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Tays ophiolite, Riyadh Region, Saudi Arabiai
Regional Level Types
Tays ophioliteOphiolite Complex
Riyadh RegionRegion
Saudi ArabiaCountry

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Latitude & Longitude (WGS84):
23° 6' 15'' North , 44° 58' 0'' East
Latitude & Longitude (decimal):
23.10417,44.96667
GRN:
N16E30
Type:
Ophiolite Complex
Kรถppen climate type:
BWh : Hot deserts climate
Mindat Locality ID:
482451
Long-form identifier:
mindat:1:2:482451:3
GUID (UUID V4):
0


The area comprises mainly Neoproterozoic rocks including ophiolites, the Abt formation and syntectonic granitoids. Ophiolitic rocks in the Tays area are in tectonic contact with the Abt formation and include serpentinites and metagabbro. Most of the serpentinite masses occur as massive thrust sheets with numerous internal shear planes. The ophiolite appears to be part of a structurally detached allochthon, far traveled from its root zone. In the ultramafic section of the ophiolite, listvenite bodies of different shapes (dyke-like or lenticular) and sizes (up to several meters long) are developed along the shear zones. They are hard, massive rocks despite local shearing and fracturing. They vary in their appearance in the field, ranging from yellowish-brown and reddish-brown to greyish depending on the relative abundances of quartz and carbonates and the extent of iron-oxide staining. A few outcrops have a spongy texture due to supergene oxidative weathering. We distinguish two main varieties of listvenite: carbonate listvenite and silicaโ€‘carbonate listvenite. In general, carbonate listvenite is deformed, sheared, brecciated and fractured similarly to the host serpentinite, while silicaโ€‘carbonate listvenite is undeformed. The presence of deformation fabrics in the carbonate listvenite suggests its formation predates deformation, while the absence of deformation fabrics in silicaโ€‘carbonate listvenite suggests its formation postdates serpentinization and carbonate listvenite.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


32 valid minerals.

Rock Types Recorded


Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

โ“˜ Actinolite
Formula: ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
โ“˜ 'Amphibole Supergroup'
Formula: AB2C5(T8O22)W2
โ“˜ Ankerite
Formula: Ca(Fe2+,Mg)(CO3)2
โ“˜ Anthophyllite
Formula: ◻Mg2Mg5(Si8O22)(OH)2
โ“˜ Antigorite
Formula: Mg3(Si2O5)(OH)4
โ“˜ Baddeleyite
Formula: ZrO2
โ“˜ Baryte
Formula: BaSO4
โ“˜ Calcite
Formula: CaCO3
โ“˜ Chalcopyrite
Formula: CuFeS2
โ“˜ 'Chlorite Group'
โ“˜ 'Chrome-Spinel (of Dana)'
โ“˜ Chrysotile
Formula: Mg3(Si2O5)(OH)4
โ“˜ Covellite
Formula: CuS
โ“˜ Dolomite
Formula: CaMg(CO3)2
โ“˜ 'Ferritchromit'
โ“˜ Galena
Formula: PbS
โ“˜ Goethite
Formula: Fe3+O(OH)
โ“˜ Lizardite
Formula: Mg3(Si2O5)(OH)4
โ“˜ Magnesite
Formula: MgCO3
โ“˜ Magnetite
Formula: Fe2+Fe3+2O4
โ“˜ Melliniite
Formula: (Ni,Fe)4P
โ“˜ Molybdenite
Formula: MoS2
โ“˜ Molybdenite var. Femolite
Formula: (Mo,Fe)S2
โ“˜ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
โ“˜ Muscovite var. Fuchsite
Formula: K(Al,Cr)3Si3O10(OH)2
โ“˜ Native Gold
Formula: Au
โ“˜ Nickelphosphide
Formula: (Ni,Fe)3P
โ“˜ 'Olivine Group'
Formula: M2SiO4
โ“˜ 'Orthopyroxene Subgroup'
โ“˜ Pyrite
Formula: FeS2
โ“˜ 'Pyroxene Group'
Formula: ADSi2O6
โ“˜ Pyrrhotite
Formula: Fe1-xS
โ“˜ Quartz
Formula: SiO2
โ“˜ Quartz var. Microcrystalline quartz
โ“˜ Quartz var. Smoky Quartz
Formula: SiO2
โ“˜ Rutile
Formula: TiO2
โ“˜ 'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4
โ“˜ 'Serpentine Subgroup var. Bastite'
Formula: D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
โ“˜ Siderite
Formula: FeCO3
โ“˜ Spinel
Formula: MgAl2O4
โ“˜ Talc
Formula: Mg3Si4O10(OH)2
โ“˜ Tenorite
Formula: CuO
โ“˜ Tremolite
Formula: ◻Ca2Mg5(Si8O22)(OH)2
โ“˜ Wurtzite
Formula: (Zn,Fe)S
โ“˜ Zircon
Formula: Zr(SiO4)

