Chalcopyrite	CuFeS₂
Fe	ⓘ Pyrrhotite	Fe₇S₈
Fe	ⓘ Goethite	α-Fe³⁺O(OH)
Cu	Copper
Cu	ⓘ Chalcopyrite	CuFeS₂
Au	Gold
Au	ⓘ Gold	Au

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

Mesoproterozoic 1000 - 1600 Ma ID: 2712020	Wolf River granite Age: Mesoproterozoic (1000 - 1600 Ma) Stratigraphic Name: Wolf River Granite Description: Coarse-grained, porphyritic hornblende-biotite granite to quartz monzonite. Part of the Wolf River batholith. Reference: LaBerge, G.L., and P.E. Myers. Precambrian Geology of Marathon County, Wisconsin. Wisconsin Geological and Natural History Survey. [135]
Mesoproterozoic 1000 - 1600 Ma ID: 3187695	Mesoproterozoic intrusive rocks Age: Mesoproterozoic (1000 - 1600 Ma) 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: 2882677	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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LaBerge, G.L. Editor (1996) Volcanogenic massive sulfide deposits of northern Wisconsin: A commemorative volume: Institute on Lake Superior Geology Proceedings, 42nd annual meeting: 42(2), 170 p.

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