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San Benedetto Mine, Iglesias, Carbonia-Iglesias Province, Sardinia, Italyi
Regional Level Types
San Benedetto MineMine
Iglesias- not defined -
Carbonia-Iglesias ProvinceProvince
SardiniaAutonomous Region
ItalyCountry

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Key
Latitude & Longitude (WGS84):
39° 21' 47'' North , 8° 31' 33'' East
Latitude & Longitude (decimal):
Locality type:
Nearest Settlements:
PlacePopulationDistance
Iglesias22,659 (2018)6.1km
Monte Figu392 (2018)7.6km
Bindua418 (2018)8.4km
Fluminimaggiore2,812 (2018)8.8km
Nebida924 (2018)9.3km
Name(s) in local language(s):
Miniera San Benedetto, Iglesias, Carbonia-Iglesias, Sardegna, Italia


This mine is interesting for the occurrence of gaspéite. The San Benedetto Mine ore bodies are massive and not concordant with embedding rocks.

The minerals are mainly Zn carbonates and Fe hydroxides. The main ores are found from around 50 m depth from this alteration area but are still present at 200 m of depth. Between the sphalerite and galena, there are considerable masses of oxides, in which cavities gaspéite has been found as well.

The mine was part of the Belgian Vieille-Montagne group from 1872 to 1941.



In 1869 the mine was discovered by Ing. Leone Gouin who started the exploitation of this silver-containing galena and calamine deposit. He built a mechanical preparation workshop, a railway line, and 5 calcination furnaces. In 1872 the concession was taken over by the Belgian group Vieille Montagne. A village was built for the workers, as well as a production shaft and a drainage corridor. Vieille Montagne sold everything in 1941.

In 1941 the mine of San Benedetto and Coremò was taken over by the Società Anonima Nichelio and Metalli Nobili, belonging to the AMMI group.
After the Second World War, the concession passed to the SAPEZ, which invested in the modernization of the accommodations. The Zimmermann shaft was also modernized and deepened, the ore was sent to the washing plants of the Barraxiutta mine for flotation processing.

In 1990 followed the closure of the installations, although they still produced 200 tons of raw ore every day (with a high content of zinc).

Regions containing this locality

Eurasian PlateTectonic Plate
EuropeContinent

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


29 valid minerals.

Detailed Mineral List:

