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Touissit-Bou Beker mining district, Jerada Province, Oriental Region, Moroccoi
Regional Level Types
Touissit-Bou Beker mining districtMining District
Jerada ProvinceProvince
Oriental RegionRegion
MoroccoCountry

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04324990017272003769171.jpg
Aerial view of the Touissit lead-zinc-silver mining area, in 1956.

Touissit, Touissit-Bou Beker mining district, Jerada Province, Oriental Region, Morocco
Latitude & Longitude (WGS84):
34° 29' 20'' North , 1° 45' 57'' West
Latitude & Longitude (decimal):
Mindat Locality ID:
22953
Long-form identifier:
mindat:1:2:22953:8
GUID (UUID V4):
0


The Touissit-Bou Beker mining district comprises a 16 km long by 100 to 1,200 m wide, ENE-WSW-trending, semi-continuous string of carbonate-hosted ("Mississippi Valley Type") lead-zinc deposits, located in far eastern Morocco, a few km west of the border with and extending 3 km into Algeria (El Abed deposit), 30 km south of Oujda, and ~70 km south of the Mediterranean coastline.

From west to east, the four main constituent deposits are Mekta, Beddiane, Touissit, and Bou Beker (in some sources, the Beddiane deposit is divided into the Beddiane, Hassi M’Sidira, and Hassi Ennyag (or Hassi Niag, Hassi Niah) orebodies). The district is organized into these main deposits, plus some localities that were kept for historical reasons (e.g., “Puits IX”, or #9 pit).

This district features lead-zinc deposits replacing dolomite. The Pb–Zn mineralization took place in dolomite strata by ascending hot, saline fluids, probably during the Late Jurassic. Fluid inclusion data indicate that the mineralization occurred at ambient conditions of 100–135 °C and pressures of 150–200 bar. The Touissit-Bou Beker district deposits are epigenetic and strata-bound. Mineralized breccias form the dominant ore structure in the Touissit-Bou Beker district deposits, comprising saddle dolomite-cemented crackle, mosaic, and rubble breccias and rock-matrix ("trash") breccias, with the ore forming the matrix between angular clasts of host dolostone. Gangue includes ferroan and non-ferroan dolomite and minor calcite, with subordinate quartz, while secondary gypsum resulting from oxidation of sulfides may be locally abundant.

The primary sulfide mineralization is essentially composed of galena and sphalerite with pyrite and/or marcasite and lesser chalcopyrite, bornite, and tetrahedrite, with minor amounts of Pb-Sb sulfosalts, such as bournonite and stephanite, and Ag-bearing species, such as “argentite” and native silver. Galena is the principal economic mineral in the Mekta and Beddiane deposits in the west, whereas sphalerite becomes more abundant in the Touissit and Bou Beker deposits in the center and dominates to the east of the district at El Abed in Algeria.

Mines operated by the CMT (Compagnie Minière de Touissit) shut down in 2002. Now artisanal production continues, totaling less than 100 t/year. Total production from the Touissit-Bou Beker-El Abed group of deposits between 1926 and 2002 was ~70 Mt @ 4% Pb, 3.5% Zn, <1% Cu, and 120 g/t Ag.
(compiled from several sources, including http://www.portergeo.com.au/database/mineinfo.asp?mineid=mn445).

Bouabdellah et al. (2021) have a paragenetic chart for the district, which includes two generations of anglesite and two generations of cerussite. There is no mention of lead oxides, but early-stage goethite is plentiful, so any massicot or minium would be suspect. The early generation of anglesite and cerussite occurs directly on altering galena, while the second generation of anglesite and cerussite has migrated away from the sulfides. Sphalerite alters before galena in this district, so altering galena occurs with botryoidal smithsonite.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

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

40 valid minerals.

