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Touissit, Touissit District, Oujda-Angad Province, Oriental Region, Morocco

This locality features lead-zinc deposits replacing dolomite.

The Pb–Zn mineralisation took place in dolomite strata by ascending hot, saline fluids probably during the Late Jurassic. Fluid inclusion data indicate that the mineralisation occurred at ambient condition of 100–135 °C and pressures of 150–200 bar.

Mineral List

Mineral list contains entries from the region specified including sub-localities
Anglesite
Aragonite
var: Plumboan Aragonite
Azurite
Baryte
Brochantite
Calcite
Cerussite
Chalcopyrite
Descloizite
'Descloizite-Mottramite Series'
Devilline
Dolomite
var: Ferroan Dolomite
Dundasite
Galena
Goethite
Gypsum
Gypsum
var: Selenite

Hemimorphite
'Limonite'
Malachite
Mimetite
Oxyplumboroméite
Paralaurionite
Phosgenite
Pyrite
Pyromorphite
Quartz
Rosasite
Smithsonite
Sphalerite
Sulphur
Vanadinite
var: Arsenatian Vanadinite
Wulfenite


53 entries listed. 30 valid minerals.

Localities in this Region

Morocco

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References

- Claveau, Paulhac & Pellerin (1952)
- Mineral. Rec. 15:347-350
- Mineral. Rec. 18:430
- Mineral. Rec. 20:69
- Mineral. Rec. 20(5): 396
- Rocks & Min.: 65:27
- - Bouabdellah, M., Fontboté, L. Haeberlin, Y., Llinares, L., Leach., D., Spangenberg, J. (1999): Zoned sulphur isotope signatures at the Mississippi Valley-type Touissit - Bou Beker - El Abed District (Morocco-Algeria) - Evidence for thermochemical sulphate reduction and mixing of sulphur sources. In: C.J. Stanley et al. (eds.), Mineral deposits: processes to processing, Proceedings of the 5th biennial SGA meeting, London, England, 22-25 August 1999, p. 821-824. http://www.unige.ch/sciences/terre/mineral/publications/onlinepub/bouabdellah_sga99_touissit.pdf
- S. Makhoukhi et al. (2000): Modelling of an MVT deposit: Touissit-Bou Beker district (eastern Morocco). Journal of Geochemical Exploration 69-70, 109-113.
- S. Makhoukhi et al. (2003): Aqueous and hydrocarbon inclusions in dolomite fromTouissit-Bou Beker district, Eastern Morocco: a Jurassic carbonate hosted Pb-Zn (Cu) deposit. Journal of Geochemical Exploration 78-79 (Proceedings of Geofluids IV), 545–551. (Abstract)

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