| โ Acanthite Formula: Ag2S |
| โ Actinolite Formula: โปCa2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 Localities: Flambeau Mine, Ladysmith, Rusk County, Wisconsin, USALynne deposit, Oneida County, Wisconsin, USARitchie Creek deposit, Ritchie Creek, Spirit, Price County, Wisconsin, USAPelican River deposit, Oneida County, Wisconsin, USAEisenbrey deposit (Thornapple deposit), Rusk County, Wisconsin, USA |
| โ Albite Formula: Na(AlSi3O8) |
| โ Almandine Formula: Fe2+3Al2(SiO4)3 References: May, E. (1996) Eisenbrey: a structurally complex Proterozoic copper-zinc massive sulfide deposit, Rusk County, Wisconsin: in Berge, G. L., Ed., 1996, Volcanogenic massive sulfide deposits of northern Wisconsin: A commemorative volume: Institute on Lake Superior Geology Proceedings, 42nd Annual Meeting, Cable, WI, v. 42, part 2: 107-128. |
| โ Altaite Formula: PbTe |
| โ Alunite Formula: KAl3(SO4)2(OH)6 |
| โ Andalusite Formula: Al2(SiO4)O |
| โ Andalusite var. Chiastolite Formula: Al2(SiO4)O References: Lodge, Robert W.D., Zens, Zacharie A., Jacobson, Regan E., Leybourne, Matthew I. (2024) Geology and Lithogeochemistry of the Paleoproterozoic Flambeau Cu-Zn-Au Volcanogenic Massive Sulfide Deposit, Wisconsin, USA. Economic Geology, 119 (1) 23-44 doi:10.5382/econgeo.5039 |
| โ Anhydrite Formula: CaSO4 References: May, E. (1996) Eisenbrey: a structurally complex Proterozoic copper-zinc massive sulfide deposit, Rusk County, Wisconsin: in Berge, G. L., Ed., 1996, Volcanogenic massive sulfide deposits of northern Wisconsin: A commemorative volume: Institute on Lake Superior Geology Proceedings, 42nd Annual Meeting, Cable, WI, v. 42, part 2: 107-128. |
| โ Ankerite Formula: Ca(Fe2+,Mg)(CO3)2 |
| โ Anthophyllite Formula: โป{Mg2}{Mg5}(Si8O22)(OH)2 |
| โ Antigorite Formula: Mg3(Si2O5)(OH)4 References: May, E. (1996) Eisenbrey: a structurally complex Proterozoic copper-zinc massive sulfide deposit, Rusk County, Wisconsin: in Berge, G. L., Ed., 1996, Volcanogenic massive sulfide deposits of northern Wisconsin: A commemorative volume: Institute on Lake Superior Geology Proceedings, 42nd Annual Meeting, Cable, WI, v. 42, part 2: 107-128. |
| โ 'Apatite' Formula: Ca5(PO4)3(Cl/F/OH) |
| โ 'Apatite var. Carbonate-rich Apatite' Formula: Ca5(PO4)3(Cl/F/OH) |
| โ Aragonite Formula: CaCO3 |
| โ Arsenopyrite Formula: FeAsS Localities: Flambeau Mine, Ladysmith, Rusk County, Wisconsin, USACrandon massive sulfide deposit (Little Sand Lake Deposit; Crandon Project; Exxon Deposit), Little Sand Lake, Forest County, Wisconsin, USAPelican River deposit, Oneida County, Wisconsin, USA |
| โ Augite Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| โ Aurichalcite Formula: (Zn,Cu)5(CO3)2(OH)6 |
| โ Azurite Formula: Cu3(CO3)2(OH)2 |
| โ Baryte Formula: BaSO4 |
| โ Beaverite-(Cu) Formula: Pb(Fe3+2Cu)(SO4)2(OH)6 |
| โ 'Biotite' Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 Localities: Flambeau Mine, Ladysmith, Rusk County, Wisconsin, USARitchie Creek deposit, Ritchie Creek, Spirit, Price County, Wisconsin, USAPelican River deposit, Oneida County, Wisconsin, USAEisenbrey deposit (Thornapple deposit), Rusk County, Wisconsin, USA |
