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Springfield Mine (Mr. Tysons Mine; Sykesville Mine), Sykesville, Carroll County, Maryland, USAi
Regional Level Types
Springfield Mine (Mr. Tysons Mine; Sykesville Mine)Mine
Sykesville- not defined -
Carroll CountyCounty
MarylandState
USACountry

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PhotosMapsSearch
08151300014948060103142.jpg
Springfield Mine, MD Adit

Springfield Mine, Sykesville, Carroll County, Maryland, USA
07505350014947038038732.jpg
Preserved Main Shaft

Springfield Mine, Sykesville, Carroll County, Maryland, USA
05096250014948059999773.jpg
View of one of the dumps

Springfield Mine, Sykesville, Carroll County, Maryland, USA
08151300014948060103142.jpg
Springfield Mine, MD Adit

Springfield Mine, Sykesville, Carroll County, Maryland, USA
07505350014947038038732.jpg
Preserved Main Shaft

Springfield Mine, Sykesville, Carroll County, Maryland, USA
05096250014948059999773.jpg
View of one of the dumps

Springfield Mine, Sykesville, Carroll County, Maryland, USA
08151300014948060103142.jpg
Springfield Mine, MD Adit

Springfield Mine, Sykesville, Carroll County, Maryland, USA
07505350014947038038732.jpg
Preserved Main Shaft

Springfield Mine, Sykesville, Carroll County, Maryland, USA
Latitude & Longitude (WGS84):
39° 22' 52'' North , 76° 58' 28'' West
Latitude & Longitude (decimal):
39.38114,-76.97467
GeoHash:
G#: dr1203hg8
GRN:
N27W43
Type:
Mine
Köppen climate type:
Cfa : Humid subtropical climate
Nearest Settlements:
PlacePopulationDistance
Sykesville4,412 (2017)1.0km
Eldersburg30,531 (2011)3.3km
Mount Airy9,380 (2017)15.5km
Randallstown32,430 (2011)15.5km
Reisterstown25,968 (2015)15.7km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Central Maryland Rock and Mineral Collectors ExchangeElkridge, Maryland29km
Baltimore Mineral SocietyBaltimore, Maryland33km
Chesapeake Gem & Mineral SocietyBaltimore, Maryland33km
Gem Cutters Guild of Baltimore, Inc.Baltimore, Maryland33km
Gem, Lapidary, and Mineral Society of Montgomery County, MD., Inc.Rockville, Maryland36km
Mindat Locality ID:
23230
Long-form identifier:
mindat:1:2:23230:1
GUID (UUID V4):
cfb4ed4e-3adb-4df7-bd1a-cbf64b39a203


Located 1 mile North of Sykesville. An iron and copper mine (copper after 100 feet deep). Opened in the mid-1800s (about 1857) and closed before 1892. Owned by George Patterson. This mine was the chief source of ore for the Elba Furnace (on the Patapsco River, ¾ mile SE of Sykesville). The workings featured a main shaft over 300 feet (100 meters) deep. It was originally worked for iron ore, but substantial copper mineralization was encountered at depth. The deposit is interpreted as a metamorphosed exhalative sea floor deposit.

The mine site is now a nature preserve with groomed trails.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

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

26 valid minerals.

Detailed Mineral List:

ⓘ Actinolite
Formula: ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
ⓘ Arfvedsonite
Formula: [Na][Na2][Fe2+4Fe3+]Si8O22(OH)2
Description: described as Riebeckite-arfvedsonite as green radiating crystals on quartz
ⓘ Azurite
Formula: Cu3(CO3)2(OH)2
ⓘ Bornite
Formula: Cu5FeS4
ⓘ Calcite
Formula: CaCO3
ⓘ Carrollite
Formula: CuCo2S4
ⓘ Chalcanthite
Formula: CuSO4 · 5H2O
ⓘ Chalcocite
Formula: Cu2S
ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ 'Chlorite Group'
ⓘ Chromite
Formula: Fe2+Cr3+2O4
ⓘ Chrysocolla
Formula: Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
ⓘ Covellite
Formula: CuS
ⓘ Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘ Gahnite
Formula: ZnAl2O4
Description: Cobaltian Gahnite
ⓘ Goethite
Formula: α-Fe3+O(OH)
ⓘ Gold
Formula: Au
ⓘ Hematite
Formula: Fe2O3
ⓘ Hematite var. Specularite
Formula: Fe2O3
ⓘ Idaite
Formula: Cu5FeS6
ⓘ 'Limonite'
ⓘ Linnaeite
Formula: Co2+Co3+2S4
References:
Dana 7:I:265.
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
ⓘ Malachite
Formula: Cu2(CO3)(OH)2
ⓘ Pyrite
Formula: FeS2
ⓘ Quartz
Formula: SiO2
ⓘ Riebeckite
Formula: ◻[Na2][Fe2+3Fe3+2]Si8O22(OH)2
ⓘ Siderite
Formula: FeCO3
Description: in steatite often altered to limonite
ⓘ Talc
Formula: Mg3Si4O10(OH)2
Description: in steatite and talc schist

