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Seychelles

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Lock Map
Geological map of the Seychelles

Seychelles
Geological map of the Seychelles

Seychelles
Geological map of the Seychelles

Seychelles
Area:459 km2
Locality type:Country


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Standard Detailed Strunz Dana Chemical Elements

Mineral List

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

10 valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

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

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Alphabetical List Tree Diagram

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
'Pyrite'2.EB.05aFeS2
Group 3 - Halides
'Sylvite'3.AA.20KCl
Group 4 - Oxides and Hydroxides
'Gibbsite'4.FE.10Al(OH)3
'Ilmenite'4.CB.05Fe2+TiO3
'Quartz'4.DA.05SiO2
Group 5 - Nitrates and Carbonates
'Calcite'5.AB.05CaCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
'Baryte'7.AD.35BaSO4
Group 8 - Phosphates, Arsenates and Vanadates
'Hydroxylapatite'8.BN.05Ca5(PO4)3(OH)
Group 9 - Silicates
'Kaolinite'9.ED.05Al2(Si2O5)(OH)4
'Zircon'9.AD.30Zr(SiO4)
Unclassified Minerals, Rocks, etc.
'Albite-Anorthite Series'-
'Bauxite'-
'Hydrotroilite'-FeS · H2O ?

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
A2X3
Ilmenite4.3.5.1Fe2+TiO3
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
X(OH)3
Gibbsite6.3.1.1Al(OH)3
Group 9 - NORMAL HALIDES
AX
Sylvite9.1.1.2KCl
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Baryte28.3.1.1BaSO4
Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
A5(XO4)3Zq
Hydroxylapatite41.8.1.3Ca5(PO4)3(OH)
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in >[6] coordination
Zircon51.5.2.1Zr(SiO4)
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Rocks, etc.
'Albite-Anorthite Series'-
'Bauxite'-
'Hydrotroilite'-FeS · H2O ?
Kaolinite-Al2(Si2O5)(OH)4

List of minerals for each chemical element

HHydrogen
H GibbsiteAl(OH)3
H HydrotroiliteFeS · H2O ?
H HydroxylapatiteCa5(PO4)3(OH)
H KaoliniteAl2(Si2O5)(OH)4
CCarbon
C CalciteCaCO3
OOxygen
O BaryteBaSO4
O CalciteCaCO3
O GibbsiteAl(OH)3
O HydrotroiliteFeS · H2O ?
O HydroxylapatiteCa5(PO4)3(OH)
O IlmeniteFe2+TiO3
O KaoliniteAl2(Si2O5)(OH)4
O QuartzSiO2
O ZirconZr(SiO4)
AlAluminium
Al GibbsiteAl(OH)3
Al KaoliniteAl2(Si2O5)(OH)4
SiSilicon
Si KaoliniteAl2(Si2O5)(OH)4
Si QuartzSiO2
Si ZirconZr(SiO4)
PPhosphorus
P HydroxylapatiteCa5(PO4)3(OH)
SSulfur
S BaryteBaSO4
S HydrotroiliteFeS · H2O ?
S PyriteFeS2
ClChlorine
Cl SylviteKCl
KPotassium
K SylviteKCl
CaCalcium
Ca CalciteCaCO3
Ca HydroxylapatiteCa5(PO4)3(OH)
TiTitanium
Ti IlmeniteFe2+TiO3
FeIron
Fe HydrotroiliteFeS · H2O ?
Fe IlmeniteFe2+TiO3
Fe PyriteFeS2
ZrZirconium
Zr ZirconZr(SiO4)
BaBarium
Ba BaryteBaSO4

References

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Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Ashwal, L.D., Demaiffe, D., Torsvik, T.H. (2002) Petrogenesis of Neoproterozoic granitoids and related rocks from the Seychelles: the case for an Andean-type arc origin. Journal of Petrology, 43, 45–83.
Harris, C., Ashwal, L.D. (2002) The origin of low δ18O granites and related rocks from the Seychelles. Contributions to Mineralogy and Petrology, 143, 366–376.

Localities in this Region
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