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Animikie Red Ace pegmatite, Pine River pegmatites, Fern, Florence Co., Wisconsin, USA

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Latitude & Longitude (WGS84): 45° 51' 2'' North , 88° 21' 10'' West
Latitude & Longitude (decimal): 45.8505555556, -88.3527777778


The most complex and largest pegmatite in the Hoskins Lake pegmatite field. These are undated, but probably are related to the intrusion of 1,760 million year old Bush Lake Granite.Location is in Sec 22, T39N R17E. The coordinates mark a prominent outcrop. This locality is now part of the "Pine River Wild Rivers Area", and collecting is no longer permitted.

Mineral List


45 valid minerals.

Regional Geology

This 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 data will improve over time as more accurate maps and data sets are added.

Paleoproterozoic1600 - 2500 MaMafic metavolcanic rocks

Major:: {basalt},Minor:: {andesite},Incidental:: {gabbro, ultramafic intrusive rock}

Mafic metavolcanic rocks - 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.

Pembine-Wausau terrane

Paleoproterozoic1600 - 2500 MaPaleoproterozoic volcanic rocks

Volcanic rocks

May include hypabyssal intrusions.

Paleoproterozoic1600 - 2500 MaPaleoproterozoic volcanic: undivided volcanic rocks

Volcanic: undivided volcanic rocks


References for regional geology:

Data provided by Macrostrat.org

Garrity, C.P., and Soller, D.R.,. Database of the Geologic Map of North America: adapted from the map by J.C. Reed, Jr. and others (2005). U.S. Geological Survey Data Series 424 .

USGS compilers. State geologic map data. State Maps.

Geological Survey of Canada. Generalized geological map of the world and linked databases. doi:10.4095/195142. Open File 2915d.



The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Falster, A. , W.B. Simmons & P.B. Moore (1988) Fillowite, Lithiophilite, Heterosite/Purpurite and Allvaudite--Varulite Group Minerals from a Pegmatite in Florence County, WI, Abst. 15th Rochester Mineralogical Symposium, Rocks and Minerals: 63(6) p. 455.

Falster, A. U., W.B. Simmons & K. L. Webber (1995) Niobium-Tantalum minerals from the Animikie Red Ace Pegmatite, Florence County, Wisconsin: Rocks and Minerals: 70(2): 126-127.

Falster, A. , W.B. Simmons & P.B. Moore (1996) The mineralogy and geochemistry of the Animikie Red Ace pegmatite in Florence County, Wisconsin: Rec. Res. Dev. Mineral: 1: 7-67.

Falster, A. U. (2001), A second world occurrence for behierite in Florence County, Wisconsin: Proceedings 28th Rochester Mineralogical Symposium: 8-9.

Sirbescu, M. L. C., E. E. Hartwick, E.E., & J. J. Student (2008): Rapid crystallization of the Animikie Red Ace Pegmatite, Florence county, northeastern Wisconsin: inclusion microthermometry and conductive-cooling modeling. Contributions to Mineralogy and Petrology: 156: 289-305.

External Links

Wisconsin Mineral index - Wisconsin Geological and Natural History Survey http://wgnhs.uwex.edu/wisconsin-geology/minerals-wisconsin/

Mineral and/or Locality  
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