Anglesite
Formula: PbSO4
Reference: Stara, P., Rizzo, R., Tanca, G.A. (1996): Iglesiente e Arburese. Miniere e Minerali. Edito a cura dell'EMSA e "varie associazioni mineralogiche", Volume 1, 238 pp.
Baryte
Formula: BaSO4
Reference: Stara, P., Rizzo, R., Tanca, G.A. (1996): Iglesiente e Arburese. Miniere e Minerali. Edito a cura dell'EMSA e "varie associazioni mineralogiche", Volume 1, 238 pp.
'Bindheimite'
Formula: Pb2Sb2O6O
Reference: Stara, P., Rizzo, R., Tanca, G.A. (1996): Iglesiente e Arburese. Miniere e Minerali. Edito a cura dell'EMSA e "varie associazioni mineralogiche", Volume 1, 238 pp.
Breithauptite
Formula: NiSb
Reference: AA. VV., 1996. Collezionare minerali. Hobby & Work
Calcite
Formula: CaCO3
Reference: Stara, P., Rizzo, R., Tanca, G.A. (1996): Iglesiente e Arburese. Miniere e Minerali. Edito a cura dell'EMSA e "varie associazioni mineralogiche", Volume 1, 238 pp.
Cerussite
Formula: PbCO3
Reference: Stara, P., Rizzo, R., Tanca, G.A. (1996): Iglesiente e Arburese. Miniere e Minerali. Edito a cura dell'EMSA e "varie associazioni mineralogiche", Volume 1, 238 pp.
Chalcopyrite
Formula: CuFeS2
Reference: Stara, P., Rizzo, R., Tanca, G.A. (1996): Iglesiente e Arburese. Miniere e Minerali. Edito a cura dell'EMSA e "varie associazioni mineralogiche", Volume 1, 238 pp.
Cinnabar
Formula: HgS
Reference: Stara, P., Rizzo, R., Tanca, G.A. (1996): Iglesiente e Arburese. Miniere e Minerali. Edito a cura dell'EMSA e "varie associazioni mineralogiche", Volume 1, 238 pp.
Dolomite
Formula: CaMg(CO3)2
Reference: Stara, P., Rizzo, R., Tanca, G.A. (1996): Iglesiente e Arburese. Miniere e Minerali. Edito a cura dell'EMSA e "varie associazioni mineralogiche", Volume 1, 238 pp.
Dundasite
Formula: PbAl2(CO3)2(OH)4 · H2O
Reference: Stara, P., Rizzo, R., Tanca, G.A. (1996): Iglesiente e Arburese. Miniere e Minerali. Edito a cura dell'EMSA e "varie associazioni mineralogiche", Volume 1, 238 pp.
Galena
Formula: PbS
Reference: Ref. Cadorni E, Forti P., Perna G. (1986) - La gaspeite magnesifera della miniera di S. Benedetto (CA) - Riv. Miner. Ital., Milano, fasc. 2, 1986, pp. 62-67
Gaspéite
Formula: Ni(CO3)
Reference: Ref. Cadorni E, Forti P., Perna G. (1986) - La gaspeite magnesifera della miniera di S. Benedetto (CA) - Riv. Miner. Ital., Milano, fasc. 2, 1986, pp. 62-67
Goethite
Formula: α-Fe3+O(OH)
Reference: Stara, P., Rizzo, R., Tanca, G.A. (1996): Iglesiente e Arburese. Miniere e Minerali. Edito a cura dell'EMSA e "varie associazioni mineralogiche", Volume 1, 238 pp.
Greenockite
Formula: CdS
Reference: AA. VV., 1996. Collezionare minerali. Hobby & Work.
Gypsum
Formula: CaSO4 · 2H2O
Reference: Stara, P., Rizzo, R., Tanca, G.A. (1996): Iglesiente e Arburese. Miniere e Minerali. Edito a cura dell'EMSA e "varie associazioni mineralogiche", Volume 1, 238 pp.
Hemimorphite
Formula: Zn4Si2O7(OH)2 · H2O
Reference: JM Johannet collection, Collected by U. Ostan.
Hydrozincite
Formula: Zn5(CO3)2(OH)6
Reference: Stara, P., Rizzo, R., Tanca, G.A. (1996): Iglesiente e Arburese. Miniere e Minerali. Edito a cura dell'EMSA e "varie associazioni mineralogiche", Volume 1, 238 pp.
Leadhillite
Formula: Pb4(CO3)2(SO4)(OH)2
Reference: Stara, P., Rizzo, R., Tanca, G.A. (1996): Iglesiente e Arburese. Miniere e Minerali. Edito a cura dell'EMSA e "varie associazioni mineralogiche", Volume 1, 238 pp.
'Limonite'
Formula: (Fe,O,OH,H2O)
Reference: Ref. Cadorni E, Forti P., Perna G. (1986) - La gaspeite magnesifera della miniera di S. Benedetto (CA) - Riv. Miner. Ital., Milano, fasc. 2, 1986, pp. 62-67
Marcasite
Formula: FeS2
Reference: Stara, P., Rizzo, R., Tanca, G.A. (1996): Iglesiente e Arburese. Miniere e Minerali. Edito a cura dell'EMSA e "varie associazioni mineralogiche", Volume 1, 238 pp.
Millerite
Formula: NiS
Reference: Stara, P., Rizzo, R., Tanca, G.A. (1996): Iglesiente e Arburese. Miniere e Minerali. Edito a cura dell'EMSA e "varie associazioni mineralogiche", Volume 1, 238 pp.
Phosgenite
Formula: Pb2CO3Cl2
Reference: Stara, P., Rizzo, R., Tanca, G.A. (1996): Iglesiente e Arburese. Miniere e Minerali. Edito a cura dell'EMSA e "varie associazioni mineralogiche", Volume 1, 238 pp.
Pyrite
Formula: FeS2
Reference: Stara, P., Rizzo, R., Tanca, G.A. (1996): Iglesiente e Arburese. Miniere e Minerali. Edito a cura dell'EMSA e "varie associazioni mineralogiche", Volume 1, 238 pp.
Pyrrhotite
Formula: Fe7S8
Reference: Stara, P., Rizzo, R., Tanca, G.A. (1996): Iglesiente e Arburese. Miniere e Minerali. Edito a cura dell'EMSA e "varie associazioni mineralogiche", Volume 1, 238 pp.
Quartz
Formula: SiO2
Reference: Stara, P., Rizzo, R., Tanca, G.A. (1996): Iglesiente e Arburese. Miniere e Minerali. Edito a cura dell'EMSA e "varie associazioni mineralogiche", Volume 1, 238 pp.
Romanèchite
Formula: (Ba,H2O)2(Mn4+,Mn3+)5O10
Reference: Stara, P., Rizzo, R., Tanca, G.A. (1996): Iglesiente e Arburese. Miniere e Minerali. Edito a cura dell'EMSA e "varie associazioni mineralogiche", Volume 1, 238 pp.
Silver
Formula: Ag
Reference: Stara, P., Rizzo, R., Tanca, G.A. (1996): Iglesiente e Arburese. Miniere e Minerali. Edito a cura dell'EMSA e "varie associazioni mineralogiche", Volume 1, 238 pp.
Smithsonite
Formula: ZnCO3
Reference: Stara, P., Rizzo, R., Tanca, G.A. (1996): Iglesiente e Arburese. Miniere e Minerali. Edito a cura dell'EMSA e "varie associazioni mineralogiche", Volume 1, 238 pp.
Sphalerite
Formula: ZnS
Reference: Ref. Cadorni E, Forti P., Perna G. (1986) - La gaspeite magnesifera della miniera di S. Benedetto (CA) - Riv. Miner. Ital., Milano, fasc. 2, 1986, pp. 62-67
Sulphur
Formula: S8
Reference: Stara, P., Rizzo, R., Tanca, G.A. (1996): Iglesiente e Arburese. Miniere e Minerali. Edito a cura dell'EMSA e "varie associazioni mineralogiche", Volume 1, 238 pp.
Zincite
Formula: ZnO
Reference: AA. VV., 1996. Collezionare minerali. Hobby & Work.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Silver1.AA.05Ag
Sulphur1.CC.05S8
Group 2 - Sulphides and Sulfosalts
Breithauptite2.CC.05NiSb
Chalcopyrite2.CB.10aCuFeS2
Cinnabar2.CD.15aHgS
Galena2.CD.10PbS
Greenockite2.CB.45CdS
Marcasite2.EB.10aFeS2
Millerite2.CC.20NiS
Pyrite2.EB.05aFeS2
Pyrrhotite2.CC.10Fe7S8
Sphalerite2.CB.05aZnS
Group 4 - Oxides and Hydroxides
'Bindheimite'4.DH.20Pb2Sb2O6O
Goethite4.00.α-Fe3+O(OH)
Quartz4.DA.05SiO2
Romanèchite4.DK.10(Ba,H2O)2(Mn4+,Mn3+)5O10
Zincite4.AB.20ZnO
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Cerussite5.AB.15PbCO3
Dolomite5.AB.10CaMg(CO3)2
Dundasite5.DB.10PbAl2(CO3)2(OH)4 · H2O
Gaspéite5.AB.05Ni(CO3)
Hydrozincite5.BA.15Zn5(CO3)2(OH)6
Leadhillite5.BF.40Pb4(CO3)2(SO4)(OH)2
Phosgenite5.BE.20Pb2CO3Cl2
Smithsonite5.AB.05ZnCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Anglesite7.AD.35PbSO4
Baryte7.AD.35BaSO4
Gypsum7.CD.40CaSO4 · 2H2O
Group 9 - Silicates
Hemimorphite9.BD.10Zn4Si2O7(OH)2 · H2O
Unclassified Minerals, Rocks, etc.
'Limonite'-(Fe,O,OH,H2O)

