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Baltic, Houghton Co., Michigan, USA

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Key
Lock Map
View of the Baltic underground mining, ca. 1930.

Baltic Mine, Baltic, Houghton Co., Michigan, USA
Two views of Underground of Baltic Mine

Baltic Mine, Baltic, Houghton Co., Michigan, USA
View of the Baltic underground mining, ca. 1930.

Baltic Mine, Baltic, Houghton Co., Michigan, USA
Two views of Underground of Baltic Mine

Baltic Mine, Baltic, Houghton Co., Michigan, USA
View of the Baltic underground mining, ca. 1930.

Baltic Mine, Baltic, Houghton Co., Michigan, USA
Two views of Underground of Baltic Mine

Baltic Mine, Baltic, Houghton Co., Michigan, USA
Latitude & Longitude (WGS84): 47° 4' 2'' North , 88° 38' 0'' West
Latitude & Longitude (decimal): 47.06743,-88.63346
GeoHash:G#: f02gz075d
Köppen climate type:Dfb : Warm-summer humid continental climate


No description has been added for this locality. Can you add one?

Regions containing this locality

Keweenaw Peninsula, Michigan, USA

Peninsula - 232 mineral species & varietal names listed

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.


Mineral List

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

17 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!

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

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Anilite
Formula: Cu7S4
Ankerite
Formula: Ca(Fe2+,Mg)(CO3)2
Baryte
Formula: BaSO4
'Basalt'
Bornite
Formula: Cu5FeS4
Calcite
Formula: CaCO3
Chalcocite
Formula: Cu2S
Chalcopyrite
Formula: CuFeS2
Copper
Formula: Cu
'commodity:Copper'
Formula: Cu
Dolomite
Formula: CaMg(CO3)2
Epidote
Formula: {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
'K Feldspar'
Laumontite
Formula: CaAl2Si4O12 · 4H2O
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Muscovite var: Sericite
Formula: KAl2(AlSi3O10)(OH)2
Prehnite
Formula: Ca2Al2Si3O10(OH)2
'Pumpellyite'
Pyrite
Formula: FeS2
Quartz
Formula: SiO2
Silver
Formula: Ag
Stromeyerite
Formula: AgCuS
'Thomsonite'

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
'Copper'1.AA.05Cu
Silver1.AA.05Ag
Group 2 - Sulphides and Sulfosalts
'Anilite'2.BA.10Cu7S4
'Bornite'2.BA.15Cu5FeS4
'Chalcocite'2.BA.05Cu2S
'Chalcopyrite'2.CB.10aCuFeS2
'Pyrite'2.EB.05aFeS2
Stromeyerite2.BA.40AgCuS
Group 4 - Oxides and Hydroxides
'Quartz'4.DA.05SiO2
Group 5 - Nitrates and Carbonates
'Ankerite'5.AB.10Ca(Fe2+,Mg)(CO3)2
'Calcite'5.AB.05CaCO3
'Dolomite'5.AB.10CaMg(CO3)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
'Baryte'7.AD.35BaSO4
Group 9 - Silicates
'Epidote'9.BG.05a{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
'Laumontite'9.GB.10CaAl2Si4O12 · 4H2O
'Muscovite'9.EC.15KAl2(AlSi3O10)(OH)2
var: Sericite9.EC.15KAl2(AlSi3O10)(OH)2
'Prehnite'9.DP.20Ca2Al2Si3O10(OH)2
Unclassified Minerals, Rocks, etc.
'Basalt'-
'K Feldspar'-
'Pumpellyite'-
Thomsonite-

