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Bare Hills Copper Mine (Smith Avenue Copper Mine), Bare Hills, Baltimore County, Maryland, USAi
Regional Level Types
Bare Hills Copper Mine (Smith Avenue Copper Mine)Mine
Bare HillsGroup of Hills
Baltimore CountyCounty
MarylandState
USACountry

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Latitude & Longitude (WGS84):
39° 22' 39'' North , 76° 39' 54'' West
Latitude & Longitude (decimal):
Type:
KΓΆppen climate type:
Nearest Settlements:
PlacePopulationDistance
Arlington3,065 (2018)4.5km
Pikesville30,764 (2011)5.0km
Lutherville6,504 (2011)5.9km
Towson55,197 (2011)6.0km
Mays Chapel11,420 (2011)6.3km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Baltimore Mineral SocietyBaltimore, Maryland11km
Chesapeake Gem & Mineral SocietyBaltimore, Maryland11km
Gem Cutters Guild of Baltimore, Inc.Baltimore, Maryland11km
Central Maryland Rock and Mineral Collectors ExchangeElkridge, Maryland19km
Patuxent Lapidary GuildAnnapolis, Maryland47km
Mindat Locality ID:
28714
Long-form identifier:
mindat:1:2:28714:3
GUID (UUID V4):
3615f988-b944-43fb-89c6-c2bd187bf8be


A copper mine located about 1 mile NW of Mt Washington and about 3 miles NW of Baltimore. Started 1845 and closed 1880. Reopened during the period 1905. Owned by the Bare Hills Mining Co. Host rock is hornblende gneiss. Produced 32,500 tons of 18% Cu. Workings featured a 600 foot shaft, later deepened to 900 feet.

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


30 valid minerals.

Detailed Mineral List:

β“˜ Actinolite
Formula: ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
β“˜ Albite
Formula: Na(AlSi3O8)
β“˜ Almandine
Formula: Fe2+3Al2(SiO4)3
β“˜ Anthophyllite
Formula: ◻{Mg2}{Mg5}(Si8O22)(OH)2
β“˜ Aragonite
Formula: CaCO3
β“˜ Azurite
Formula: Cu3(CO3)2(OH)2
β“˜ Bornite
Formula: Cu5FeS4
β“˜ Calcite
Formula: CaCO3
β“˜ Carrollite
Formula: CuCo2S4
β“˜ Chalcanthite
Formula: CuSO4 · 5H2O
β“˜ Chalcocite
Formula: Cu2S
β“˜ Chalcopyrite
Formula: CuFeS2
β“˜ 'Chlorite Group'
β“˜ Chrysocolla
Formula: Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
β“˜ Covellite
Formula: CuS
β“˜ Cummingtonite
Formula: ◻{Mg2}{Mg5}(Si8O22)(OH)2
β“˜ Cuprite
Formula: Cu2O
β“˜ Cuprite var. Chalcotrichite
Formula: Cu2O
β“˜ Enstatite
Formula: Mg2Si2O6
β“˜ Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
β“˜ Ferro-hornblende
Formula: ◻Ca2(Fe2+4Al)(Si7Al)O22(OH)2
β“˜ Gypsum
Formula: CaSO4 · 2H2O
β“˜ Gypsum var. Selenite
Formula: CaSO4 · 2H2O
β“˜ Laumontite
Formula: CaAl2Si4O12 · 4H2O
β“˜ Magnetite
Formula: Fe2+Fe3+2O4
β“˜ Malachite
Formula: Cu2(CO3)(OH)2
β“˜ Melanterite
Formula: Fe2+(H2O)6SO4 · H2O
β“˜ Microcline
Formula: K(AlSi3O8)
β“˜ Pyrite
Formula: FeS2
β“˜ Quartz
Formula: SiO2
β“˜ Schorl
Formula: NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
β“˜ 'Stilbite Subgroup'
Formula: M6-7[Al8-9Si27-28O72] · nH2O
β“˜ Talc
Formula: Mg3Si4O10(OH)2
β“˜ Tremolite
Formula: ◻Ca2Mg5(Si8O22)(OH)2

