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Force Crag Mine (Force Craig Mine), Coledale, Above Derwent, Allerdale, Cumbria, England, UK

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Latitude & Longitude (WGS84): 54° 34' 59'' North , 3° 14' 16'' West
Latitude & Longitude (decimal): 54.58314,-3.23797
GeoHash:G#: gctww2d1v
UK National Grid Reference:NY200216
Locality type:Mine
Köppen climate type:Cfb : Temperate oceanic climate
Other/historical names associated with this locality:North and Western Region; Cumberland


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Regions containing this locality

Lake District National Park, Cumbria, England, UK

National Park - 410 mineral species & varietal names listed

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


37 valid minerals.

Detailed Mineral List:

Acanthite
Formula: Ag2S
Reference: Green, D.I., McCallum, D., and Wood, M. (1997) Supergene Cu, Pb, Zn and Ag Minerals from Force Crag Mine, Coledale, Cumbria. UK Journal of Mines & Minerals 18: 10-14.; Green, D.I., Bridges, T.F., Rumsey, M.S., Leppington, C.M., and Tindle, A.G. (2008) A review of the mineralogy of the Roughton Gill Mines, Caldbeck Fells, Cumbria: Part 2 The Roughton Gill South Vein on Balliway Rigg. Journal of The Russell Society, vol. 11, 3-28.
Anglesite
Formula: PbSO4
Reference: [UKJMM 18:9]; Green, D.I., McCallum, D. & Wood, M. (1997) Cu, Pb, Zn and Ag Minerals from Force Crag Mine, Coledale, Cumbria. UK Journal of Mines & Minerals 18: 10-14.
Ankerite
Formula: Ca(Fe2+,Mg)(CO3)2
Reference: No reference listed
Antimony
Formula: Sb
Reference: No reference listed
Arsenopyrite
Formula: FeAsS
Reference: No reference listed
Baryte
Formula: BaSO4
Reference: Green, D.I., McCallum, D. & Wood, M. (1997) Cu, Pb, Zn and Ag Minerals from Force Crag Mine, Coledale, Cumbria. UK Journal of Mines & Minerals 18: 10-14.; Young, B. & Cooper, A.H. (1988) The Geology and Mineralisation of Force Crag Mine, Cumbria. The Cumberland Geological Society, Proceedings: 5(1): 5-11.
Bournonite
Formula: PbCuSbS3
Reference: No reference listed
Brochantite
Formula: Cu4(SO4)(OH)6
Reference: [UKJMM 18:9]; Green, D.I., McCallum, D. & Wood, M. (1997) Cu, Pb, Zn and Ag Minerals from Force Crag Mine, Coledale, Cumbria. UK Journal of Mines & Minerals 18: 10-14.
Calcite
Formula: CaCO3
Reference: No reference listed
Cerussite
Formula: PbCO3
Reference: Hall, T.M. (1868): The Mineralogist's Directory. Edward Stanford (London), 168 pp.; Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 1088; Green, D.I., McCallum, D. & Wood, M. (1997) Cu, Pb, Zn and Ag Minerals from Force Crag Mine, Coledale, Cumbria. UK Journal of Mines & Minerals 18: 10-14.; Young, B. & Cooper, A.H. (1988) The Geology and Mineralisation of Force Crag Mine, Cumbria. The Cumberland Geological Society, Proceedings: 5(1): 5-11.
Chalcopyrite
Formula: CuFeS2
Reference: Young, B. & Cooper, A.H. (1988) The Geology and Mineralisation of Force Crag Mine, Cumbria. The Cumberland Geological Society, Proceedings: 5(1): 5-11.
'Chlorite Group'
Reference: No reference listed
Clinochlore
Formula: Mg5Al(AlSi3O10)(OH)8
Reference: No reference listed
Cordierite
Formula: (Mg,Fe)2Al3(AlSi5O18)
Reference: No reference listed
Cuprite
Formula: Cu2O