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘGold1.AA.05Au
Group 2 - Sulphides and Sulfosalts
ⓘChalcocite2.BA.05Cu2S
ⓘBornite2.BA.15Cu5FeS4
ⓘCovellite2.CA.05aCuS
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘIdaite2.CB.15aCu5FeS6
ⓘCarrollite2.DA.05CuCo2S4
ⓘLinnaeite2.DA.05Co2+Co3+2S4
ⓘPyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
ⓘGoethite4.00.α-Fe3+O(OH)
ⓘGahnite4.BB.05ZnAl2O4
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘChromite4.BB.05Fe2+Cr3+2O4
ⓘHematite4.CB.05Fe2O3
ⓘvar. Specularite4.CB.05Fe2O3
ⓘQuartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
ⓘSiderite5.AB.05FeCO3
ⓘAzurite5.BA.05Cu3(CO3)2(OH)2
ⓘMalachite5.BA.10Cu2(CO3)(OH)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘChalcanthite7.CB.20CuSO4 · 5H2O
Group 9 - Silicates
ⓘEpidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘActinolite9.DE.10◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
ⓘArfvedsonite9.DE.25[Na][Na2][Fe2+4Fe3+]Si8O22(OH)2
ⓘRiebeckite9.DE.25◻[Na2][Fe2+3Fe3+2]Si8O22(OH)2
ⓘTalc9.EC.05Mg3Si4O10(OH)2
ⓘChrysocolla9.ED.20Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Unclassified
ⓘ'Chlorite Group'-
ⓘ'Limonite'-

List of minerals for each chemical element

HHydrogen
Hⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Hⓘ Arfvedsonite[Na][Na2][Fe42+Fe3+]Si8O22(OH)2
Hⓘ AzuriteCu3(CO3)2(OH)2
Hⓘ ChalcanthiteCuSO4 · 5H2O
Hⓘ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Hⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Hⓘ Goethiteα-Fe3+O(OH)
Hⓘ MalachiteCu2(CO3)(OH)2
Hⓘ Riebeckite◻[Na2][Fe32+Fe23+]Si8O22(OH)2
Hⓘ TalcMg3Si4O10(OH)2
CCarbon
Cⓘ AzuriteCu3(CO3)2(OH)2
Cⓘ CalciteCaCO3
Cⓘ MalachiteCu2(CO3)(OH)2
Cⓘ SideriteFeCO3
OOxygen
Oⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Oⓘ Arfvedsonite[Na][Na2][Fe42+Fe3+]Si8O22(OH)2
Oⓘ AzuriteCu3(CO3)2(OH)2
Oⓘ CalciteCaCO3
Oⓘ ChalcanthiteCuSO4 · 5H2O
Oⓘ ChromiteFe2+Cr23+O4
Oⓘ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Oⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Oⓘ GahniteZnAl2O4
Oⓘ Goethiteα-Fe3+O(OH)
Oⓘ HematiteFe2O3
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ MalachiteCu2(CO3)(OH)2
Oⓘ QuartzSiO2
Oⓘ Riebeckite◻[Na2][Fe32+Fe23+]Si8O22(OH)2
Oⓘ SideriteFeCO3
Oⓘ TalcMg3Si4O10(OH)2
Oⓘ Hematite var. SpeculariteFe2O3
NaSodium
Naⓘ Arfvedsonite[Na][Na2][Fe42+Fe3+]Si8O22(OH)2
Naⓘ Riebeckite◻[Na2][Fe32+Fe23+]Si8O22(OH)2
MgMagnesium
Mgⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Mgⓘ TalcMg3Si4O10(OH)2
AlAluminium
Alⓘ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Alⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Alⓘ GahniteZnAl2O4
SiSilicon
Siⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Siⓘ Arfvedsonite[Na][Na2][Fe42+Fe3+]Si8O22(OH)2
Siⓘ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Siⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Siⓘ QuartzSiO2
Siⓘ Riebeckite◻[Na2][Fe32+Fe23+]Si8O22(OH)2
Siⓘ TalcMg3Si4O10(OH)2
SSulfur
Sⓘ BorniteCu5FeS4
Sⓘ CarrolliteCuCo2S4
Sⓘ ChalcopyriteCuFeS2
Sⓘ ChalcanthiteCuSO4 · 5H2O
Sⓘ ChalcociteCu2S
Sⓘ CovelliteCuS
Sⓘ IdaiteCu5FeS6
Sⓘ LinnaeiteCo2+Co23+S4
Sⓘ PyriteFeS2
CaCalcium
Caⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Caⓘ CalciteCaCO3
Caⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
CrChromium
Crⓘ ChromiteFe2+Cr23+O4
FeIron
Feⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Feⓘ Arfvedsonite[Na][Na2][Fe42+Fe3+]Si8O22(OH)2
Feⓘ BorniteCu5FeS4
Feⓘ ChalcopyriteCuFeS2
Feⓘ ChromiteFe2+Cr23+O4
Feⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Feⓘ Goethiteα-Fe3+O(OH)
Feⓘ HematiteFe2O3
Feⓘ IdaiteCu5FeS6
Feⓘ MagnetiteFe2+Fe23+O4
Feⓘ PyriteFeS2
Feⓘ Riebeckite◻[Na2][Fe32+Fe23+]Si8O22(OH)2
Feⓘ SideriteFeCO3
Feⓘ Hematite var. SpeculariteFe2O3
CoCobalt
Coⓘ CarrolliteCuCo2S4
Coⓘ LinnaeiteCo2+Co23+S4
CuCopper
Cuⓘ AzuriteCu3(CO3)2(OH)2
Cuⓘ BorniteCu5FeS4
Cuⓘ CarrolliteCuCo2S4
Cuⓘ ChalcopyriteCuFeS2
Cuⓘ ChalcanthiteCuSO4 · 5H2O
Cuⓘ ChalcociteCu2S
Cuⓘ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Cuⓘ CovelliteCuS
Cuⓘ IdaiteCu5FeS6
Cuⓘ MalachiteCu2(CO3)(OH)2
ZnZinc
Znⓘ GahniteZnAl2O4
AuGold
Auⓘ GoldAu