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
Sulphur1.3.5.1S8
Group 2 - SULFIDES
AmXp, with m:p = 1:1
Breithauptite2.8.11.2NiSb
Cinnabar2.8.14.1HgS
Galena2.8.1.1PbS
Greenockite2.8.7.2CdS
Millerite2.8.16.1NiS
Pyrrhotite2.8.10.1Fe7S8
Sphalerite2.8.2.1ZnS
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 1:2
Marcasite2.12.2.1FeS2
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
AX
Zincite4.2.2.1ZnO
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
XO(OH)
Goethite6.1.1.2α-Fe3+O(OH)
Group 7 - MULTIPLE OXIDES
AB8X16
Romanèchite7.9.2.1(Ba,H2O)2(Mn4+,Mn3+)5O10
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Cerussite14.1.3.4PbCO3
Gaspéite14.1.1.8Ni(CO3)
Smithsonite14.1.1.6ZnCO3
AB(XO3)2
Dolomite14.2.1.1CaMg(CO3)2
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Phosgenite16a.3.4.1Pb2CO3Cl2
Hydrozincite16a.4.1.1Zn5(CO3)2(OH)6
Group 16b - HYDRATED CARBONATES CONTAINING HYDROXYL OR HALOGEN
Dundasite16b.2.1.1PbAl2(CO3)2(OH)4 · H2O
Group 17 - COMPOUND CARBONATES
Miscellaneous
Leadhillite17.1.2.1Pb4(CO3)2(SO4)(OH)2
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Anglesite28.3.1.3PbSO4
Baryte28.3.1.1BaSO4
Group 29 - HYDRATED ACID AND NORMAL SULFATES
AXO4·xH2O
Gypsum29.6.3.1CaSO4 · 2H2O
Group 44 - ANTIMONATES
A2X2O6(O,OH,F)
'Bindheimite'44.1.1.2Pb2Sb2O6O
Group 56 - SOROSILICATES Si2O7 Groups, With Additional O, OH, F and H2O
Si2O7 Groups and O, OH, F, and H2O with cations in [4] coordination
Hemimorphite56.1.2.1Zn4Si2O7(OH)2 · H2O
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
'Limonite'-(Fe,O,OH,H2O)