| โ Bornite Formula: Cu5FeS4 Localities: Flambeau Mine, Ladysmith, Rusk County, Wisconsin, USARitchie Creek deposit, Ritchie Creek, Spirit, Price County, Wisconsin, USACrandon massive sulfide deposit (Little Sand Lake Deposit; Crandon Project; Exxon Deposit), Little Sand Lake, Forest County, Wisconsin, USA |
| โ Calcite Formula: CaCO3 Localities: Flambeau Mine, Ladysmith, Rusk County, Wisconsin, USALynne deposit, Oneida County, Wisconsin, USACrandon massive sulfide deposit (Little Sand Lake Deposit; Crandon Project; Exxon Deposit), Little Sand Lake, Forest County, Wisconsin, USAPelican River deposit, Oneida County, Wisconsin, USAEisenbrey deposit (Thornapple deposit), Rusk County, Wisconsin, USA |
| โ Carrollite ? Formula: CuCo2S4 |
| โ Chalcanthite Formula: CuSO4 ยท 5H2O |
| โ Chalcocite Formula: Cu2S Localities: Flambeau Mine, Ladysmith, Rusk County, Wisconsin, USARitchie Creek deposit, Ritchie Creek, Spirit, Price County, Wisconsin, USACrandon massive sulfide deposit (Little Sand Lake Deposit; Crandon Project; Exxon Deposit), Little Sand Lake, Forest County, Wisconsin, USAHawk prospect, Lincoln County, Wisconsin, USA Habit: Iridescent tabular crystals and groups, often in pseudo hexagonal twins. Also stalactitic and massive "sooty". Colour: Grey with iridescent coatings |
| โ Chalcopyrite Formula: CuFeS2 Localities: Reported from at least 9 localities in this region. |
โ 'Chlorite Group'Localities: Reported from at least 6 localities in this region. |
| โ Chloritoid Formula: Fe2+Al2O(SiO4)(OH)2 |
| โ Chrysocolla Formula: Cu2-xAlx(H2-xSi2O5)(OH)4 ยท nH2O, x < 1 |
| โ Cinnabar Formula: HgS |
| โ Clinozoisite Formula: (CaCa)(AlAlAl)O[Si2O7][SiO4](OH) |
| โ Cordierite Formula: Mg2Al4Si5O18 |
| โ Covellite Formula: CuS Localities: Crandon massive sulfide deposit (Little Sand Lake Deposit; Crandon Project; Exxon Deposit), Little Sand Lake, Forest County, Wisconsin, USAHawk prospect, Lincoln County, Wisconsin, USAFlambeau Mine, Ladysmith, Rusk County, Wisconsin, USA ? (more information) |
| โ Crandallite Formula: CaAl3(PO4)(PO3OH)(OH)6 |
| โ Cubanite ? Formula: CuFe2S3 |
| โ Cummingtonite Formula: โป{Mg2}{Mg5}(Si8O22)(OH)2 References: Adams, G. (1996) Geology of the Lynne base metal deposit, north-central Wisconsin, U.S.A. in LaBerge, G. L., Ed., Volcanogenic massive sulfide deposits of northern Wisconsin: A commemorative volume: Institute on Lake Superior Geology Proceedings, 42nd Annual Meeting, Cable, WI, v. 42, part 2: 161- 179. |
| โ Cuprite Formula: Cu2O |
| โ Cuprite var. Chalcotrichite Formula: Cu2O |
| โ Digenite Formula: Cu9S5 |
| โ Diopside Formula: CaMgSi2O6 |
| โ Dolomite Formula: CaMg(CO3)2 Localities: Flambeau Mine, Ladysmith, Rusk County, Wisconsin, USALynne deposit, Oneida County, Wisconsin, USACrandon massive sulfide deposit (Little Sand Lake Deposit; Crandon Project; Exxon Deposit), Little Sand Lake, Forest County, Wisconsin, USAEisenbrey deposit (Thornapple deposit), Rusk County, Wisconsin, USA |
