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Seixigal (Pereira de Selão), Vidago, Chaves, Vila Real, Portugali
Regional Level Types
Seixigal (Pereira de Selão)- not defined -
Vidago- not defined -
Chaves- not defined -
Vila RealDistrict
PortugalCountry

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Key
Latitude & Longitude (WGS84):
41° 39' 37'' North , 7° 32' 2'' West
Latitude & Longitude (decimal):
Nearest Settlements:
PlacePopulationDistance
Chaves17,535 (2018)10.4km
Boticas5,750 (2018)11.7km
Santa Cruz3,430 (2018)12.3km
Valpaços4,573 (2014)19.4km
Oimbra1,977 (2008)25.5km
Name(s) in local language(s):
Seixigal (Pereira de Selão), Vidago, Chaves, Distrito de Vila Real, Portugal


Inactive (1985-2000) granite pegmatites (quartz, feldspar).

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


9 valid minerals.

Detailed Mineral List:

Andalusite
Formula: Al2(SiO4)O
Reference: Seixigal granite pegmatite (NE Portugal): Structural analysis and general evolution of an outergranite - pegmatite - innergranite stockscheider - M. F. C. PEREIRA, C. LEAL GOMES & L. A. AIRES-BARROS
'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
Reference: Manuel Maia's collection
'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Reference: Seixigal granite pegmatite (NE Portugal): Structural analysis and general evolution of an outergranite - pegmatite - innergranite stockscheider - M. F. C. PEREIRA, C. LEAL GOMES & L. A. AIRES-BARROS
'Chlorite Group'
Reference: Seixigal granite pegmatite (NE Portugal): Structural analysis and general evolution of an outergranite - pegmatite - innergranite stockscheider - M. F. C. PEREIRA, C. LEAL GOMES & L. A. AIRES-BARROS
'Feldspar Group'
Reference: Seixigal granite pegmatite (NE Portugal): Structural analysis and general evolution of an outergranite - pegmatite - innergranite stockscheider - M. F. C. PEREIRA, C. LEAL GOMES & L. A. AIRES-BARROS
Fluorapatite
Formula: Ca5(PO4)3F
Reference: Seixigal granite pegmatite (NE Portugal): Structural analysis and general evolution of an outergranite - pegmatite - innergranite stockscheider - M. F. C. PEREIRA, C. LEAL GOMES & L. A. AIRES-BARROS
Fluorite
Formula: CaF2
Microcline
Formula: K(AlSi3O8)
Reference: Manuel Maia's mineral collection; Manuel Maia's mineral collection
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: Seixigal granite pegmatite (NE Portugal): Structural analysis and general evolution of an outergranite - pegmatite - innergranite stockscheider - M. F. C. PEREIRA, C. LEAL GOMES & L. A. AIRES-BARROS
Natrotantite
Formula: Na2Ta4O11
Reference: Pedro Alves collection. Characterized by p-XRD and EPMA
Phenakite
Formula: Be2SiO4
Reference: Seixigal granite pegmatite (NE Portugal): Structural analysis and general evolution of an outergranite - pegmatite - innergranite stockscheider - M. F. C. PEREIRA, C. LEAL GOMES & L. A. AIRES-BARROS
Quartz
Formula: SiO2
Reference: Seixigal granite pegmatite (NE Portugal): Structural analysis and general evolution of an outergranite - pegmatite - innergranite stockscheider - M. F. C. PEREIRA, C. LEAL GOMES & L. A. AIRES-BARROS
Schorl
Formula: Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Reference: Manuel Maia's mineral colection
'Tourmaline'
Formula: A(D3)G6(Si6O18)(BO3)3X3Z
Reference: Seixigal granite pegmatite (NE Portugal): Structural analysis and general evolution of an outergranite - pegmatite - innergranite stockscheider - M. F. C. PEREIRA, C. LEAL GOMES & L. A. AIRES-BARROS

List of minerals arranged by Strunz 10th Edition classification

Group 3 - Halides
Fluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
Natrotantite4.DJ.05Na2Ta4O11
Quartz4.DA.05SiO2
Group 8 - Phosphates, Arsenates and Vanadates
Fluorapatite8.BN.05Ca5(PO4)3F
Group 9 - Silicates
Andalusite9.AF.10Al2(SiO4)O
Microcline9.FA.30K(AlSi3O8)
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
Phenakite9.AA.05Be2SiO4
Schorl9.CK.05Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Unclassified Minerals, Rocks, etc.
'Apatite'-Ca5(PO4)3(Cl/F/OH)
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
'Chlorite Group'-
'Feldspar Group'-
'Tourmaline'-A(D3)G6(Si6O18)(BO3)3X3Z