Reference: [UKJMM 18:9]; Green, D.I., McCallum, D. & Wood, M. (1997) Cu, Pb, Zn and Ag Minerals from Force Crag Mine, Coledale, Cumbria. UK Journal of Mines & Minerals 18: 10-14.
Dolomite
Formula: CaMg(CO3)2
Reference: No reference listed
Erythrite
Formula: Co3(AsO4)2 · 8H2O
Reference: Hall, T.M. (1868) The Mineralogist's Directory. Edward Stanford (London), 168 pp.; Kingsbury, A.W.G. and Hartley, J. (1957) New occurrences of arseniosiderite. Mineralogical Magazine, vol. 31, n° 237, 499-500.; Green, D.I., McCallum, D. & Wood, M. (1997) Cu, Pb, Zn and Ag Minerals from Force Crag Mine, Coledale, Cumbria. UK Journal of Mines & Minerals 18: 10-14.
Fluorite
Formula: CaF2
Reference: Young, B. & Cooper, A.H. (1988) The Geology and Mineralisation of Force Crag Mine, Cumbria. The Cumberland Geological Society, Proceedings: 5(1): 5-11.
Galena
Formula: PbS
Reference: Green, D.I., McCallum, D. & Wood, M. (1997) Cu, Pb, Zn and Ag Minerals from Force Crag Mine, Coledale, Cumbria. UK Journal of Mines & Minerals 18: 10-14.; Young, B. & Cooper, A.H. (1988) The Geology and Mineralisation of Force Crag Mine, Cumbria. The Cumberland Geological Society, Proceedings: 5(1): 5-11.
Goethite
Formula: α-Fe3+O(OH)
Reference: No reference listed
Hematite
Formula: Fe2O3
Langite
Formula: Cu4(SO4)(OH)6 · 2H2O
Reference: [UKJMM 18:9]; Green, D.I., McCallum, D. & Wood, M. (1997) Cu, Pb, Zn and Ag Minerals from Force Crag Mine, Coledale, Cumbria. UK Journal of Mines & Minerals 18: 10-14.
Lautenthalite
Formula: PbCu4(SO4)2(OH)6 · 3H2O
Reference: [UKJMM 18:9]; Green, D.I., McCallum, D. & Wood, M. (1997) Cu, Pb, Zn and Ag Minerals from Force Crag Mine, Coledale, Cumbria. UK Journal of Mines & Minerals 18: 10-14.
Linarite
Formula: PbCu(SO4)(OH)2
Reference: [UKJMM 18:9]; Green, D.I., McCallum, D. & Wood, M. (1997) Cu, Pb, Zn and Ag Minerals from Force Crag Mine, Coledale, Cumbria. UK Journal of Mines & Minerals 18: 10-14.
Malachite
Formula: Cu2(CO3)(OH)2
Reference: Young, B. & Cooper, A.H. (1988) The Geology and Mineralisation of Force Crag Mine, Cumbria. The Cumberland Geological Society, Proceedings: 5(1): 5-11.
Manganite
Formula: Mn3+O(OH)
Reference: Hall, T.M. (1868): The Mineralogist's Directory. Edward Stanford (London), 168 pp.
Marcasite
Formula: FeS2
Reference: No reference listed
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: No reference listed
Muscovite var: Illite
Formula: K0.65Al2.0[Al0.65Si3.35O10](OH)2
Reference: No reference listed
'Psilomelane'
Reference: Young, B. & Cooper, A.H. (1988) The Geology and Mineralisation of Force Crag Mine, Cumbria. The Cumberland Geological Society, Proceedings: 5(1): 5-11.
Pyrite
Formula: FeS2
Reference: Young, B. & Cooper, A.H. (1988) The Geology and Mineralisation of Force Crag Mine, Cumbria. The Cumberland Geological Society, Proceedings: 5(1): 5-11.
Pyromorphite
Formula: Pb5(PO4)3Cl
Reference: Green, D.I., McCallum, D. & Wood, M. (1997) Cu, Pb, Zn and Ag Minerals from Force Crag Mine, Coledale, Cumbria. UK Journal of Mines & Minerals 18: 10-14.
Quartz
Formula: SiO2
Reference: Green, D.I., McCallum, D. & Wood, M. (1997) Cu, Pb, Zn and Ag Minerals from Force Crag Mine, Coledale, Cumbria. UK Journal of Mines & Minerals 18: 10-14.
Quartz var: Chalcedony
Formula: SiO2