| โ Dyscrasite Formula: Ag3Sb References: Adams, G. (1996) Geology of the Lynne base metal deposit, north-central Wisconsin, U.S.A. in LaBerge, G. L., Ed., Volcanogenic massive sulfide deposits of northern Wisconsin: A commemorative volume: Institute on Lake Superior Geology Proceedings, 42nd Annual Meeting, Cable, WI, v. 42, part 2: 161- 179. |
| โ Dzhalindite Formula: In(OH)3 |
| โ Empressite Formula: AgTe |
| โ Enargite Formula: Cu3AsS4 |
| โ Epidote Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) Localities: Lynne deposit, Oneida County, Wisconsin, USACrandon massive sulfide deposit (Little Sand Lake Deposit; Crandon Project; Exxon Deposit), Little Sand Lake, Forest County, Wisconsin, USAPelican River deposit, Oneida County, Wisconsin, USAEisenbrey deposit (Thornapple deposit), Rusk County, Wisconsin, USA |
| โ 'Fayalite-Forsterite Series' |
| โ Ferristrunzite Formula: Fe3+Fe3+2(PO4)2(OH)3 ยท 5H2O |
| โ Fluorite Formula: CaF2 |
| โ Forsterite Formula: Mg2SiO4 References: May, E. (1996) Eisenbrey: a structurally complex Proterozoic copper-zinc massive sulfide deposit, Rusk County, Wisconsin: in Berge, G. L., Ed., 1996, Volcanogenic massive sulfide deposits of northern Wisconsin: A commemorative volume: Institute on Lake Superior Geology Proceedings, 42nd Annual Meeting, Cable, WI, v. 42, part 2: 107-128. |
| โ 'Freibergite Subgroup' Formula: (Ag6,[Ag6]4+)(Cu4 C2+2)Sb4S12S0-1 |
| โ Gahnite Formula: ZnAl2O4 |
| โ Galena Formula: PbS Localities: Reported from at least 7 localities in this region. |
| โ Galena var. Silver-bearing Galena Formula: PbS with Ag References: Adams, G. (1996) Geology of the Lynne base metal deposit, north-central Wisconsin, U.S.A. in LaBerge, G. L., Ed., Volcanogenic massive sulfide deposits of northern Wisconsin: A commemorative volume: Institute on Lake Superior Geology Proceedings, 42nd Annual Meeting, Cable, WI, v. 42, part 2: 161- 179. |
| โ 'Garnet Group' Formula: X3Z2(SiO4)3 Localities: Lynne deposit, Oneida County, Wisconsin, USARitchie Creek deposit, Ritchie Creek, Spirit, Price County, Wisconsin, USAEisenbrey deposit (Thornapple deposit), Rusk County, Wisconsin, USA |
| โ Glaucodot Formula: (Co0.50Fe0.50)AsS |
| โ Goethite Formula: Fe3+O(OH) |
| โ Graphite Formula: C |
| โ Grossular Formula: Ca3Al2(SiO4)3 |
| โ Grunerite ? Formula: โป{Fe2+2}{Fe2+5}(Si8O22)(OH)2 References: May, E. (1996) Eisenbrey: a structurally complex Proterozoic copper-zinc massive sulfide deposit, Rusk County, Wisconsin: in Berge, G. L., Ed., 1996, Volcanogenic massive sulfide deposits of northern Wisconsin: A commemorative volume: Institute on Lake Superior Geology Proceedings, 42nd Annual Meeting, Cable, WI, v. 42, part 2: 107-128. |
| โ Gypsum Formula: CaSO4 ยท 2H2O |
| โ Halotrichite Formula: FeAl2(SO4)4 ยท 22H2O |
| โ Hematite Formula: Fe2O3 |
| โ Hessite Formula: Ag2Te |
| โ Hidalgoite Formula: PbAl3(AsO4)(SO4)(OH)6 |