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
Silver1.1.1.2Ag
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 2:1
Anilite2.4.7.5Cu7S4
Chalcocite2.4.7.1Cu2S
Stromeyerite2.4.6.1AgCuS
AmBnXp, with (m+n):p = 3:2
Bornite2.5.2.1Cu5FeS4
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
AB(XO3)2
Ankerite14.2.1.2Ca(Fe2+,Mg)(CO3)2
Dolomite14.2.1.1CaMg(CO3)2
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Baryte28.3.1.1BaSO4
Group 58 - SOROSILICATES Insular, Mixed, Single, and Larger Tetrahedral Groups
Insular, Mixed, Single, and Larger Tetrahedral Groups with cations in [6] and higher coordination; single and double groups (n = 1, 2)
Epidote58.2.1a.7{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
Group 72 - PHYLLOSILICATES Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings
Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings with 4-membered rings
Prehnite72.1.3.1Ca2Al2Si3O10(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
Laumontite77.1.1.4CaAl2Si4O12 · 4H2O
Unclassified Minerals, Rocks, etc.
'Basalt'-
'K Feldspar'-
Muscovite
var: Sericite
-KAl2(AlSi3O10)(OH)2
'Pumpellyite'-
'Thomsonite'-

List of minerals for each chemical element

HHydrogen
H Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
H LaumontiteCaAl2Si4O12 · 4H2O
H MuscoviteKAl2(AlSi3O10)(OH)2
H PrehniteCa2Al2Si3O10(OH)2
H Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
CCarbon
C AnkeriteCa(Fe2+,Mg)(CO3)2
C CalciteCaCO3
C DolomiteCaMg(CO3)2
OOxygen
O AnkeriteCa(Fe2+,Mg)(CO3)2
O BaryteBaSO4
O CalciteCaCO3
O DolomiteCaMg(CO3)2
O Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
O LaumontiteCaAl2Si4O12 · 4H2O
O MuscoviteKAl2(AlSi3O10)(OH)2
O PrehniteCa2Al2Si3O10(OH)2
O QuartzSiO2
O Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
MgMagnesium
Mg AnkeriteCa(Fe2+,Mg)(CO3)2
Mg DolomiteCaMg(CO3)2
AlAluminium
Al Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Al LaumontiteCaAl2Si4O12 · 4H2O
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al PrehniteCa2Al2Si3O10(OH)2
Al Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
SiSilicon
Si Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Si LaumontiteCaAl2Si4O12 · 4H2O
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si PrehniteCa2Al2Si3O10(OH)2
Si QuartzSiO2
Si Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
SSulfur
S AniliteCu7S4
S BaryteBaSO4
S BorniteCu5FeS4
S ChalcociteCu2S
S ChalcopyriteCuFeS2
S PyriteFeS2
S StromeyeriteAgCuS
KPotassium
K MuscoviteKAl2(AlSi3O10)(OH)2
K Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
CaCalcium
Ca AnkeriteCa(Fe2+,Mg)(CO3)2
Ca CalciteCaCO3
Ca DolomiteCaMg(CO3)2
Ca Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Ca LaumontiteCaAl2Si4O12 · 4H2O
Ca PrehniteCa2Al2Si3O10(OH)2
FeIron
Fe AnkeriteCa(Fe2+,Mg)(CO3)2
Fe BorniteCu5FeS4
Fe ChalcopyriteCuFeS2
Fe Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Fe PyriteFeS2
CuCopper
Cu AniliteCu7S4
Cu BorniteCu5FeS4
Cu ChalcociteCu2S
Cu ChalcopyriteCuFeS2
Cu CopperCu
Cu StromeyeriteAgCuS
AgSilver
Ag SilverAg
Ag StromeyeriteAgCuS
BaBarium
Ba BaryteBaSO4

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

Stenian
1000 - 1200 Ma



ID: 2928167
Portage Lake Volcanics

Age: Stenian (1000 - 1200 Ma)

Stratigraphic Name: Portage Lake Volcanics

Description: Lava flows, mostly basalt, andesite and felsite flows and subordinate interflow sedimentary rocks.

Comments: This unit is the same as unit Yp on paper map of Sims (1992). Description is taken from that unit description.

Lithology: Major:{basalt}, Minor:{basaltic andesite}, Incidental:{rhyolite, sandstone mudstone}

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]

Mesoproterozoic
1000 - 1600 Ma



ID: 3190266
Mesoproterozoic volcanic rocks

Age: Mesoproterozoic (1000 - 1600 Ma)

Comments: Mid-Continent Rift

Lithology: Bimodal volcanic 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]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License

Localities in this Region
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