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Tozeur-Nefta deposit, Tozeur, Tunisiai
Regional Level Types
Tozeur-Nefta depositDeposit
TozeurGovernorate
TunisiaCountry

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Latitude & Longitude (WGS84):
33° 53' 41'' North , 7° 56' 24'' East
Latitude & Longitude (decimal):
33.89483,7.94012
GeoHash:
G#: snj8udmgd
GRN:
N23E05
Type:
Deposit
Köppen climate type:
BWh : Hot deserts climate
Nearest Settlements:
PlacePopulationDistance
Nefta21,720 (2018)6.2km
Tozeur34,943 (2018)18.1km
Degache8,134 (2018)26.3km
Chebika1,820 (2018)47.2km
Tamaghzah2,750 (2018)54.9km
Mindat Locality ID:
425697
Long-form identifier:
mindat:1:2:425697:0
GUID (UUID V4):
0
Other/historical names associated with this locality:
Tozeur-Naftah deposit


A low grade phosphate deposit located approximately 12 km west of the town of Tozeur.

The deposit is in the Gafsa mining basin (Gafsa-Metlaoui Basin).

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


7 valid minerals.

Detailed Mineral List:

ⓘ Calcite
Formula: CaCO3
ⓘ Dolomite
Formula: CaMg(CO3)2
ⓘ Fluorapatite
Formula: Ca5(PO4)3F
ⓘ Fluorapatite var. Carbonate-rich Fluorapatite
Formula: Ca5(PO4,CO3)3(F,O)
ⓘ Gypsum
Formula: CaSO4 · 2H2O
ⓘ Kaolinite
Formula: Al2(Si2O5)(OH)4
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Muscovite var. Illite
Formula: K0.65Al2.0[Al0.65Si3.35O10](OH)2
ⓘ Quartz
Formula: SiO2

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘQuartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
ⓘDolomite5.AB.10CaMg(CO3)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘGypsum7.CD.40CaSO4 · 2H2O
Group 8 - Phosphates, Arsenates and Vanadates
ⓘFluorapatite
var. Carbonate-rich Fluorapatite		8.BN.05Ca5(PO4,CO3)3(F,O)
ⓘ8.BN.05Ca5(PO4)3F
Group 9 - Silicates
ⓘMuscovite
var. Illite		9.EC.15K0.65Al2.0[Al0.65Si3.35O10](OH)2
ⓘ9.EC.15KAl2(AlSi3O10)(OH)2
ⓘKaolinite9.ED.05Al2(Si2O5)(OH)4

List of minerals for each chemical element

HHydrogen
Hⓘ GypsumCaSO4 · 2H2O
Hⓘ Muscovite var. IlliteK0.65Al2.0[Al0.65Si3.35O10](OH)2
Hⓘ KaoliniteAl2(Si2O5)(OH)4
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
CCarbon
Cⓘ CalciteCaCO3
Cⓘ Fluorapatite var. Carbonate-rich FluorapatiteCa5(PO4,CO3)3(F,O)
Cⓘ DolomiteCaMg(CO3)2
OOxygen
Oⓘ CalciteCaCO3
Oⓘ Fluorapatite var. Carbonate-rich FluorapatiteCa5(PO4,CO3)3(F,O)
Oⓘ DolomiteCaMg(CO3)2
Oⓘ FluorapatiteCa5(PO4)3F
Oⓘ GypsumCaSO4 · 2H2O
Oⓘ Muscovite var. IlliteK0.65Al2.0[Al0.65Si3.35O10](OH)2
Oⓘ KaoliniteAl2(Si2O5)(OH)4
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ QuartzSiO2
FFluorine
Fⓘ Fluorapatite var. Carbonate-rich FluorapatiteCa5(PO4,CO3)3(F,O)
Fⓘ FluorapatiteCa5(PO4)3F
MgMagnesium
Mgⓘ DolomiteCaMg(CO3)2
AlAluminium
Alⓘ Muscovite var. IlliteK0.65Al2.0[Al0.65Si3.35O10](OH)2
Alⓘ KaoliniteAl2(Si2O5)(OH)4
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
SiSilicon
Siⓘ Muscovite var. IlliteK0.65Al2.0[Al0.65Si3.35O10](OH)2
Siⓘ KaoliniteAl2(Si2O5)(OH)4
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ QuartzSiO2
PPhosphorus
Pⓘ Fluorapatite var. Carbonate-rich FluorapatiteCa5(PO4,CO3)3(F,O)
Pⓘ FluorapatiteCa5(PO4)3F
SSulfur
Sⓘ GypsumCaSO4 · 2H2O
KPotassium
Kⓘ Muscovite var. IlliteK0.65Al2.0[Al0.65Si3.35O10](OH)2
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Caⓘ CalciteCaCO3
Caⓘ Fluorapatite var. Carbonate-rich FluorapatiteCa5(PO4,CO3)3(F,O)
Caⓘ DolomiteCaMg(CO3)2
Caⓘ FluorapatiteCa5(PO4)3F
Caⓘ GypsumCaSO4 · 2H2O

Other Regions, Features and Areas containing this locality

AfricaContinent
African PlateTectonic Plate
North Africa

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

Wissem Gallala, Marwa Saïdi, Sihem el Hajii, Kamel Zayani, Mohamed Essghaier Gaied, Mabrouk Montacer (2016) Characterization and Valorization of Tozeur-Nefta Phosphate Ore Deposit (Southwestern Tunisia). Procedia Engineering, Vol.138, 8-18.
Boujlel, Haïfa, Ghassen Daldoul, Haïfa Tlil, Radhia Souissi, Noureddine Chebbi, Nabil Fattah, Fouad Souissi. (2019) The Beneficiation Processes of Low-Grade Sedimentary Phosphates of Tozeur-Nefta Deposit (Gafsa-Metlaoui Basin: South of Tunisia). Minerals 9(1),2. [https://doi.org/10.3390/min9010002].
Ouerghi, S. (2019) A GIS-Based Geological Model for Assessing the Reserves of Phosphate in the Tozeur-Nefta Field, Southern Tunisia. International Journal of Geosciences, 10, 589-611. [doi: 10.4236/ijg.2019.105034].
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