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
โ“˜Native Gold1.AA.05Au
โ“˜Nickelphosphide1.BD.05(Ni,Fe)3P
โ“˜Melliniite1.BD.20(Ni,Fe)4P
Group 2 - Sulphides and Sulfosalts
โ“˜Covellite2.CA.05aCuS
โ“˜Chalcopyrite2.CB.10aCuFeS2
โ“˜Wurtzite2.CB.45(Zn,Fe)S
โ“˜Pyrrhotite2.CC.10Fe1-xS
โ“˜Galena2.CD.10PbS
โ“˜Molybdenite2.EA.30MoS2
โ“˜var. Femolite2.EA.30(Mo,Fe)S2
โ“˜Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
โ“˜Tenorite4.AB.10CuO
โ“˜Magnetite4.BB.05Fe2+Fe3+2O4
โ“˜Spinel4.BB.05MgAl2O4
โ“˜Quartz4.DA.05SiO2
โ“˜var. Smoky Quartz4.DA.05SiO2
โ“˜var. Microcrystalline quartz4.DA.05SiO2
โ“˜Rutile4.DB.05TiO2
โ“˜Baddeleyite4.DE.35ZrO2
โ“˜Goethite4.FD.10Fe3+O(OH)
Group 5 - Nitrates and Carbonates
โ“˜Calcite5.AB.05CaCO3
โ“˜Magnesite5.AB.05MgCO3
โ“˜Siderite5.AB.05FeCO3
โ“˜Ankerite5.AB.10Ca(Fe2+,Mg)(CO3)2
โ“˜Dolomite5.AB.10CaMg(CO3)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
โ“˜Baryte7.AD.35BaSO4
Group 9 - Silicates
โ“˜Chrysotile9.00.Mg3(Si2O5)(OH)4
โ“˜Zircon9.AD.30Zr(SiO4)
โ“˜Anthophyllite9.DD.05โ—ปMg2Mg5(Si8O22)(OH)2
โ“˜Actinolite9.DE.10โ—ปCa2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
โ“˜Tremolite9.DE.10โ—ปCa2Mg5(Si8O22)(OH)2
โ“˜Talc9.EC.05Mg3Si4O10(OH)2
โ“˜Muscovite
var. Fuchsite		9.EC.15K(Al,Cr)3Si3O10(OH)2
โ“˜9.EC.15KAl2(AlSi3O10)(OH)2
โ“˜Antigorite9.ED.15Mg3(Si2O5)(OH)4
โ“˜Lizardite9.ED.15Mg3(Si2O5)(OH)4
Unclassified
โ“˜'Amphibole Supergroup'-AB2C5(T8O22)W2
โ“˜'Chlorite Group'-
โ“˜'Serpentine Subgroup
var. Bastite'		-D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
โ“˜'Pyroxene Group'-ADSi2O6
โ“˜'Chrome-Spinel (of Dana)'-
โ“˜'Orthopyroxene Subgroup'-
โ“˜'Serpentine Subgroup'-D3[Si2O5](OH)4
โ“˜'Olivine Group'-M2SiO4
โ“˜'Ferritchromit'-

