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Sete Fontes Mine, Gondesende, Bragança, Bragança, Portugali
Regional Level Types
Sete Fontes MineMine
Gondesende- not defined -
Bragança- not defined -
BragançaDistrict
PortugalCountry

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Name(s) in local language(s):MIna de Sete Fontes, Gondesende, Bragança, Distrito de Bragança, Portugal
Latitude & Longitude (WGS84): 41° 50' 32'' North , 6° 52' 34'' West
Latitude & Longitude (decimal): 41.84237,-6.87615
GeoHash:G#: ez7n590vq
Locality type:Mine
Köppen climate type:Csb : Warm-summer Mediterranean climate


Talc mine.

Regions containing this locality

Iberian Peninsula

Peninsula - 1,601 mineral species & varietal names listed

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


8 valid minerals.

Detailed Mineral List:

'Chlorite Group'
Reference: Dep Ciencias Terra FCT Universidade Coimbra
Chromite
Formula: Fe2+Cr3+2O4
Reference: Dep Ciencias Terra FCT Universidade Coimbra
Chromite var: Ferrian Chromite
Formula: Fe2+(Cr,Fe3+)2O4
Reference: Dep Ciencias Terra FCT Universidade Coimbra
Magnesite
Formula: MgCO3
Reference: Dep Ciencias Terra FCT Universidade Coimbra
Magnesite var: Breunnerite
Formula: (Mg,Fe)CO3
Reference: Dep Ciencias Terra FCT Universidade Coimbra
Magnetite
Formula: Fe2+Fe3+2O4
Reference: Dep Ciencias Terra FCT Universidade Coimbra
Magnetite var: Ishkulite
Formula: Fe2+(Fe3+,Cr3+)2O4
Reference: Dep Ciencias Terra FCT Universidade Coimbra
Millerite
Formula: NiS
Reference: Dep Ciencias Terra FCT Universidade Coimbra
Pentlandite
Formula: (FexNiy)Σ9S8
Reference: Dep Ciencias Terra FCT Universidade Coimbra
Pyrite
Formula: FeS2
Reference: Dep Ciencias Terra FCT Universidade Coimbra
'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Reference: Dep Ciencias Terra FCT Universidade Coimbra
Siegenite
Formula: CoNi2S4
Reference: Dep Ciencias Terra FCT Universidade Coimbra
Talc
Formula: Mg3Si4O10(OH)2
Reference: Dep Ciencias Terra FCT Universidade Coimbra

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Millerite2.CC.20NiS
Pentlandite2.BB.15(FexNiy)Σ9S8
Pyrite2.EB.05aFeS2
Siegenite2.DA.05CoNi2S4
Group 4 - Oxides and Hydroxides
Chromite4.BB.05Fe2+Cr3+2O4
var: Ferrian Chromite4.BB.05Fe2+(Cr,Fe3+)2O4
Magnetite4.BB.05Fe2+Fe3+2O4
var: Ishkulite4.BB.05Fe2+(Fe3+,Cr3+)2O4
Group 5 - Nitrates and Carbonates
Magnesite5.AB.05MgCO3
var: Breunnerite5.AB.05(Mg,Fe)CO3
Group 9 - Silicates
Talc9.EC.05Mg3Si4O10(OH)2
Unclassified Minerals, Rocks, etc.
Chlorite Group-
Serpentine Subgroup-D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 9:8
Pentlandite2.7.1.1(FexNiy)Σ9S8
AmXp, with m:p = 1:1
Millerite2.8.16.1NiS
AmBnXp, with (m+n):p = 3:4
Siegenite2.10.1.6CoNi2S4
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 7 - MULTIPLE OXIDES
AB2X4
Chromite7.2.3.3Fe2+Cr3+2O4
Magnetite7.2.2.3Fe2+Fe3+2O4
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Magnesite14.1.1.2MgCO3
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Talc71.2.1.3Mg3Si4O10(OH)2
Unclassified Minerals, Rocks, etc.
'Chlorite Group'-
Chromite
var: Ferrian Chromite
-Fe2+(Cr,Fe3+)2O4
Magnesite
var: Breunnerite
-(Mg,Fe)CO3
Magnetite
var: Ishkulite
-Fe2+(Fe3+,Cr3+)2O4
'Serpentine Subgroup'-D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn

List of minerals for each chemical element

HHydrogen
H Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
H TalcMg3Si4O10(OH)2
CCarbon
C Magnesite (var: Breunnerite)(Mg,Fe)CO3
C MagnesiteMgCO3
OOxygen
O Magnesite (var: Breunnerite)(Mg,Fe)CO3
O ChromiteFe2+Cr23+O4
O Chromite (var: Ferrian Chromite)Fe2+(Cr,Fe3+)2O4
O Magnetite (var: Ishkulite)Fe2+(Fe3+,Cr3+)2O4
O MagnesiteMgCO3
O MagnetiteFe2+Fe23+O4
O Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
O TalcMg3Si4O10(OH)2
MgMagnesium
Mg Magnesite (var: Breunnerite)(Mg,Fe)CO3
Mg MagnesiteMgCO3
Mg Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Mg TalcMg3Si4O10(OH)2
AlAluminium
Al Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
SiSilicon
Si Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Si TalcMg3Si4O10(OH)2
SSulfur
S MilleriteNiS
S Pentlandite(FexNiy)Σ9S8
S PyriteFeS2
S SiegeniteCoNi2S4
CrChromium
Cr ChromiteFe2+Cr23+O4
Cr Chromite (var: Ferrian Chromite)Fe2+(Cr,Fe3+)2O4
Cr Magnetite (var: Ishkulite)Fe2+(Fe3+,Cr3+)2O4
MnManganese
Mn Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
FeIron
Fe Magnesite (var: Breunnerite)(Mg,Fe)CO3
Fe ChromiteFe2+Cr23+O4
Fe Chromite (var: Ferrian Chromite)Fe2+(Cr,Fe3+)2O4
Fe Magnetite (var: Ishkulite)Fe2+(Fe3+,Cr3+)2O4
Fe MagnetiteFe2+Fe23+O4
Fe Pentlandite(FexNiy)Σ9S8
Fe PyriteFeS2
Fe Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
CoCobalt
Co SiegeniteCoNi2S4
NiNickel
Ni MilleriteNiS
Ni Pentlandite(FexNiy)Σ9S8
Ni Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Ni SiegeniteCoNi2S4
ZnZinc
Zn Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Ordovician
443.8 - 485.4 Ma



ID: 3185519
Paleozoic sedimentary rocks

Age: Ordovician (443.8 - 485.4 Ma)

Comments: Cantabrian Orogen

Lithology: Sedimentary rocks

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Neoproterozoic
541 - 1000 Ma



ID: 3153481
Serie Negra

Age: Neoproterozoic (541 - 1000 Ma)

Description: flysch (sediments)

Lithology: Major:{gneiss}, Minor{meta-sediment group,phyllite,quartzite}

Reference: Asch, K. The 1:5M International Geological Map of Europe and Adjacent Areas: Development and Implementation of a GIS-enabled Concept. Geologisches Jahrbuch, SA 3. [147]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License


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