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Esrey Park, Keweenaw Co., Michigan, USAi
Regional Level Types
Esrey ParkPark
Keweenaw Co.County
MichiganState
USACountry

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Key
03078120014947210469103.jpg
Along the beach at Esrey Park

Esrey Park, Keweenaw Co., Michigan, USA
04199950014947210461273.jpg
Esrey Park, Keweenaw Co. Michigan

Esrey Park, Keweenaw Co., Michigan, USA
03078120014947210469103.jpg
Along the beach at Esrey Park

Esrey Park, Keweenaw Co., Michigan, USA
04199950014947210461273.jpg
Esrey Park, Keweenaw Co. Michigan

Esrey Park, Keweenaw Co., Michigan, USA
Latitude & Longitude (WGS84):
47° 28' 8'' North , 88° 3' 24'' West
Latitude & Longitude (decimal):
Locality type:
Nearest Settlements:
PlacePopulationDistance
Copper Harbor108 (2017)12.7km
Ahmeek146 (2017)31.8km
Copper City187 (2017)32.3km
Calumet703 (2017)38.8km
Laurium1,941 (2017)38.8km


A small roadside park located in between Eagle Harbor and Copper Harbor in Michigan's Keweenaw Peninsula. Very fine Lake Superior Agates can be collected on the beaches and in outcrops of the lakeshore traps inland. Some zeolites can be found as well. Some rarer minerals are also present such as amethyst.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Commodity List

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


Mineral List


7 valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Analcime
Formula: Na(AlSi2O6) · H2O
Reference: Bornhorst, T. J., & Barron, R. J. (2011). Copper deposits of the western Upper Peninsula of Michigan. The Geological Society of America Field Guide 24, 83-99.
Calcite
Formula: CaCO3
Reference: Bornhorst, T. J., & Barron, R. J. (2011). Copper deposits of the western Upper Peninsula of Michigan. The Geological Society of America Field Guide 24, 83-99.
Copper
Formula: Cu
Reference: Yalmer Primeau Collection
Laumontite
Formula: CaAl2Si4O12 · 4H2O
Reference: Bornhorst, T. J., & Barron, R. J. (2011). Copper deposits of the western Upper Peninsula of Michigan. The Geological Society of America Field Guide 24, 83-99.
Malachite
Formula: Cu2(CO3)(OH)2
Reference: Yalmer Primeau Collection
Natrolite
Formula: Na2Al2Si3O10 · 2H2O
Reference: Mineralogy of Michigan (2004) Heinrich & Robinson
Quartz
Formula: SiO2
Reference: Paul T. Brandes; Bornhorst, T. J., & Barron, R. J. (2011). Copper deposits of the western Upper Peninsula of Michigan. The Geological Society of America Field Guide 24, 83-99.
Quartz var: Agate
Reference: Paul T. Brandes; Bornhorst, T. J., & Barron, R. J. (2011). Copper deposits of the western Upper Peninsula of Michigan. The Geological Society of America Field Guide 24, 83-99.
Quartz var: Amethyst
Formula: SiO2
Reference: Yalmer primeau
Quartz var: Chalcedony
Formula: SiO2
Reference: Bornhorst, T. J., & Barron, R. J. (2011). Copper deposits of the western Upper Peninsula of Michigan. The Geological Society of America Field Guide 24, 83-99.
Quartz var: Lake Superior Agate
Formula: SiO2
Reference: Paul T. Brandes
'Smectite Group'
Formula: A0.3D2-3[T4O10]Z2 · nH2O
Reference: Bornhorst, T. J., & Barron, R. J. (2011). Copper deposits of the western Upper Peninsula of Michigan. The Geological Society of America Field Guide 24, 83-99.
'Stilbite subgroup'
Reference: Yalmer Primeau Collection

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Copper1.AA.05Cu
Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
var: Agate4.DA.05SiO2
var: Amethyst4.DA.05SiO2
var: Chalcedony4.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
Analcime9.GB.05Na(AlSi2O6) · H2O
Laumontite9.GB.10CaAl2Si4O12 · 4H2O
Natrolite9.GA.05Na2Al2Si3O10 · 2H2O
Unclassified Minerals, Rocks, etc.
'Smectite Group'-A0.3D2-3[T4O10]Z2 · nH2O
'Stilbite subgroup'-

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Copper1.1.1.3Cu
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Malachite16a.3.1.1Cu2(CO3)(OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Group 77 - TECTOSILICATES Zeolites
Zeolite group - True zeolites
Analcime77.1.1.1Na(AlSi2O6) · H2O
Laumontite77.1.1.4CaAl2Si4O12 · 4H2O
Natrolite77.1.5.1Na2Al2Si3O10 · 2H2O
Unclassified Minerals, Mixtures, etc.
Quartz
var: Agate
-SiO2
var: Amethyst-SiO2
var: Chalcedony-SiO2
var: Lake Superior Agate-SiO2
'Smectite Group'-A0.3D2-3[T4O10]Z2 · nH2O
'Stilbite subgroup'-

List of minerals for each chemical element

HHydrogen
H NatroliteNa2Al2Si3O10 · 2H2O
H LaumontiteCaAl2Si4O12 · 4H2O
H AnalcimeNa(AlSi2O6) · H2O
H Smectite GroupA0.3D2-3[T4O10]Z2 · nH2O
H MalachiteCu2(CO3)(OH)2
CCarbon
C CalciteCaCO3
C MalachiteCu2(CO3)(OH)2
OOxygen
O NatroliteNa2Al2Si3O10 · 2H2O
O Quartz (var: Lake Superior Agate)SiO2
O QuartzSiO2
O Quartz (var: Amethyst)SiO2
O Quartz (var: Chalcedony)SiO2
O LaumontiteCaAl2Si4O12 · 4H2O
O AnalcimeNa(AlSi2O6) · H2O
O CalciteCaCO3
O Smectite GroupA0.3D2-3[T4O10]Z2 · nH2O
O MalachiteCu2(CO3)(OH)2
NaSodium
Na NatroliteNa2Al2Si3O10 · 2H2O
Na AnalcimeNa(AlSi2O6) · H2O
AlAluminium
Al NatroliteNa2Al2Si3O10 · 2H2O
Al LaumontiteCaAl2Si4O12 · 4H2O
Al AnalcimeNa(AlSi2O6) · H2O
SiSilicon
Si NatroliteNa2Al2Si3O10 · 2H2O
Si Quartz (var: Lake Superior Agate)SiO2
Si QuartzSiO2
Si Quartz (var: Amethyst)SiO2
Si Quartz (var: Chalcedony)SiO2
Si LaumontiteCaAl2Si4O12 · 4H2O
Si AnalcimeNa(AlSi2O6) · H2O
CaCalcium
Ca LaumontiteCaAl2Si4O12 · 4H2O
Ca CalciteCaCO3
CuCopper
Cu MalachiteCu2(CO3)(OH)2
Cu CopperCu

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Heinrich & Robinson (2004), Mineralogy of Michigan.
Bornhorst, T. J., & Barron, R. J. (2011). Copper deposits of the western Upper Peninsula of Michigan. The Geological Society of America Field Guide 24: 83-99.

Other Regions, Features and Areas containing this locality

North America PlateTectonic Plate
USA

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