Reference: No reference listed
Serpierite
Formula: Ca(Cu,Zn)4(SO4)2(OH)6 · 3H2O
Reference: [UKJMM 18:9]; Green, D.I., McCallum, D. & Wood, M. (1997) Cu, Pb, Zn and Ag Minerals from Force Crag Mine, Coledale, Cumbria. UK Journal of Mines & Minerals 18: 10-14.
Siderite
Formula: FeCO3
Reference: Young, B. & Cooper, A.H. (1988) The Geology and Mineralisation of Force Crag Mine, Cumbria. The Cumberland Geological Society, Proceedings: 5(1): 5-11.
Silver
Formula: Ag
Reference: Green, D.I., McCallum, D., and Wood, M. (1997) Supergene Cu, Pb, Zn and Ag Minerals from Force Crag Mine, Coledale, Cumbria. UK Journal of Mines & Minerals 18: 10-14.; Green, D.I., Bridges, T.F., Rumsey, M.S., Leppington, C.M., and Tindle, A.G. (2008) A review of the mineralogy of the Roughton Gill Mines, Caldbeck Fells, Cumbria: Part 2 The Roughton Gill South Vein on Balliway Rigg. Journal of The Russell Society, vol. 11, 3-28.
Skutterudite
Formula: CoAs3
Reference: Hall, T.M. (1868): The Mineralogist's Directory. Edward Stanford (London), 168 pp.
Sphalerite
Formula: ZnS
Reference: Hall, T.M. (1868): The Mineralogist's Directory. Edward Stanford (London), 168 pp.; Green, D.I., McCallum, D. & Wood, M. (1997) Cu, Pb, Zn and Ag Minerals from Force Crag Mine, Coledale, Cumbria. UK Journal of Mines & Minerals 18: 10-14.; Young, B. & Cooper, A.H. (1988) The Geology and Mineralisation of Force Crag Mine, Cumbria. The Cumberland Geological Society, Proceedings: 5(1): 5-11.
Stolzite ?
Formula: Pb(WO4)
Description: Moulding et al. (2008): "Robert Philips Greg described "minute but measurable crystals, on macled crystals of black carbonate of lead from Force Craig lead mine near Keswick", and provided a chemical analysis and a crystal drawing to support his identification. Sir Arthur Russell (1944) cast doubt on the record following extensive research on the Allan-Greg collection, as it was not substantiated by either a specimen or a catalogue entry. His views are echoed by more recent workers (e.g. Cooper and Stanley, 1990)."
Reference: Greg, R.P. and Lettsom, W.G. (1858) Manual of the mineralogy of Great Britain and Ireland. John Van Voorst, London, ix, 483 pp. [facsimile reprint, with addenda, by Lapidary Publications, Broadstairs, 1977].; Hall, T.M. (1868) The Mineralogist's Directory: or a guide to the principal mineral localities in the United Kingdom and Ireland. Edward Stanford (London), 168 pp.; Russell, A (1944) Notes on some minerals either new or rare to Britain. Mineralogical Magazine, 27(184), 1-10.; Kingsbury, A.W.G. and Hartley, J. (MS) (1951) New occurrences of rare minerals in the northern part of the English Lake District: part 1.; Palache, C., Berman, H., and Frondel, C. (1951) The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 1088.; Cooper, M.P. and Stanley, C.J. (1990) Minerals of the English Lake District: Caldbeck Fells. Natural History Museum Publications, London, 160 pp.; Moulding, D., Hooper, J., and Green, D.I. (2008) Stolzite from Penberthy Croft Mine, St Hilary, Cornwall. Journal of the Russell Society, 11, 88-90.
'Tourmaline'
Formula: A(D3)G6(T6O18)(BO3)3X3Z
Reference: Hall, T.M. (1868): The Mineralogist's Directory. Edward Stanford (London), 168 pp.
Wulfenite
Formula: Pb(MoO4)
Reference: No reference listed