Detailed Mineral List:

ⓘ Adamite
Formula: Zn2(AsO4)(OH)
ⓘ Anglesite
Formula: PbSO4
ⓘ Aragonite
Formula: CaCO3
ⓘ Aragonite var. Lead-bearing Aragonite
Formula: (Ca,Pb)CO3
ⓘ Azurite
Formula: Cu3(CO3)2(OH)2
ⓘ Baryte
Formula: BaSO4
ⓘ Beaverite-(Cu)
Formula: Pb(Fe3+2Cu)(SO4)2(OH)6
Habit: Earthy
Colour: Yellow
ⓘ Bindheimite
Formula: Pb2Sb2O6O
ⓘ Brochantite
Formula: Cu4(SO4)(OH)6
ⓘ Calcite
Formula: CaCO3
References:
ⓘ Cerussite
Formula: PbCO3
ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ Covellite
Formula: CuS
ⓘ Cuprite
Formula: Cu2O
ⓘ Descloizite
Formula: PbZn(VO4)(OH)
ⓘ 'Descloizite-Mottramite Series'
ⓘ Devilline ?
Formula: CaCu4(SO4)2(OH)6 · 3H2O
References:
ⓘ Dolomite
Formula: CaMg(CO3)2
ⓘ Dolomite var. Iron-bearing Dolomite
Formula: Ca(Mg,Fe)(CO3)2
ⓘ Duftite
Formula: PbCu(AsO4)(OH)
ⓘ Dundasite
Formula: PbAl2(CO3)2(OH)4 · H2O
ⓘ Galena
Formula: PbS
ⓘ Goethite
Formula: Fe3+O(OH)
ⓘ Gypsum
Formula: CaSO4 · 2H2O
ⓘ Gypsum var. Selenite
Formula: CaSO4 · 2H2O
ⓘ Hemimorphite
Formula: Zn4Si2O7(OH)2 · H2O
ⓘ 'Limonite'
ⓘ Malachite
Formula: Cu2(CO3)(OH)2
ⓘ Massicot ?
Formula: PbO
Description: Bouabdellah et al. (2021) indicates early goethite is plentiful but does not mention lead oxides.
ⓘ Mimetite
Formula: Pb5(AsO4)3Cl
ⓘ Mottramite
Formula: PbCu(VO4)(OH)
ⓘ Nadorite
Formula: PbSbClO2
ⓘ Native Sulphur
Formula: S8
ⓘ Olivenite
Formula: Cu2(AsO4)(OH)
ⓘ Paralaurionite
Formula: PbCl(OH)
ⓘ Phosgenite
Formula: Pb2CO3Cl2
ⓘ Pyrite
Formula: FeS2
ⓘ Pyromorphite
Formula: Pb5(PO4)3Cl
ⓘ Quartz
Formula: SiO2
ⓘ Rosasite
Formula: (Cu,Zn)2(CO3)(OH)2
ⓘ Siderite
Formula: FeCO3
ⓘ Smithsonite
Formula: ZnCO3
ⓘ Sphalerite
Formula: ZnS
ⓘ 'Tetrahedrite Subgroup'
Formula: Cu6(Cu4C2+2)Sb4S12S
ⓘ Vanadinite
Formula: Pb5(VO4)3Cl
ⓘ Vanadinite var. Arsenic-bearing Vanadinite
Formula: Pb5[(V,As)O4]3Cl
ⓘ Wulfenite
Formula: Pb(MoO4)