| โ 'Hornblende Root Name Group' Formula: โปCa2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2 |
| โ Hydromagnesite Formula: Mg5(CO3)4(OH)2 ยท 4H2O References: Adams, G. (1996) Geology of the Lynne base metal deposit, north-central Wisconsin, U.S.A. in LaBerge, G. L., Ed., Volcanogenic massive sulfide deposits of northern Wisconsin: A commemorative volume: Institute on Lake Superior Geology Proceedings, 42nd Annual Meeting, Cable, WI, v. 42, part 2: 161- 179. |
| โ 'Iddingsite' |
| โ Ilmenite Formula: Fe2+TiO3 References: May, E. (1996) Eisenbrey: a structurally complex Proterozoic copper-zinc massive sulfide deposit, Rusk County, Wisconsin: in Berge, G. L., Ed., 1996, Volcanogenic massive sulfide deposits of northern Wisconsin: A commemorative volume: Institute on Lake Superior Geology Proceedings, 42nd Annual Meeting, Cable, WI, v. 42, part 2: 107-128. |
| โ Jarosite ? Formula: KFe3+3(SO4)2(OH)6 |
| โ Kaolinite Formula: Al2(Si2O5)(OH)4 |
| โ Kemmlitzite Formula: SrAl3(AsO4)(SO4)(OH)6 |
โ 'K Feldspar'References: Lodge, Robert W.D., Zens, Zacharie A., Jacobson, Regan E., Leybourne, Matthew I. (2024) Geology and Lithogeochemistry of the Paleoproterozoic Flambeau Cu-Zn-Au Volcanogenic Massive Sulfide Deposit, Wisconsin, USA. Economic Geology, 119 (1) 23-44 doi:10.5382/econgeo.5039 |
| โ Kolbeckite Formula: ScPO4 ยท 2H2O |
| โ Leucophosphite Formula: KFe3+2(PO4)2(OH) ยท 2H2O |
| โ Magnetite Formula: Fe2+Fe3+2O4 Localities: Reported from at least 6 localities in this region. |
| โ Malachite Formula: Cu2(CO3)(OH)2 |
| โ Marcasite Formula: FeS2 Localities: Flambeau Mine, Ladysmith, Rusk County, Wisconsin, USACrandon massive sulfide deposit (Little Sand Lake Deposit; Crandon Project; Exxon Deposit), Little Sand Lake, Forest County, Wisconsin, USAPelican River deposit, Oneida County, Wisconsin, USA |
| โ Metavivianite Formula: Fe2+Fe3+2(PO4)2(OH)2 ยท 6H2O |
| โ Montmorillonite Formula: (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 ยท nH2O |
| โ Muscovite Formula: KAl2(AlSi3O10)(OH)2 Localities: Flambeau Mine, Ladysmith, Rusk County, Wisconsin, USALynne deposit, Oneida County, Wisconsin, USARitchie Creek deposit, Ritchie Creek, Spirit, Price County, Wisconsin, USACrandon massive sulfide deposit (Little Sand Lake Deposit; Crandon Project; Exxon Deposit), Little Sand Lake, Forest County, Wisconsin, USAEisenbrey deposit (Thornapple deposit), Rusk County, Wisconsin, USA |
| โ Muscovite var. Illite Formula: K0.65Al2.0[Al0.65Si3.35O10](OH)2 |
| โ Muscovite var. Sericite Formula: KAl2(AlSi3O10)(OH)2 Localities: Flambeau Mine, Ladysmith, Rusk County, Wisconsin, USARitchie Creek deposit, Ritchie Creek, Spirit, Price County, Wisconsin, USACrandon massive sulfide deposit (Little Sand Lake Deposit; Crandon Project; Exxon Deposit), Little Sand Lake, Forest County, Wisconsin, USAEisenbrey deposit (Thornapple deposit), Rusk County, Wisconsin, USA |
| โ Native Copper Formula: Cu |
| โ Native Gold Formula: Au Localities: Reported from at least 6 localities in this region. |
