Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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Steamboat Islet Prospect, Rainy Lake, St. Louis County, Minnesota, USAi
Regional Level Types
Steamboat Islet ProspectProspect
Rainy LakeLake
St. Louis CountyCounty
MinnesotaState
USACountry

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Latitude & Longitude (WGS84):
48° 36' 37'' North , 93° 2' 43'' West
Latitude & Longitude (decimal):
48.61028,-93.04528
GRN:
N33W45
Type:
Prospect
Köppen climate type:
Dfb : Warm-summer humid continental climate
Nearest Settlements:
PlacePopulationDistance
Island View150 (2017)9.1km
Ranier586 (2017)22.3km
Fort Frances7,931 (2018)26.1km
International Falls6,158 (2017)26.9km
Nett Lake284 (2017)55.6km
Mindat Locality ID:
167492
Long-form identifier:
mindat:1:2:167492:0
GUID (UUID V4):
0


Commodities (Major) - Gold
Development Status: Unknown
Structure: In The Quetico Subprovince Of The Superior Province. The Rainy Lake Area Lies Within A Dextral Wrench (Shear) Zone Bounded On The North By The Quetico Fault And On The South By The Rainy Lake-Seine River Fault.
Host Rock: Metasedimentary Rock
Tectonic Structure: Superior Province, Relatively Undisturbed Archean Craton.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


5 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘNative Gold1.AA.05Au
Group 2 - Sulphides and Sulfosalts
ⓘPyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
ⓘHematite4.CB.05Fe2O3
ⓘvar. Specularite4.CB.05Fe2O3
ⓘQuartz4.DA.05SiO2
Group 9 - Silicates
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘvar. Sericite9.EC.15KAl2(AlSi3O10)(OH)2
Unclassified
ⓘ'Chlorite Group'-
ⓘ'Tourmaline'-AD3G6(T6O18)(BO3)3X3Z

List of minerals for each chemical element

HHydrogen
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Hⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
BBoron
Bⓘ TourmalineAD3G6(T6O18)(BO3)3X3Z
OOxygen
Oⓘ HematiteFe2O3
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ QuartzSiO2
Oⓘ TourmalineAD3G6(T6O18)(BO3)3X3Z
Oⓘ Hematite var. SpeculariteFe2O3
Oⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
AlAluminium
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Alⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
SiSilicon
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ QuartzSiO2
Siⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
SSulfur
Sⓘ PyriteFeS2
KPotassium
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Kⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
FeIron
Feⓘ HematiteFe2O3
Feⓘ PyriteFeS2
Feⓘ Hematite var. SpeculariteFe2O3
AuGold
Auⓘ Native GoldAu

Other Databases

Link to USGS MRDS:10082804

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America PlateTectonic Plate

This page 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

Grout, F.F. (1937) Petrographic study of gold prospects of Minnesota: Economic Geology: 32 (1): 56-68.
Sims, P.K. & Day, W.C. (1992) A regional structural model for gold mineralization in the southern part of the Archean Superior Province, United States: U.S. Geological Survey Bulletin 1904M: M-1-M-15
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