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
'Antimony'1.CA.05Sb
Silver1.AA.05Ag
Group 2 - Sulphides and Sulfosalts
'Acanthite'2.BA.35Ag2S
'Arsenopyrite'2.EB.20FeAsS
'Bournonite'2.GA.50PbCuSbS3
Chalcopyrite2.CB.10aCuFeS2
Galena2.CD.10PbS
Marcasite2.EB.10aFeS2
Pyrite2.EB.05aFeS2
Skutterudite2.EC.05CoAs3
Sphalerite2.CB.05aZnS
Group 3 - Halides
Fluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
Cuprite4.AA.10Cu2O
Goethite4.00.α-Fe3+O(OH)
Hematite4.CB.05Fe2O3
Manganite4.FD.15Mn3+O(OH)
Quartz4.DA.05SiO2
var: Chalcedony4.DA.05SiO2
Group 5 - Nitrates and Carbonates
'Ankerite'5.AB.10Ca(Fe2+,Mg)(CO3)2
'Calcite'5.AB.05CaCO3
'Cerussite'5.AB.15PbCO3
Dolomite5.AB.10CaMg(CO3)2
Malachite5.BA.10Cu2(CO3)(OH)2
Siderite5.AB.05FeCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
'Anglesite'7.AD.35PbSO4
'Baryte'7.AD.35BaSO4
'Brochantite'7.BB.25Cu4(SO4)(OH)6
Langite7.DD.10Cu4(SO4)(OH)6 · 2H2O
Lautenthalite7.DE.70PbCu4(SO4)2(OH)6 · 3H2O
Linarite7.BC.65PbCu(SO4)(OH)2
Serpierite7.DD.30Ca(Cu,Zn)4(SO4)2(OH)6 · 3H2O
Stolzite ?7.GA.05Pb(WO4)
Wulfenite7.GA.05Pb(MoO4)
Group 8 - Phosphates, Arsenates and Vanadates
Erythrite8.CE.40Co3(AsO4)2 · 8H2O
Pyromorphite8.BN.05Pb5(PO4)3Cl
Group 9 - Silicates
Clinochlore9.EC.55Mg5Al(AlSi3O10)(OH)8
Cordierite9.CJ.10(Mg,Fe)2Al3(AlSi5O18)
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
var: Illite9.EC.15K0.65Al2.0[Al0.65Si3.35O10](OH)2
Unclassified Minerals, Rocks, etc.
Chlorite Group-
Psilomelane-
Tourmaline-A(D3)G6(T6O18)(BO3)3X3Z