Localities in this Region

USA
  • Maryland
    • Carroll County
      • Sykesville
        • Springfield Mine (Mr. Tysons Mine; Sykesville Mine)

Other Regions, Features and Areas containing this locality

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

Dana, Edward Salisbury (1892) A System of Mineralogy (6th ed.)
Singewald, J. T. (1911) Report on the iron ores of Maryland: Maryland Geological Survey Vol. 9 Part 3: 309-310.
Overbeck, R. & C. Tolman (1916) A metallographic study of the copper ores of Maryland: Economic Geology: 11 (2): 151-178.
Ulke, Titus (1936) Minerals of the District of Columbia and vicinity with a pertinent bibliography- conclusion: Rocks and Minerals – part 2: 11 (2): 26-28.
Ulke, Titus (1936) Sites of minerals, mines and quarries found within a 50 mile radius of Washington, D. C.: Rocks and Minerals: 11 (8): 120-122.
Ostrander, C. W. & W. E. Price (1940) Minerals of Maryland: Natural History Society of Maryland , 92 p.
Palache, Charles, Berman, Harry, Frondel, Clifford (1944) The System of Mineralogy (7th ed.) Vol. 1 - Elements, Sulfides, Sulfosalts, Oxides. John Wiley and Sons, New York.pp.262-264
Singewald, J. T. (1946) Mineral resources of Carroll and Frederick Counties: Maryland Dept. of Geology, Mines and Water Resources: Carroll and Fredrick Counties Report: 11-131.
Pearre, Nancy (1961) Mineral deposits of Maryland excluding fuel, sand and gravel: U.S. Geological Survey Mineral Investigations Resources Map MR-12.
Heyl, A. & Pearre, N (1965) Copper, zinc, lead, iron cobalt and barite deposits of the Piedmont Upland in Maryland: Maryland Geological Survey: Bulletin 28, 72 p.
Bernstein, Lawrence (1980) Minerals of the Washington D. C. area: Maryland Geological Survey Educational Series 5, 148 p.
Kuff, K. (1981) Mineral resources map of the Finksburg and Sykesville Quadrangles, Maryland: 1:24,000.
Candela, Philip A., Wylie, A. G., Burke, T. M. (1989) Genesis of the ultramafic rock-associated Fe-Cu-Co-Zn-Ni deposits of the Sykesville District, Maryland Piedmont. Economic Geology, 84 (3) 663-675 doi:10.2113/gsecongeo.84.3.663
Muller, P. D. (1994) Finksburg Geological Quadrangle Map 1:24,000: Maryland Geological Survey.
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