List of minerals for each chemical element

HHydrogen
Hโ“˜ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Hโ“˜ Anthophyllite◻Mg2Mg5(Si8O22)(OH)2
Hโ“˜ AntigoriteMg3(Si2O5)(OH)4
Hโ“˜ ChrysotileMg3(Si2O5)(OH)4
Hโ“˜ Muscovite var. FuchsiteK(Al,Cr)3Si3O10(OH)2
Hโ“˜ GoethiteFe3+O(OH)
Hโ“˜ LizarditeMg3(Si2O5)(OH)4
Hโ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Hโ“˜ TalcMg3Si4O10(OH)2
Hโ“˜ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Hโ“˜ Serpentine Subgroup var. BastiteD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Hโ“˜ Serpentine SubgroupD3[Si2O5](OH)4
CCarbon
Cโ“˜ AnkeriteCa(Fe2+,Mg)(CO3)2
Cโ“˜ CalciteCaCO3
Cโ“˜ DolomiteCaMg(CO3)2
Cโ“˜ MagnesiteMgCO3
Cโ“˜ SideriteFeCO3
OOxygen
Oโ“˜ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Oโ“˜ Amphibole SupergroupAB2C5(T8O22)W2
Oโ“˜ AnkeriteCa(Fe2+,Mg)(CO3)2
Oโ“˜ Anthophyllite◻Mg2Mg5(Si8O22)(OH)2
Oโ“˜ AntigoriteMg3(Si2O5)(OH)4
Oโ“˜ BaddeleyiteZrO2
Oโ“˜ BaryteBaSO4
Oโ“˜ CalciteCaCO3
Oโ“˜ ChrysotileMg3(Si2O5)(OH)4
Oโ“˜ DolomiteCaMg(CO3)2
Oโ“˜ Muscovite var. FuchsiteK(Al,Cr)3Si3O10(OH)2
Oโ“˜ GoethiteFe3+O(OH)
Oโ“˜ LizarditeMg3(Si2O5)(OH)4
Oโ“˜ MagnesiteMgCO3
Oโ“˜ MagnetiteFe2+Fe23+O4
Oโ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Oโ“˜ QuartzSiO2
Oโ“˜ RutileTiO2
Oโ“˜ SideriteFeCO3
Oโ“˜ Quartz var. Smoky QuartzSiO2
Oโ“˜ SpinelMgAl2O4
Oโ“˜ TalcMg3Si4O10(OH)2
Oโ“˜ TenoriteCuO
Oโ“˜ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Oโ“˜ ZirconZr(SiO4)
Oโ“˜ Serpentine Subgroup var. BastiteD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Oโ“˜ Pyroxene GroupADSi2O6
Oโ“˜ Serpentine SubgroupD3[Si2O5](OH)4
Oโ“˜ Olivine GroupM2SiO4
MgMagnesium
Mgโ“˜ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Mgโ“˜ AnkeriteCa(Fe2+,Mg)(CO3)2
Mgโ“˜ Anthophyllite◻Mg2Mg5(Si8O22)(OH)2
Mgโ“˜ AntigoriteMg3(Si2O5)(OH)4
Mgโ“˜ ChrysotileMg3(Si2O5)(OH)4
Mgโ“˜ DolomiteCaMg(CO3)2
Mgโ“˜ LizarditeMg3(Si2O5)(OH)4
Mgโ“˜ MagnesiteMgCO3
Mgโ“˜ SpinelMgAl2O4
Mgโ“˜ TalcMg3Si4O10(OH)2
Mgโ“˜ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Mgโ“˜ Serpentine Subgroup var. BastiteD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
AlAluminium
Alโ“˜ Muscovite var. FuchsiteK(Al,Cr)3Si3O10(OH)2
Alโ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Alโ“˜ SpinelMgAl2O4
Alโ“˜ Serpentine Subgroup var. BastiteD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
SiSilicon
Siโ“˜ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Siโ“˜ Anthophyllite◻Mg2Mg5(Si8O22)(OH)2
Siโ“˜ AntigoriteMg3(Si2O5)(OH)4
Siโ“˜ ChrysotileMg3(Si2O5)(OH)4
Siโ“˜ Muscovite var. FuchsiteK(Al,Cr)3Si3O10(OH)2
Siโ“˜ LizarditeMg3(Si2O5)(OH)4