Localities: Reported from at least 7 localities in this region.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘNative Sulphur1.CC.05S8
Group 2 - Sulphides and Sulfosalts
ⓘCovellite2.CA.05aCuS
ⓘSphalerite2.CB.05aZnS
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘGalena2.CD.10PbS
ⓘPyrite2.EB.05aFeS2
ⓘ'Tetrahedrite Subgroup'2.GB.05Cu6(Cu4C2+2)Sb4S12S
Group 3 - Halides
ⓘParalaurionite3.DC.05PbCl(OH)
ⓘNadorite3.DC.30PbSbClO2
Group 4 - Oxides and Hydroxides
ⓘCuprite4.AA.10Cu2O
ⓘMassicot ?4.AC.25PbO
ⓘQuartz4.DA.05SiO2
ⓘBindheimite4.DH.20Pb2Sb2O6O
ⓘGoethite4.FD.10Fe3+O(OH)
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
ⓘSiderite5.AB.05FeCO3
ⓘSmithsonite5.AB.05ZnCO3
ⓘDolomite5.AB.10CaMg(CO3)2
ⓘvar. Iron-bearing Dolomite5.AB.10Ca(Mg,Fe)(CO3)2
ⓘAragonite5.AB.15CaCO3
ⓘCerussite5.AB.15PbCO3
ⓘAragonite
var. Lead-bearing Aragonite
5.AB.15(Ca,Pb)CO3
ⓘAzurite5.BA.05Cu3(CO3)2(OH)2
ⓘMalachite5.BA.10Cu2(CO3)(OH)2
ⓘRosasite5.BA.10(Cu,Zn)2(CO3)(OH)2
ⓘPhosgenite5.BE.20Pb2CO3Cl2
ⓘDundasite5.DB.10PbAl2(CO3)2(OH)4 · H2O
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘAnglesite7.AD.35PbSO4
ⓘBaryte7.AD.35BaSO4
ⓘBrochantite7.BB.25Cu4(SO4)(OH)6
ⓘBeaverite-(Cu)7.BC.10Pb(Fe3+2Cu)(SO4)2(OH)6
ⓘGypsum7.CD.40CaSO4 · 2H2O
ⓘvar. Selenite7.CD.40CaSO4 · 2H2O
ⓘDevilline ?7.DD.30CaCu4(SO4)2(OH)6 · 3H2O
ⓘWulfenite7.GA.05Pb(MoO4)
Group 8 - Phosphates, Arsenates and Vanadates
ⓘAdamite8.BB.30Zn2(AsO4)(OH)
ⓘOlivenite8.BB.30Cu2(AsO4)(OH)
ⓘDuftite8.BH.35PbCu(AsO4)(OH)
ⓘDescloizite8.BH.40PbZn(VO4)(OH)
ⓘMottramite8.BH.40PbCu(VO4)(OH)
ⓘVanadinite
var. Arsenic-bearing Vanadinite
8.BN.05Pb5[(V,As)O4]3Cl
ⓘMimetite8.BN.05Pb5(AsO4)3Cl
ⓘPyromorphite8.BN.05Pb5(PO4)3Cl
ⓘVanadinite8.BN.05Pb5(VO4)3Cl
Group 9 - Silicates
ⓘHemimorphite9.BD.10Zn4Si2O7(OH)2 · H2O
Unclassified
ⓘ'Limonite'-
ⓘ'Descloizite-Mottramite Series'-

