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Duluth, Saint Louis County, Minnesota, USAi
Regional Level Types
DuluthCity
Saint Louis CountyCounty
MinnesotaState
USACountry

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PhotosMapsSearchMineralogy
08628220017272041611162.jpg
Layered gabbro in Duluth Complex

Skyline Parkway, Duluth, Saint Louis County, Minnesota, USA
09247170017272324178711.jpg
View of the Duluth iron mining and metallurgy area, in 1912.

Mesaba Ore Docks, Duluth, Saint Louis County, Minnesota, USA
02291460017925794974715.jpg
Otter Pond

Lester River, Duluth, Saint Louis County, Minnesota, USA
08628220017272041611162.jpg
Layered gabbro in Duluth Complex

Skyline Parkway, Duluth, Saint Louis County, Minnesota, USA
09247170017272324178711.jpg
View of the Duluth iron mining and metallurgy area, in 1912.

Mesaba Ore Docks, Duluth, Saint Louis County, Minnesota, USA
08578470017925477095715.jpg
Otter Pond

Lester River, Duluth, Saint Louis County, Minnesota, USA
08628220017272041611162.jpg
Layered gabbro in Duluth Complex

Skyline Parkway, Duluth, Saint Louis County, Minnesota, USA
09247170017272324178711.jpg
View of the Duluth iron mining and metallurgy area, in 1912.

Mesaba Ore Docks, Duluth, Saint Louis County, Minnesota, USA
Type:
City
Largest Settlements:
PlacePopulation
Duluth86,110 (2017)
Mindat Locality ID:
250450
Long-form identifier:
mindat:1:2:250450:9
GUID (UUID V4):
0


Duluth is a city and the county seat of Saint Louis County. It is located on the North Shore of Lake Superior.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

Mineral list contains entries from the region specified including sub-localities

12 valid minerals.

Rock Types Recorded


Rock list contains entries from the region specified including sub-localities

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Anorthite
Formula: Ca(Al2Si2O8)
ⓘ Anorthite var. Labradorite
Formula: (Ca,Na)[Al(Al,Si)Si2O8]
ⓘ Calcite
Formula: CaCO3
ⓘ Chalcopyrite
Formula: CuFeS2
References:
Frank KarastiIdentified by Frank Karasti: Visual Identification
ⓘ Chamosite
Formula: Fe2+5Al(AlSi3O10)(OH)8
References:
Edith Trybalski
ⓘ Cuprite
Formula: Cu2O
References:
Frank KarastiIdentified by Frank Karasti: Visual Identification
ⓘ Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘ Fluorite
Formula: CaF2
ⓘ Malachite
Formula: Cu2(CO3)(OH)2
References:
Frank KarastiIdentified by Frank Karasti: Visual Identification
ⓘ 'Mica Group'
References:
Frank KarastiIdentified by Frank Karasti: Visual Identification
ⓘ Native Copper
Formula: Cu
References:
Frank KarastiIdentified by Frank Karasti: Visual Identification
ⓘ Pyrite
Formula: FeS2
References:
Frank KarastiIdentified by Frank Karasti: Visual Identification, Visual (Fluorescence)
ⓘ Pyrope
Formula: Mg3Al2(SiO4)3
References:
Frank KarastiIdentified by Frank Karasti: Visual Identification
ⓘ Quartz
Formula: SiO2
ⓘ Quartz var. Chalcedony
Formula: SiO2
References:
Brian Cowger
ⓘ Quartz var. Lake Superior Agate
Formula: SiO2
References:
Brian Cowger

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘNative Copper1.AA.05Cu
Group 2 - Sulphides and Sulfosalts
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘPyrite2.EB.05aFeS2
Group 3 - Halides
ⓘFluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
ⓘCuprite4.AA.10Cu2O
ⓘQuartz
var. Chalcedony		4.DA.05SiO2
ⓘ4.DA.05SiO2
ⓘvar. Lake Superior Agate4.DA.05SiO2
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
ⓘMalachite5.BA.10Cu2(CO3)(OH)2
Group 9 - Silicates
ⓘPyrope9.AD.25Mg3Al2(SiO4)3
ⓘEpidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘChamosite9.EC.55Fe2+5Al(AlSi3O10)(OH)8
ⓘAnorthite9.FA.35Ca(Al2Si2O8)
ⓘvar. Labradorite9.FA.35(Ca,Na)[Al(Al,Si)Si2O8]
Unclassified
ⓘ'Mica Group'-

List of minerals for each chemical element

HHydrogen
Hⓘ ChamositeFe52+Al(AlSi3O10)(OH)8
Hⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Hⓘ MalachiteCu2(CO3)(OH)2
CCarbon
Cⓘ CalciteCaCO3
Cⓘ MalachiteCu2(CO3)(OH)2
OOxygen
Oⓘ AnorthiteCa(Al2Si2O8)
Oⓘ CalciteCaCO3
Oⓘ Quartz var. ChalcedonySiO2
Oⓘ ChamositeFe52+Al(AlSi3O10)(OH)8
Oⓘ CupriteCu2O
Oⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Oⓘ Anorthite var. Labradorite(Ca,Na)[Al(Al,Si)Si2O8]
Oⓘ MalachiteCu2(CO3)(OH)2
Oⓘ PyropeMg3Al2(SiO4)3
Oⓘ QuartzSiO2
Oⓘ Quartz var. Lake Superior AgateSiO2
FFluorine
Fⓘ FluoriteCaF2
NaSodium
Naⓘ Anorthite var. Labradorite(Ca,Na)[Al(Al,Si)Si2O8]
MgMagnesium
Mgⓘ PyropeMg3Al2(SiO4)3
AlAluminium
Alⓘ AnorthiteCa(Al2Si2O8)
Alⓘ ChamositeFe52+Al(AlSi3O10)(OH)8
Alⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Alⓘ Anorthite var. Labradorite(Ca,Na)[Al(Al,Si)Si2O8]
Alⓘ PyropeMg3Al2(SiO4)3
SiSilicon
Siⓘ AnorthiteCa(Al2Si2O8)
Siⓘ Quartz var. ChalcedonySiO2
Siⓘ ChamositeFe52+Al(AlSi3O10)(OH)8
Siⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Siⓘ Anorthite var. Labradorite(Ca,Na)[Al(Al,Si)Si2O8]
Siⓘ PyropeMg3Al2(SiO4)3
Siⓘ QuartzSiO2
Siⓘ Quartz var. Lake Superior AgateSiO2
SSulfur
Sⓘ ChalcopyriteCuFeS2
Sⓘ PyriteFeS2
CaCalcium
Caⓘ AnorthiteCa(Al2Si2O8)
Caⓘ CalciteCaCO3
Caⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Caⓘ FluoriteCaF2
Caⓘ Anorthite var. Labradorite(Ca,Na)[Al(Al,Si)Si2O8]
FeIron
Feⓘ ChalcopyriteCuFeS2
Feⓘ ChamositeFe52+Al(AlSi3O10)(OH)8
Feⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Feⓘ PyriteFeS2
CuCopper
Cuⓘ ChalcopyriteCuFeS2
Cuⓘ CupriteCu2O
Cuⓘ Native CopperCu
Cuⓘ MalachiteCu2(CO3)(OH)2

Fossils

This region is too big or complex to display the fossil list, try looking at smaller subregions.

Other Databases

Wikipedia:https://en.wikipedia.org/wiki/Duluth,_Minnesota
Wikidata ID:Q485708
GeoNames ID:5024719

Localities in this Region

USA

Other Regions, Features and Areas that Intersect

North AmericaContinent
North America PlateTectonic Plate
USA

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