Siโ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Siโ“˜ QuartzSiO2
Siโ“˜ Quartz var. Smoky QuartzSiO2
Siโ“˜ TalcMg3Si4O10(OH)2
Siโ“˜ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Siโ“˜ ZirconZr(SiO4)
Siโ“˜ Serpentine Subgroup var. BastiteD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Siโ“˜ Pyroxene GroupADSi2O6
Siโ“˜ Serpentine SubgroupD3[Si2O5](OH)4
Siโ“˜ Olivine GroupM2SiO4
PPhosphorus
Pโ“˜ Nickelphosphide(Ni,Fe)3P
Pโ“˜ Melliniite(Ni,Fe)4P
SSulfur
Sโ“˜ BaryteBaSO4
Sโ“˜ ChalcopyriteCuFeS2
Sโ“˜ CovelliteCuS
Sโ“˜ GalenaPbS
Sโ“˜ MolybdeniteMoS2
Sโ“˜ PyriteFeS2
Sโ“˜ PyrrhotiteFe1-xS
Sโ“˜ Wurtzite(Zn,Fe)S
Sโ“˜ Molybdenite var. Femolite(Mo,Fe)S2
KPotassium
Kโ“˜ Muscovite var. FuchsiteK(Al,Cr)3Si3O10(OH)2
Kโ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Caโ“˜ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Caโ“˜ AnkeriteCa(Fe2+,Mg)(CO3)2
Caโ“˜ CalciteCaCO3
Caโ“˜ DolomiteCaMg(CO3)2
Caโ“˜ Tremolite◻Ca2Mg5(Si8O22)(OH)2
TiTitanium
Tiโ“˜ RutileTiO2
CrChromium
Crโ“˜ Muscovite var. FuchsiteK(Al,Cr)3Si3O10(OH)2
MnManganese
Mnโ“˜ Serpentine Subgroup var. BastiteD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
FeIron
Feโ“˜ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Feโ“˜ AnkeriteCa(Fe2+,Mg)(CO3)2
Feโ“˜ ChalcopyriteCuFeS2
Feโ“˜ GoethiteFe3+O(OH)
Feโ“˜ MagnetiteFe2+Fe23+O4
Feโ“˜ PyriteFeS2
Feโ“˜ PyrrhotiteFe1-xS
Feโ“˜ SideriteFeCO3
Feโ“˜ Wurtzite(Zn,Fe)S
Feโ“˜ Serpentine Subgroup var. BastiteD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Feโ“˜ Nickelphosphide(Ni,Fe)3P
Feโ“˜ Molybdenite var. Femolite(Mo,Fe)S2
Feโ“˜ Melliniite(Ni,Fe)4P
NiNickel
Niโ“˜ Serpentine Subgroup var. BastiteD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Niโ“˜ Nickelphosphide(Ni,Fe)3P
Niโ“˜ Melliniite(Ni,Fe)4P
CuCopper
Cuโ“˜ ChalcopyriteCuFeS2
Cuโ“˜ CovelliteCuS
Cuโ“˜ TenoriteCuO
ZnZinc
Znโ“˜ Wurtzite(Zn,Fe)S
Znโ“˜ Serpentine Subgroup var. BastiteD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
ZrZirconium
Zrโ“˜ BaddeleyiteZrO2
Zrโ“˜ ZirconZr(SiO4)
MoMolybdenum
Moโ“˜ MolybdeniteMoS2
Moโ“˜ Molybdenite var. Femolite(Mo,Fe)S2
BaBarium
Baโ“˜ BaryteBaSO4
AuGold
Auโ“˜ Native GoldAu
PbLead
Pbโ“˜ GalenaPbS

Other Regions, Features and Areas containing this locality

Arabian PeninsulaPeninsula
Arabian PlateTectonic Plate
AsiaContinent

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

[1]Alshehri, Fahad, Azer, Mokhles K., Asimow, Paul D., Abuamarah, Bassam A. (2024) Gold and sulfide-bearing listvenite in the mantle section of the Tays ophiolite in the Arabian Shield, Saudi Arabia. Geochemistry, 84 (2) 126081 doi:10.1016/j.chemer.2024.126081
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