List of minerals for each chemical element

HHydrogen
Hⓘ AdamiteZn2(AsO4)(OH)
Hⓘ AzuriteCu3(CO3)2(OH)2
Hⓘ Beaverite-(Cu)Pb(Fe23+Cu)(SO4)2(OH)6
Hⓘ BrochantiteCu4(SO4)(OH)6
Hⓘ DescloizitePbZn(VO4)(OH)
Hⓘ DevillineCaCu4(SO4)2(OH)6 · 3H2O
Hⓘ DuftitePbCu(AsO4)(OH)
Hⓘ DundasitePbAl2(CO3)2(OH)4 · H2O
Hⓘ GoethiteFe3+O(OH)
Hⓘ GypsumCaSO4 · 2H2O
Hⓘ HemimorphiteZn4Si2O7(OH)2 · H2O
Hⓘ MalachiteCu2(CO3)(OH)2
Hⓘ MottramitePbCu(VO4)(OH)
Hⓘ OliveniteCu2(AsO4)(OH)
Hⓘ ParalaurionitePbCl(OH)
Hⓘ Rosasite(Cu,Zn)2(CO3)(OH)2
Hⓘ Gypsum var. SeleniteCaSO4 · 2H2O
Hⓘ Descloizite-Mottramite Series
CCarbon
Cⓘ AragoniteCaCO3
Cⓘ AzuriteCu3(CO3)2(OH)2
Cⓘ CalciteCaCO3
Cⓘ CerussitePbCO3
Cⓘ DolomiteCaMg(CO3)2
Cⓘ DundasitePbAl2(CO3)2(OH)4 · H2O
Cⓘ MalachiteCu2(CO3)(OH)2
Cⓘ PhosgenitePb2CO3Cl2
Cⓘ Rosasite(Cu,Zn)2(CO3)(OH)2
Cⓘ SideriteFeCO3
Cⓘ SmithsoniteZnCO3
Cⓘ Aragonite var. Lead-bearing Aragonite(Ca,Pb)CO3
Cⓘ Dolomite var. Iron-bearing DolomiteCa(Mg,Fe)(CO3)2
OOxygen
Oⓘ AdamiteZn2(AsO4)(OH)
Oⓘ AnglesitePbSO4
Oⓘ AragoniteCaCO3
Oⓘ AzuriteCu3(CO3)2(OH)2
Oⓘ BaryteBaSO4
Oⓘ Beaverite-(Cu)Pb(Fe23+Cu)(SO4)2(OH)6
Oⓘ BindheimitePb2Sb2O6O
Oⓘ BrochantiteCu4(SO4)(OH)6
Oⓘ CalciteCaCO3
Oⓘ CerussitePbCO3
Oⓘ CupriteCu2O
Oⓘ DescloizitePbZn(VO4)(OH)
Oⓘ DevillineCaCu4(SO4)2(OH)6 · 3H2O
Oⓘ DolomiteCaMg(CO3)2
Oⓘ DuftitePbCu(AsO4)(OH)
Oⓘ DundasitePbAl2(CO3)2(OH)4 · H2O
Oⓘ Vanadinite var. Arsenic-bearing VanadinitePb5[(V,As)O4]3Cl
Oⓘ GoethiteFe3+O(OH)
Oⓘ GypsumCaSO4 · 2H2O
Oⓘ HemimorphiteZn4Si2O7(OH)2 · H2O
Oⓘ MalachiteCu2(CO3)(OH)2
Oⓘ MassicotPbO
Oⓘ MimetitePb5(AsO4)3Cl
Oⓘ MottramitePbCu(VO4)(OH)
Oⓘ NadoritePbSbClO2
Oⓘ OliveniteCu2(AsO4)(OH)
Oⓘ ParalaurionitePbCl(OH)
Oⓘ PhosgenitePb2CO3Cl2
Oⓘ PyromorphitePb5(PO4)3Cl
Oⓘ QuartzSiO2
Oⓘ Rosasite(Cu,Zn)2(CO3)(OH)2
Oⓘ SideriteFeCO3
Oⓘ SmithsoniteZnCO3
Oⓘ Aragonite var. Lead-bearing Aragonite(Ca,Pb)CO3
Oⓘ VanadinitePb5(VO4)3Cl
Oⓘ WulfenitePb(MoO4)
Oⓘ Gypsum var. SeleniteCaSO4 · 2H2O
Oⓘ Descloizite-Mottramite Series
Oⓘ Dolomite var. Iron-bearing DolomiteCa(Mg,Fe)(CO3)2
MgMagnesium
Mgⓘ DolomiteCaMg(CO3)2
Mgⓘ Dolomite var. Iron-bearing DolomiteCa(Mg,Fe)(CO3)2
AlAluminium
Alⓘ DundasitePbAl2(CO3)2(OH)4 · H2O
SiSilicon
Siⓘ HemimorphiteZn4Si2O7(OH)2 · H2O
Siⓘ QuartzSiO2
PPhosphorus
Pⓘ PyromorphitePb5(PO4)3Cl
SSulfur
Sⓘ AnglesitePbSO4
Sⓘ BaryteBaSO4
Sⓘ Beaverite-(Cu)Pb(Fe23+Cu)(SO4)2(OH)6
Sⓘ BrochantiteCu4(SO4)(OH)6
Sⓘ ChalcopyriteCuFeS2
Sⓘ CovelliteCuS
Sⓘ DevillineCaCu4(SO4)2(OH)6 · 3H2O
Sⓘ GalenaPbS
Sⓘ GypsumCaSO4 · 2H2O
Sⓘ PyriteFeS2
Sⓘ SphaleriteZnS
Sⓘ Native SulphurS8
Sⓘ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
Sⓘ Gypsum var. SeleniteCaSO4 · 2H2O
ClChlorine