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Silver1.1.1.2Ag
Semi-metals and non-metals
Antimony1.3.1.2Sb
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 2:1
Acanthite2.4.1.1Ag2S
AmXp, with m:p = 1:1
Galena2.8.1.1PbS
Sphalerite2.8.2.1ZnS
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 1:2
Arsenopyrite2.12.4.1FeAsS
Marcasite2.12.2.1FeS2
Pyrite2.12.1.1FeS2
Skutterudite2.12.17.1CoAs3
Group 3 - SULFOSALTS
ø = 3
Bournonite3.4.3.2PbCuSbS3
Group 4 - SIMPLE OXIDES
A2X
Cuprite4.1.1.1Cu2O
A2X3
Hematite4.3.1.2Fe2O3
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
XO(OH)
Goethite6.1.1.2α-Fe3+O(OH)
Manganite6.1.3.1Mn3+O(OH)
Group 9 - NORMAL HALIDES
AX2
Fluorite9.2.1.1CaF2
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Cerussite14.1.3.4PbCO3
Siderite14.1.1.3FeCO3
AB(XO3)2
Ankerite14.2.1.2Ca(Fe2+,Mg)(CO3)2
Dolomite14.2.1.1CaMg(CO3)2
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Malachite16a.3.1.1Cu2(CO3)(OH)2
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Anglesite28.3.1.3PbSO4
Baryte28.3.1.1BaSO4
Group 30 - ANHYDROUS SULFATES CONTAINING HYDROXYL OR HALOGEN
(AB)m(XO4)pZq, where m:p>2:1
Brochantite30.1.3.1Cu4(SO4)(OH)6
(AB)2(XO4)Zq
Linarite30.2.3.1PbCu(SO4)(OH)2
Group 31 - HYDRATED SULFATES CONTAINING HYDROXYL OR HALOGEN
(AB)4(XO4)Zq·xH2O
Langite31.4.3.1Cu4(SO4)(OH)6 · 2H2O
(AB)5(XO4)2Zq·xH2O
Lautenthalite31.6.1.2PbCu4(SO4)2(OH)6 · 3H2O
Serpierite31.6.2.1Ca(Cu,Zn)4(SO4)2(OH)6 · 3H2O
Group 40 - HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
A3(XO4)2·xH2O
Erythrite40.3.6.3Co3(AsO4)2 · 8H2O
Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
A5(XO4)3Zq
Pyromorphite41.8.4.1Pb5(PO4)3Cl
Group 48 - ANHYDROUS MOLYBDATES AND TUNGSTATES
AXO4
Stolzite ?48.1.3.2Pb(WO4)
Wulfenite48.1.3.1Pb(MoO4)
Group 61 - CYCLOSILICATES Six-Membered Rings
Six-Membered Rings with Al substituted rings
Cordierite61.2.1.1(Mg,Fe)2Al3(AlSi5O18)
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
var: Illite71.2.2d.2K0.65Al2.0[Al0.65Si3.35O10](OH)2
Sheets of 6-membered rings interlayered 1:1, 2:1, and octahedra
Clinochlore71.4.1.4Mg5Al(AlSi3O10)(OH)8
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Rocks, etc.
'Chlorite Group'-
'Psilomelane'-
Quartz
var: Chalcedony
-SiO2
'Tourmaline'-A(D3)G6(T6O18)(BO3)3X3Z