List of minerals for each chemical element

HHydrogen
H Limonite(Fe,O,OH,H2O)
H HemimorphiteZn4Si2O7(OH)2 · H2O
H DundasitePbAl2(CO3)2(OH)4 · H2O
H GypsumCaSO4 · 2H2O
H Goethiteα-Fe3+O(OH)
H HydrozinciteZn5(CO3)2(OH)6
H LeadhillitePb4(CO3)2(SO4)(OH)2
H Romanèchite(Ba,H2O)2(Mn4+,Mn3+)5O10
CCarbon
C GaspéiteNi(CO3)
C CalciteCaCO3
C CerussitePbCO3
C DolomiteCaMg(CO3)2
C DundasitePbAl2(CO3)2(OH)4 · H2O
C PhosgenitePb2CO3Cl2
C HydrozinciteZn5(CO3)2(OH)6
C LeadhillitePb4(CO3)2(SO4)(OH)2
C SmithsoniteZnCO3
OOxygen
O AnglesitePbSO4
O Limonite(Fe,O,OH,H2O)
O GaspéiteNi(CO3)
O ZinciteZnO
O HemimorphiteZn4Si2O7(OH)2 · H2O
O BaryteBaSO4
O CalciteCaCO3
O CerussitePbCO3
O DolomiteCaMg(CO3)2
O DundasitePbAl2(CO3)2(OH)4 · H2O
O PhosgenitePb2CO3Cl2
O GypsumCaSO4 · 2H2O
O Goethiteα-Fe3+O(OH)
O HydrozinciteZn5(CO3)2(OH)6
O LeadhillitePb4(CO3)2(SO4)(OH)2
O QuartzSiO2
O Romanèchite(Ba,H2O)2(Mn4+,Mn3+)5O10
O BindheimitePb2Sb2O6O
O SmithsoniteZnCO3
MgMagnesium
Mg DolomiteCaMg(CO3)2
AlAluminium
Al DundasitePbAl2(CO3)2(OH)4 · H2O
SiSilicon
Si HemimorphiteZn4Si2O7(OH)2 · H2O
Si QuartzSiO2
SSulfur
S AnglesitePbSO4
S GalenaPbS
S SphaleriteZnS
S GreenockiteCdS
S BaryteBaSO4
S ChalcopyriteCuFeS2
S CinnabarHgS
S GypsumCaSO4 · 2H2O
S LeadhillitePb4(CO3)2(SO4)(OH)2
S MarcasiteFeS2
S MilleriteNiS
S PyriteFeS2
S PyrrhotiteFe7S8
S SulphurS8
ClChlorine
Cl PhosgenitePb2CO3Cl2
CaCalcium
Ca CalciteCaCO3
Ca DolomiteCaMg(CO3)2
Ca GypsumCaSO4 · 2H2O
MnManganese
Mn Romanèchite(Ba,H2O)2(Mn4+,Mn3+)5O10
FeIron
Fe Limonite(Fe,O,OH,H2O)
Fe ChalcopyriteCuFeS2
Fe Goethiteα-Fe3+O(OH)
Fe MarcasiteFeS2
Fe PyriteFeS2
Fe PyrrhotiteFe7S8
NiNickel
Ni GaspéiteNi(CO3)
Ni BreithauptiteNiSb
Ni MilleriteNiS
CuCopper
Cu ChalcopyriteCuFeS2
ZnZinc
Zn SphaleriteZnS
Zn ZinciteZnO
Zn HemimorphiteZn4Si2O7(OH)2 · H2O
Zn HydrozinciteZn5(CO3)2(OH)6
Zn SmithsoniteZnCO3
AgSilver
Ag SilverAg
CdCadmium
Cd GreenockiteCdS
SbAntimony
Sb BreithauptiteNiSb
Sb BindheimitePb2Sb2O6O
BaBarium
Ba BaryteBaSO4
Ba Romanèchite(Ba,H2O)2(Mn4+,Mn3+)5O10
HgMercury
Hg CinnabarHgS
PbLead
Pb AnglesitePbSO4
Pb GalenaPbS
Pb CerussitePbCO3
Pb DundasitePbAl2(CO3)2(OH)4 · H2O
Pb PhosgenitePb2CO3Cl2
Pb LeadhillitePb4(CO3)2(SO4)(OH)2
Pb BindheimitePb2Sb2O6O

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Cadoni, E., Forti, P., and Perna, G. (1986) La gaspeite magnesifera della miniera di S. Benedetto (CA). Rivista Mineralogica Italiana, 2, 62-67.
Becker, Susan (2002) Multinationalität hat verschiedene Gesichter: Formen internationaler Unternehmenstätigkeit der Société Anonyme des Mines et Fonderies de Zinc de la Vieille-Montagne und der Metallgesellschaft vor 1914.

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