List of minerals arranged by Dana 8th Edition classification

Group 8 - MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
(AB)6O11·nH2O
Natrotantite8.6.2.2Na2Ta4O11
Group 9 - NORMAL HALIDES
AX2
Fluorite9.2.1.1CaF2
Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
A5(XO4)3Zq
Fluorapatite41.8.1.1Ca5(PO4)3F
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in [4] coordination
Phenakite51.1.1.1Be2SiO4
Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [4] and >[4] coordination
Andalusite52.2.2b.1Al2(SiO4)O
Group 61 - CYCLOSILICATES Six-Membered Rings
Six-Membered Rings with borate groups
Schorl61.3.1.10Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Microcline76.1.1.5K(AlSi3O8)
Unclassified Minerals, Mixtures, etc.
'Apatite'-Ca5(PO4)3(Cl/F/OH)
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
'Chlorite Group'-
'Feldspar Group'-
'Tourmaline'-A(D3)G6(Si6O18)(BO3)3X3Z

List of minerals for each chemical element

HHydrogen
H MuscoviteKAl2(AlSi3O10)(OH)2
H BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
H SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
H ApatiteCa5(PO4)3(Cl/F/OH)
BeBeryllium
Be PhenakiteBe2SiO4
BBoron
B TourmalineA(D3)G6(Si6O18)(BO3)3X3Z
B SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
OOxygen
O FluorapatiteCa5(PO4)3F
O QuartzSiO2
O TourmalineA(D3)G6(Si6O18)(BO3)3X3Z
O MuscoviteKAl2(AlSi3O10)(OH)2
O BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
O AndalusiteAl2(SiO4)O
O PhenakiteBe2SiO4
O NatrotantiteNa2Ta4O11
O SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
O ApatiteCa5(PO4)3(Cl/F/OH)
O MicroclineK(AlSi3O8)
FFluorine
F FluorapatiteCa5(PO4)3F
F BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
F FluoriteCaF2
F ApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
Na NatrotantiteNa2Ta4O11
Na SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
MgMagnesium
Mg BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
AlAluminium
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Al AndalusiteAl2(SiO4)O
Al SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
Al MicroclineK(AlSi3O8)
SiSilicon
Si QuartzSiO2
Si TourmalineA(D3)G6(Si6O18)(BO3)3X3Z
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Si AndalusiteAl2(SiO4)O
Si PhenakiteBe2SiO4
Si SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
Si MicroclineK(AlSi3O8)
PPhosphorus
P FluorapatiteCa5(PO4)3F
P ApatiteCa5(PO4)3(Cl/F/OH)
ClChlorine
Cl ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
K MuscoviteKAl2(AlSi3O10)(OH)2
K BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
K MicroclineK(AlSi3O8)
CaCalcium
Ca FluorapatiteCa5(PO4)3F
Ca FluoriteCaF2
Ca ApatiteCa5(PO4)3(Cl/F/OH)
FeIron
Fe BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Fe SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
TaTantalum
Ta NatrotantiteNa2Ta4O11

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Seixigal granite pegmatite (NE Portugal): Structural analysis and general evolution of an outergranite - pegmatite - innergranite stockscheider.
Granitic Pegmatites: The State of the Art – International Symposium. May 2007, Porto, Portugal.
M. F. C. PEREIRA, C. LEAL GOMES & L. A. AIRES-BARROS.
Pereira, M.F.C. & Gomes, C. L. (1998) Esboço de caracterização estrutural e mineralógica do pegmatito granítico do Seixigal - Pereira do Selão - Vidago. I Simpósio de Estudantes de geologia - "Geologia, Ambiente e Sociedade". Livro guia da excursão - Gomes, M. E.; Gomes, C.L.; Pereira, M.F.C. UTAD. pp. 12-17.
Pereira, M. F. C.; Gomes, C. L. e Aires-Barros (1998) - Análise estrutural e modo de instalação do pegmatito granítico de Pereira de Selão - Vidago (N de Portugal). Comunicações I G M, T 84, Fasc. 1, pp. B-43,B-46.
Pereira, M. F. C.; Gomes, C. L. e Aires-Barros (1999) - Discriminação composicional das unidades tardias do pegmatito de Pereira de Selão - Vidago - Norte de Portugal. Actas II Congresso Ibérico de Geoquímica / XI Semana de Geoquímica. Lisboa, Portugal, pp.273-276.

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