List of minerals for each chemical element

HHydrogen
H BrochantiteCu4(SO4)(OH)6
H ClinochloreMg5Al(AlSi3O10)(OH)8
H ErythriteCo3(AsO4)2 · 8H2O
H Goethiteα-Fe3+O(OH)
H Muscovite (var: Illite)K0.65Al2.0[Al0.65Si3.35O10](OH)2
H LangiteCu4(SO4)(OH)6 · 2H2O
H LautenthalitePbCu4(SO4)2(OH)6 · 3H2O
H LinaritePbCu(SO4)(OH)2
H MalachiteCu2(CO3)(OH)2
H ManganiteMn3+O(OH)
H MuscoviteKAl2(AlSi3O10)(OH)2
H SerpieriteCa(Cu,Zn)4(SO4)2(OH)6 · 3H2O
BBoron
B TourmalineA(D3)G6(T6O18)(BO3)3X3Z
CCarbon
C AnkeriteCa(Fe2+,Mg)(CO3)2
C CalciteCaCO3
C CerussitePbCO3
C DolomiteCaMg(CO3)2
C MalachiteCu2(CO3)(OH)2
C SideriteFeCO3
OOxygen
O AnglesitePbSO4
O AnkeriteCa(Fe2+,Mg)(CO3)2
O BaryteBaSO4
O BrochantiteCu4(SO4)(OH)6
O CalciteCaCO3
O CerussitePbCO3
O Quartz (var: Chalcedony)SiO2
O ClinochloreMg5Al(AlSi3O10)(OH)8
O Cordierite(Mg,Fe)2Al3(AlSi5O18)
O CupriteCu2O
O DolomiteCaMg(CO3)2
O ErythriteCo3(AsO4)2 · 8H2O
O Goethiteα-Fe3+O(OH)
O HematiteFe2O3
O Muscovite (var: Illite)K0.65Al2.0[Al0.65Si3.35O10](OH)2
O LangiteCu4(SO4)(OH)6 · 2H2O
O LautenthalitePbCu4(SO4)2(OH)6 · 3H2O
O LinaritePbCu(SO4)(OH)2
O MalachiteCu2(CO3)(OH)2
O ManganiteMn3+O(OH)
O MuscoviteKAl2(AlSi3O10)(OH)2
O PyromorphitePb5(PO4)3Cl
O QuartzSiO2
O SerpieriteCa(Cu,Zn)4(SO4)2(OH)6 · 3H2O
O SideriteFeCO3
O StolzitePb(WO4)
O TourmalineA(D3)G6(T6O18)(BO3)3X3Z
O WulfenitePb(MoO4)
FFluorine
F FluoriteCaF2
MgMagnesium
Mg AnkeriteCa(Fe2+,Mg)(CO3)2
Mg ClinochloreMg5Al(AlSi3O10)(OH)8
Mg Cordierite(Mg,Fe)2Al3(AlSi5O18)
Mg DolomiteCaMg(CO3)2
AlAluminium
Al ClinochloreMg5Al(AlSi3O10)(OH)8
Al Cordierite(Mg,Fe)2Al3(AlSi5O18)
Al Muscovite (var: Illite)K0.65Al2.0[Al0.65Si3.35O10](OH)2
Al MuscoviteKAl2(AlSi3O10)(OH)2
SiSilicon
Si Quartz (var: Chalcedony)SiO2
Si ClinochloreMg5Al(AlSi3O10)(OH)8
Si Cordierite(Mg,Fe)2Al3(AlSi5O18)
Si Muscovite (var: Illite)K0.65Al2.0[Al0.65Si3.35O10](OH)2
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si QuartzSiO2
PPhosphorus
P PyromorphitePb5(PO4)3Cl
SSulfur
S AcanthiteAg2S
S AnglesitePbSO4
S ArsenopyriteFeAsS
S BaryteBaSO4
S BournonitePbCuSbS3
S BrochantiteCu4(SO4)(OH)6
S ChalcopyriteCuFeS2
S GalenaPbS
S LangiteCu4(SO4)(OH)6 · 2H2O
S LautenthalitePbCu4(SO4)2(OH)6 · 3H2O
S LinaritePbCu(SO4)(OH)2
S MarcasiteFeS2
S PyriteFeS2
S SerpieriteCa(Cu,Zn)4(SO4)2(OH)6 · 3H2O
S SphaleriteZnS
ClChlorine
Cl PyromorphitePb5(PO4)3Cl
KPotassium
K Muscovite (var: Illite)K0.65Al2.0[Al0.65Si3.35O10](OH)2
K MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Ca AnkeriteCa(Fe2+,Mg)(CO3)2
Ca CalciteCaCO3
Ca DolomiteCaMg(CO3)2
Ca FluoriteCaF2
Ca SerpieriteCa(Cu,Zn)4(SO4)2(OH)6 · 3H2O
MnManganese
Mn ManganiteMn3+O(OH)
FeIron
Fe AnkeriteCa(Fe2+,Mg)(CO3)2
Fe ArsenopyriteFeAsS
Fe ChalcopyriteCuFeS2
Fe Cordierite(Mg,Fe)2Al3(AlSi5O18)
Fe Goethiteα-Fe3+O(OH)
Fe HematiteFe2O3
Fe MarcasiteFeS2
Fe PyriteFeS2
Fe SideriteFeCO3
CoCobalt
Co ErythriteCo3(AsO4)2 · 8H2O
Co SkutteruditeCoAs3
CuCopper
Cu BournonitePbCuSbS3
Cu BrochantiteCu4(SO4)(OH)6
Cu ChalcopyriteCuFeS2
Cu CupriteCu2O
Cu LangiteCu4(SO4)(OH)6 · 2H2O
Cu LautenthalitePbCu4(SO4)2(OH)6 · 3H2O
Cu LinaritePbCu(SO4)(OH)2
Cu MalachiteCu2(CO3)(OH)2
Cu SerpieriteCa(Cu,Zn)4(SO4)2(OH)6 · 3H2O
ZnZinc
Zn SerpieriteCa(Cu,Zn)4(SO4)2(OH)6 · 3H2O
Zn SphaleriteZnS
AsArsenic
As ArsenopyriteFeAsS
As ErythriteCo3(AsO4)2 · 8H2O
As SkutteruditeCoAs3
MoMolybdenum
Mo WulfenitePb(MoO4)
AgSilver
Ag AcanthiteAg2S
Ag SilverAg
SbAntimony
Sb AntimonySb
Sb BournonitePbCuSbS3
BaBarium
Ba BaryteBaSO4
WTungsten
W StolzitePb(WO4)
PbLead
Pb AnglesitePbSO4
Pb BournonitePbCuSbS3
Pb CerussitePbCO3
Pb GalenaPbS
Pb LautenthalitePbCu4(SO4)2(OH)6 · 3H2O
Pb LinaritePbCu(SO4)(OH)2
Pb PyromorphitePb5(PO4)3Cl
Pb StolzitePb(WO4)
Pb WulfenitePb(MoO4)