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
β“˜Chalcocite2.BA.05Cu2S
β“˜Bornite2.BA.15Cu5FeS4
β“˜Covellite2.CA.05aCuS
β“˜Chalcopyrite2.CB.10aCuFeS2
β“˜Carrollite2.DA.05CuCo2S4
β“˜Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
β“˜Cuprite
var. Chalcotrichite
4.AA.10Cu2O
β“˜4.AA.10Cu2O
β“˜Magnetite4.BB.05Fe2+Fe3+2O4
β“˜Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
β“˜Calcite5.AB.05CaCO3
β“˜Aragonite5.AB.15CaCO3
β“˜Azurite5.BA.05Cu3(CO3)2(OH)2
β“˜Malachite5.BA.10Cu2(CO3)(OH)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
β“˜Chalcanthite7.CB.20CuSO4 Β· 5H2O
β“˜Melanterite7.CB.35Fe2+(H2O)6SO4 Β· H2O
β“˜Gypsum7.CD.40CaSO4 Β· 2H2O
β“˜var. Selenite7.CD.40CaSO4 Β· 2H2O
Group 9 - Silicates
β“˜Almandine9.AD.25Fe2+3Al2(SiO4)3
β“˜Epidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
β“˜Schorl9.CK.05NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
β“˜Enstatite9.DA.05Mg2Si2O6
β“˜Anthophyllite9.DD.05β—»{Mg2}{Mg5}(Si8O22)(OH)2
β“˜Cummingtonite9.DE.05β—»{Mg2}{Mg5}(Si8O22)(OH)2
β“˜Ferro-hornblende9.DE.10β—»Ca2(Fe2+4Al)(Si7Al)O22(OH)2
β“˜Tremolite9.DE.10β—»Ca2Mg5(Si8O22)(OH)2
β“˜Actinolite9.DE.10β—»Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
β“˜Talc9.EC.05Mg3Si4O10(OH)2
β“˜Chrysocolla9.ED.20Cu2-xAlx(H2-xSi2O5)(OH)4 Β· nH2O, x < 1
β“˜Microcline9.FA.30K(AlSi3O8)
β“˜Albite9.FA.35Na(AlSi3O8)
β“˜Laumontite9.GB.10CaAl2Si4O12 Β· 4H2O
Unclassified
β“˜'Chlorite Group'-
β“˜'Stilbite Subgroup'-M6-7[Al8-9Si27-28O72] Β· nH2O