| โ Native Gold var. Electrum Formula: (Au,Ag) Localities: Lynne deposit, Oneida County, Wisconsin, USARitchie Creek deposit, Ritchie Creek, Spirit, Price County, Wisconsin, USACrandon massive sulfide deposit (Little Sand Lake Deposit; Crandon Project; Exxon Deposit), Little Sand Lake, Forest County, Wisconsin, USAHawk prospect, Lincoln County, Wisconsin, USA |
| โ Native Silver Formula: Ag Localities: Flambeau Mine, Ladysmith, Rusk County, Wisconsin, USALynne deposit, Oneida County, Wisconsin, USACrandon massive sulfide deposit (Little Sand Lake Deposit; Crandon Project; Exxon Deposit), Little Sand Lake, Forest County, Wisconsin, USAHorseshoe prospect, Lincoln County, Wisconsin, USA |
| โ Orthoclase Formula: K(AlSi3O8) |
| โ Osarizawaite Formula: Pb(Al2Cu2+)(SO4)2(OH)6 |
| โ Pearceite ? Formula: [Ag6As2S7][Ag9CuS4] |
| โ Petzite Formula: Ag3AuTe2 |
| โ Phlogopite Formula: KMg3(AlSi3O10)(OH)2 References: Adams, G. (1996) Geology of the Lynne base metal deposit, north-central Wisconsin, U.S.A. in LaBerge, G. L., Ed., Volcanogenic massive sulfide deposits of northern Wisconsin: A commemorative volume: Institute on Lake Superior Geology Proceedings, 42nd Annual Meeting, Cable, WI, v. 42, part 2: 161- 179. |
| โ 'Plagioclase' Formula: (Na,Ca)[(Si,Al)AlSi2]O8 |
| โ Plumbogummite Formula: PbAl3(PO4)(PO3OH)(OH)6 |
| โ Polybasite Formula: [Ag6Sb2S7][Ag9CuS4] Localities: Lynne deposit, Oneida County, Wisconsin, USAHorseshoe prospect, Lincoln County, Wisconsin, USACrandon massive sulfide deposit (Little Sand Lake Deposit; Crandon Project; Exxon Deposit), Little Sand Lake, Forest County, Wisconsin, USA ? (more information) |
| โ Pseudomalachite Formula: Cu5(PO4)2(OH)4 |
| โ Pyrargyrite Formula: Ag3SbS3 References: Adams, G. (1996) Geology of the Lynne base metal deposit, north-central Wisconsin, U.S.A. in LaBerge, G. L., Ed., Volcanogenic massive sulfide deposits of northern Wisconsin: A commemorative volume: Institute on Lake Superior Geology Proceedings, 42nd Annual Meeting, Cable, WI, v. 42, part 2: 161- 179. |
| โ Pyrite Formula: FeS2 Localities: Reported from at least 8 localities in this region. |
| โ Pyrophyllite Formula: Al2Si4O10(OH)2 References: Lodge, Robert W.D., Zens, Zacharie A., Jacobson, Regan E., Leybourne, Matthew I. (2024) Geology and Lithogeochemistry of the Paleoproterozoic Flambeau Cu-Zn-Au Volcanogenic Massive Sulfide Deposit, Wisconsin, USA. Economic Geology, 119 (1) 23-44 doi:10.5382/econgeo.5039 |
| โ Pyrrhotite Formula: Fe1-xS Localities: Reported from at least 9 localities in this region. |
| โ Quartz Formula: SiO2 Localities: Reported from at least 6 localities in this region. |
| โ Rosasite Formula: (Cu,Zn)2(CO3)(OH)2 |
| โ Rutile Formula: TiO2 |
| โ 'Scapolite' |
| โ 'Serpentine Subgroup' Formula: D3[Si2O5](OH)4 References: Adams, G. (1996) Geology of the Lynne base metal deposit, north-central Wisconsin, U.S.A. in LaBerge, G. L., Ed., Volcanogenic massive sulfide deposits of northern Wisconsin: A commemorative volume: Institute on Lake Superior Geology Proceedings, 42nd Annual Meeting, Cable, WI, v. 42, part 2: 161- 179. |