Geochronology

Mineralization age: Paleozoic : 367 Ma to 349 Ma

Important note: This table is based only on rock and mineral ages recorded below and is not necessarily a complete representation of the geochronology, but does give an indication of possible mineralization events relevant to this locality. As more age information is added this table may expand in the future. A break in the table simply indicates a lack of data entered here, not necessarily a break in the geologic sequence. Grey background entries are from different, related, localities.

Geologic TimeRocks, Minerals and Events
Phanerozoic
 Paleozoic
  Carboniferous
   Mississippian
ⓘ Illite (youngest age)349 Ma
  Devonian
   Late Devonian
ⓘ Illite (oldest age)367 Ma

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

Ordovician
443.8 - 485.4 Ma



ID: 2033347
Ordovician Rocks (Undifferentiated)

Age: Ordovician (443.8 - 485.4 Ma)

Lithology: Mudstone, siltstone and sandstone

Reference: British Geological Survey. DiGMapGB-625. British Geological Survey ©NERC. [23]

Ordovician
443.8 - 485.4 Ma



ID: 3187232
Paleozoic volcanic rocks

Age: Ordovician (443.8 - 485.4 Ma)

Lithology: Strataform assemblage(s); intermediate 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]

Early Ordovician
470 - 485.4 Ma



ID: 3157764
Early Ordovician limestone

Age: Early Ordovician (470 - 485.4 Ma)

Lithology: Major:{limestone}, Minor{sandstone,siltstone}

Reference: Asch, K. The 1:5M International Geological Map of Europe and Adjacent Areas: Development and Implementation of a GIS-enabled Concept. Geologisches Jahrbuch, SA 3. [147]

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

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Palache, C., Berman, H., and Frondel, C. (1951) The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 1088.
Kingsbury, A.W.G. and Hartley, J. (1957) New occurrences of arseniosiderite. Mineralogical Magazine, 31(237), 499-500 (referring to erythrite from Force Crag).
Freeman, F.J.B. (1982) The geology and geochemistry of Force Crag Mine, Cumbria. Unpublished MSc thesis, Camborne School of Mines.
Young, B. and Cooper, A.H. (1988) The Geology and Mineralisation of Force Crag Mine, Cumbria. Proceedings of the Cumberland Geological Society, 5(1), 5-11.
Green, D.I., McCallum, D., and Wood, M. (1997) Supergene Cu, Pb, Zn and Ag Minerals from Force Crag Mine, Coledale, Cumbria. UK Journal of Mines & Minerals, 18, 10-14.

External Links



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