List of minerals for each chemical element

HHydrogen
Hβ“˜ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Hβ“˜ Anthophyllite◻{Mg2}{Mg5}(Si8O22)(OH)2
Hβ“˜ AzuriteCu3(CO3)2(OH)2
Hβ“˜ ChalcanthiteCuSO4 · 5H2O
Hβ“˜ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Hβ“˜ Cummingtonite◻{Mg2}{Mg5}(Si8O22)(OH)2
Hβ“˜ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Hβ“˜ Ferro-hornblende◻Ca2(Fe42+Al)(Si7Al)O22(OH)2
Hβ“˜ GypsumCaSO4 · 2H2O
Hβ“˜ LaumontiteCaAl2Si4O12 · 4H2O
Hβ“˜ MalachiteCu2(CO3)(OH)2
Hβ“˜ MelanteriteFe2+(H2O)6SO4 · H2O
Hβ“˜ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Hβ“˜ Stilbite SubgroupM6-7[Al8-9Si27-28O72] · nH2O
Hβ“˜ TalcMg3Si4O10(OH)2
Hβ“˜ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Hβ“˜ Gypsum var. SeleniteCaSO4 · 2H2O
BBoron
Bβ“˜ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
CCarbon
Cβ“˜ AragoniteCaCO3
Cβ“˜ AzuriteCu3(CO3)2(OH)2
Cβ“˜ CalciteCaCO3
Cβ“˜ MalachiteCu2(CO3)(OH)2
OOxygen
Oβ“˜ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Oβ“˜ AlbiteNa(AlSi3O8)
Oβ“˜ Anthophyllite◻{Mg2}{Mg5}(Si8O22)(OH)2
Oβ“˜ AragoniteCaCO3
Oβ“˜ AzuriteCu3(CO3)2(OH)2
Oβ“˜ AlmandineFe32+Al2(SiO4)3
Oβ“˜ CalciteCaCO3
Oβ“˜ ChalcanthiteCuSO4 · 5H2O
Oβ“˜ Cuprite var. ChalcotrichiteCu2O
Oβ“˜ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Oβ“˜ Cummingtonite◻{Mg2}{Mg5}(Si8O22)(OH)2
Oβ“˜ CupriteCu2O
Oβ“˜ EnstatiteMg2Si2O6
Oβ“˜ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Oβ“˜ Ferro-hornblende◻Ca2(Fe42+Al)(Si7Al)O22(OH)2
Oβ“˜ GypsumCaSO4 · 2H2O
Oβ“˜ LaumontiteCaAl2Si4O12 · 4H2O
Oβ“˜ MagnetiteFe2+Fe23+O4
Oβ“˜ MalachiteCu2(CO3)(OH)2
Oβ“˜ MelanteriteFe2+(H2O)6SO4 · H2O
Oβ“˜ MicroclineK(AlSi3O8)
Oβ“˜ QuartzSiO2
Oβ“˜ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Oβ“˜ Stilbite SubgroupM6-7[Al8-9Si27-28O72] · nH2O
Oβ“˜ TalcMg3Si4O10(OH)2
Oβ“˜ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Oβ“˜ Gypsum var. SeleniteCaSO4 · 2H2O
NaSodium
Naβ“˜ AlbiteNa(AlSi3O8)
Naβ“˜ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
MgMagnesium
Mgβ“˜ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Mgβ“˜ Anthophyllite◻{Mg2}{Mg5}(Si8O22)(OH)2
Mgβ“˜ Cummingtonite◻{Mg2}{Mg5}(Si8O22)(OH)2
Mgβ“˜ EnstatiteMg2Si2O6
Mgβ“˜ TalcMg3Si4O10(OH)2
Mgβ“˜ Tremolite◻Ca2Mg5(Si8O22)(OH)2
AlAluminium
Alβ“˜ AlbiteNa(AlSi3O8)
Alβ“˜ AlmandineFe32+Al2(SiO4)3
Alβ“˜ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Alβ“˜ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Alβ“˜ Ferro-hornblende◻Ca2(Fe42+Al)(Si7Al)O22(OH)2
Alβ“˜ LaumontiteCaAl2Si4O12 · 4H2O
Alβ“˜ MicroclineK(AlSi3O8)
Alβ“˜ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Alβ“˜ Stilbite SubgroupM6-7[Al8-9Si27-28O72] · nH2O
SiSilicon
Siβ“˜ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Siβ“˜ AlbiteNa(AlSi3O8)
Siβ“˜ Anthophyllite◻{Mg2}{Mg5}(Si8O22)(OH)2
Siβ“˜ AlmandineFe32+Al2(SiO4)3
Siβ“˜ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Siβ“˜ Cummingtonite◻{Mg2}{Mg5}(Si8O22)(OH)2
Siβ“˜ EnstatiteMg2Si2O6
Siβ“˜ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Siβ“˜ Ferro-hornblende◻Ca2(Fe42+Al)(Si7Al)O22(OH)2
Siβ“˜ LaumontiteCaAl2Si4O12 · 4H2O
Siβ“˜ MicroclineK(AlSi3O8)
Siβ“˜ QuartzSiO2
Siβ“˜ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Siβ“˜ Stilbite SubgroupM6-7[Al8-9Si27-28O72] · nH2O
Siβ“˜ TalcMg3Si4O10(OH)2
Siβ“˜ Tremolite◻Ca2Mg5(Si8O22)(OH)2
SSulfur
Sβ“˜ BorniteCu5FeS4
Sβ“˜ CarrolliteCuCo2S4
Sβ“˜ ChalcopyriteCuFeS2
Sβ“˜ ChalcanthiteCuSO4 · 5H2O
Sβ“˜ ChalcociteCu2S
Sβ“˜ CovelliteCuS
Sβ“˜ GypsumCaSO4 · 2H2O
Sβ“˜ MelanteriteFe2+(H2O)6SO4 · H2O
Sβ“˜ PyriteFeS2
Sβ“˜ Gypsum var. SeleniteCaSO4 · 2H2O
KPotassium
Kβ“˜ MicroclineK(AlSi3O8)
CaCalcium
Caβ“˜ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Caβ“˜ AragoniteCaCO3
Caβ“˜ CalciteCaCO3
Caβ“˜ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Caβ“˜ Ferro-hornblende◻Ca2(Fe42+Al)(Si7Al)O22(OH)2
Caβ“˜ GypsumCaSO4 · 2H2O
Caβ“˜ LaumontiteCaAl2Si4O12 · 4H2O
Caβ“˜ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Caβ“˜ Gypsum var. SeleniteCaSO4 · 2H2O
FeIron
Feβ“˜ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Feβ“˜ AlmandineFe32+Al2(SiO4)3
Feβ“˜ BorniteCu5FeS4
Feβ“˜ ChalcopyriteCuFeS2
Feβ“˜ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Feβ“˜ Ferro-hornblende◻Ca2(Fe42+Al)(Si7Al)O22(OH)2
Feβ“˜ MagnetiteFe2+Fe23+O4
Feβ“˜ MelanteriteFe2+(H2O)6SO4 · H2O
Feβ“˜ PyriteFeS2
Feβ“˜ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
CoCobalt
Coβ“˜ CarrolliteCuCo2S4
CuCopper
Cuβ“˜ AzuriteCu3(CO3)2(OH)2
Cuβ“˜ BorniteCu5FeS4
Cuβ“˜ CarrolliteCuCo2S4
Cuβ“˜ ChalcopyriteCuFeS2
Cuβ“˜ ChalcanthiteCuSO4 · 5H2O
Cuβ“˜ ChalcociteCu2S
Cuβ“˜ Cuprite var. ChalcotrichiteCu2O
Cuβ“˜ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Cuβ“˜ CovelliteCuS
Cuβ“˜ CupriteCu2O
Cuβ“˜ MalachiteCu2(CO3)(OH)2

Other Regions, Features and Areas containing this locality


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References

 
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