Clⓘ Vanadinite var. Arsenic-bearing VanadinitePb5[(V,As)O4]3Cl
Clⓘ MimetitePb5(AsO4)3Cl
Clⓘ NadoritePbSbClO2
Clⓘ ParalaurionitePbCl(OH)
Clⓘ PhosgenitePb2CO3Cl2
Clⓘ PyromorphitePb5(PO4)3Cl
Clⓘ VanadinitePb5(VO4)3Cl
CaCalcium
Caⓘ AragoniteCaCO3
Caⓘ CalciteCaCO3
Caⓘ DevillineCaCu4(SO4)2(OH)6 · 3H2O
Caⓘ DolomiteCaMg(CO3)2
Caⓘ GypsumCaSO4 · 2H2O
Caⓘ Aragonite var. Lead-bearing Aragonite(Ca,Pb)CO3
Caⓘ Gypsum var. SeleniteCaSO4 · 2H2O
Caⓘ Dolomite var. Iron-bearing DolomiteCa(Mg,Fe)(CO3)2
VVanadium
Vⓘ DescloizitePbZn(VO4)(OH)
Vⓘ Vanadinite var. Arsenic-bearing VanadinitePb5[(V,As)O4]3Cl
Vⓘ MottramitePbCu(VO4)(OH)
Vⓘ VanadinitePb5(VO4)3Cl
Vⓘ Descloizite-Mottramite Series
FeIron
Feⓘ Beaverite-(Cu)Pb(Fe23+Cu)(SO4)2(OH)6
Feⓘ ChalcopyriteCuFeS2
Feⓘ GoethiteFe3+O(OH)
Feⓘ PyriteFeS2
Feⓘ SideriteFeCO3
Feⓘ Dolomite var. Iron-bearing DolomiteCa(Mg,Fe)(CO3)2
CuCopper
Cuⓘ AzuriteCu3(CO3)2(OH)2
Cuⓘ Beaverite-(Cu)Pb(Fe23+Cu)(SO4)2(OH)6
Cuⓘ BrochantiteCu4(SO4)(OH)6
Cuⓘ ChalcopyriteCuFeS2
Cuⓘ CovelliteCuS
Cuⓘ CupriteCu2O
Cuⓘ DevillineCaCu4(SO4)2(OH)6 · 3H2O
Cuⓘ DuftitePbCu(AsO4)(OH)
Cuⓘ MalachiteCu2(CO3)(OH)2
Cuⓘ MottramitePbCu(VO4)(OH)
Cuⓘ OliveniteCu2(AsO4)(OH)
Cuⓘ Rosasite(Cu,Zn)2(CO3)(OH)2
Cuⓘ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
Cuⓘ Descloizite-Mottramite Series
ZnZinc
Znⓘ AdamiteZn2(AsO4)(OH)
Znⓘ DescloizitePbZn(VO4)(OH)
Znⓘ HemimorphiteZn4Si2O7(OH)2 · H2O
Znⓘ Rosasite(Cu,Zn)2(CO3)(OH)2
Znⓘ SmithsoniteZnCO3
Znⓘ SphaleriteZnS
Znⓘ Descloizite-Mottramite Series
AsArsenic
Asⓘ AdamiteZn2(AsO4)(OH)
Asⓘ DuftitePbCu(AsO4)(OH)
Asⓘ Vanadinite var. Arsenic-bearing VanadinitePb5[(V,As)O4]3Cl
Asⓘ MimetitePb5(AsO4)3Cl
Asⓘ OliveniteCu2(AsO4)(OH)
MoMolybdenum
Moⓘ WulfenitePb(MoO4)
SbAntimony
Sbⓘ BindheimitePb2Sb2O6O
Sbⓘ NadoritePbSbClO2
Sbⓘ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
BaBarium
Baⓘ BaryteBaSO4
PbLead
Pbⓘ AnglesitePbSO4
Pbⓘ Beaverite-(Cu)Pb(Fe23+Cu)(SO4)2(OH)6
Pbⓘ BindheimitePb2Sb2O6O
Pbⓘ CerussitePbCO3
Pbⓘ DescloizitePbZn(VO4)(OH)
Pbⓘ DuftitePbCu(AsO4)(OH)
Pbⓘ DundasitePbAl2(CO3)2(OH)4 · H2O
Pbⓘ Vanadinite var. Arsenic-bearing VanadinitePb5[(V,As)O4]3Cl
Pbⓘ GalenaPbS
Pbⓘ MassicotPbO
Pbⓘ MimetitePb5(AsO4)3Cl
Pbⓘ MottramitePbCu(VO4)(OH)
Pbⓘ NadoritePbSbClO2
Pbⓘ ParalaurionitePbCl(OH)
Pbⓘ PhosgenitePb2CO3Cl2
Pbⓘ PyromorphitePb5(PO4)3Cl
Pbⓘ Aragonite var. Lead-bearing Aragonite(Ca,Pb)CO3
Pbⓘ VanadinitePb5(VO4)3Cl
Pbⓘ WulfenitePb(MoO4)
Pbⓘ Descloizite-Mottramite Series

Localities in this Region

Other Regions, Features and Areas containing this locality

AfricaContinent
African PlateTectonic Plate

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