| โ Siderite Formula: FeCO3 |
| โ Spessartine Formula: Mn2+3Al2(SiO4)3 References: Lodge, Robert W.D., Zens, Zacharie A., Jacobson, Regan E., Leybourne, Matthew I. (2024) Geology and Lithogeochemistry of the Paleoproterozoic Flambeau Cu-Zn-Au Volcanogenic Massive Sulfide Deposit, Wisconsin, USA. Economic Geology, 119 (1) 23-44 doi:10.5382/econgeo.5039 |
| โ Sphalerite Formula: ZnS Localities: Reported from at least 9 localities in this region. |
| โ Stephanite Formula: Ag5SbS4 Description: Inclusions in galena |
| โ Stilpnomelane Formula: (K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36 ยท nH2O |
| โ Talc Formula: Mg3Si4O10(OH)2 References: Adams, G. (1996) Geology of the Lynne base metal deposit, north-central Wisconsin, U.S.A. in LaBerge, G. L., Ed., Volcanogenic massive sulfide deposits of northern Wisconsin: A commemorative volume: Institute on Lake Superior Geology Proceedings, 42nd Annual Meeting, Cable, WI, v. 42, part 2: 161- 179. |
| โ 'Tennantite Subgroup' Formula: Cu6(Cu4C2+2)As4S12S Localities: Flambeau Mine, Ladysmith, Rusk County, Wisconsin, USARitchie Creek deposit, Ritchie Creek, Spirit, Price County, Wisconsin, USACrandon massive sulfide deposit (Little Sand Lake Deposit; Crandon Project; Exxon Deposit), Little Sand Lake, Forest County, Wisconsin, USA ? (more information) |
| โ Tenorite Formula: CuO |
| โ 'Tetrahedrite Subgroup' Formula: Cu6(Cu4C2+2)Sb4S12S Localities: Lynne deposit, Oneida County, Wisconsin, USARitchie Creek deposit, Ritchie Creek, Spirit, Price County, Wisconsin, USAPelican River deposit, Oneida County, Wisconsin, USAHawk prospect, Lincoln County, Wisconsin, USACrandon massive sulfide deposit (Little Sand Lake Deposit; Crandon Project; Exxon Deposit), Little Sand Lake, Forest County, Wisconsin, USA ? (more information) |
| โ Titanite Formula: CaTi(SiO4)O References: May, E. (1996) Eisenbrey: a structurally complex Proterozoic copper-zinc massive sulfide deposit, Rusk County, Wisconsin: in Berge, G. L., Ed., 1996, Volcanogenic massive sulfide deposits of northern Wisconsin: A commemorative volume: Institute on Lake Superior Geology Proceedings, 42nd Annual Meeting, Cable, WI, v. 42, part 2: 107-128. |
| โ 'Tourmaline' Formula: AD3G6(T6O18)(BO3)3X3Z References: Adams, G. (1996) Geology of the Lynne base metal deposit, north-central Wisconsin, U.S.A. in LaBerge, G. L., Ed., Volcanogenic massive sulfide deposits of northern Wisconsin: A commemorative volume: Institute on Lake Superior Geology Proceedings, 42nd Annual Meeting, Cable, WI, v. 42, part 2: 161- 179. |
| โ Tremolite Formula: โปCa2Mg5(Si8O22)(OH)2 |
| โ Vivianite Formula: Fe2+Fe2+2(PO4)2 ยท 8H2O |
โ 'White mica'References: Lodge, Robert W.D., Zens, Zacharie A., Jacobson, Regan E., Leybourne, Matthew I. (2024) Geology and Lithogeochemistry of the Paleoproterozoic Flambeau Cu-Zn-Au Volcanogenic Massive Sulfide Deposit, Wisconsin, USA. Economic Geology, 119 (1) 23-44 doi:10.5382/econgeo.5039 |