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Capelinha, Minas Gerais, Brazili
Regional Level Types
Capelinha- not defined -
Minas Gerais- not defined -
BrazilCountry

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Key
Lock Map
Map of Capelinha Localities from Folentino (2017)

Capelinha, Minas Gerais, Brazil
Fanadinho Mine Titianite-Albite vein from Folentino (2017)

Fazenda Rubinho Pimenta claim, Capelinha, Minas Gerais, Brazil
The quartz-titanite vein at the working face of the Campo do Boa Mine in 2015; from Folentino (2017)

Campo do Boa mine, Capelinha, Minas Gerais, Brazil
View of Adit entrance, Campo do Boa Mine 2015; from Folentino (2017)

Campo do Boa mine, Capelinha, Minas Gerais, Brazil
Map of Capelinha Localities from Folentino (2017)

Capelinha, Minas Gerais, Brazil
Fanadinho Mine Titianite-Albite vein from Folentino (2017)

Fazenda Rubinho Pimenta claim, Capelinha, Minas Gerais, Brazil
The quartz-titanite vein at the working face of the Campo do Boa Mine in 2015; from Folentino (2017)

Campo do Boa mine, Capelinha, Minas Gerais, Brazil
View of Adit entrance, Campo do Boa Mine 2015; from Folentino (2017)

Campo do Boa mine, Capelinha, Minas Gerais, Brazil
Map of Capelinha Localities from Folentino (2017)

Capelinha, Minas Gerais, Brazil
Fanadinho Mine Titianite-Albite vein from Folentino (2017)

Fazenda Rubinho Pimenta claim, Capelinha, Minas Gerais, Brazil
Neighbouring regions:
Largest Settlements:
PlacePopulation
Capelinha20,073 (2012)


Veins in lateratized basic metavolcanic shale. The veins have a thickness of a few centimeters to 4 meters. They are made up primarily of feldspar (locally kaolinized) where druses of titanite and epidote are locally present. Uncommon minerals in the veins are apatite, ilmenite and actinolite. The veins are metamorphic in origin, formed by the alteration of the basic host rock. They are earlier, and unrelated to, the Li-pegmatites common in the immediate area.

The thesis has photographs of the localities:

Campo do Boa is a small, horizontal adit 3 meters high in the side of a red lateritic hill. The quartz/titanite vein at the end of the adit is 6 centimeters thick and sub-horizontal. All excavations are done by hand.

Fanadinho is a little larger than Campo do Boa and has a bulldozer cut into the hillside along with a small adit. The quartz/titanite vein at the end of the adit is smaller and more irregular at Fanadinho than at Campo do Boa but still 6 to 10 cm thick. All excavations except the bulldozed cut are done by hand.

The location map indicates that Campo do Boa is 18.7 kilometers northwest of the town of Capelinha and Fanadinho is 10.7 kilometers northeast of town. Both localities are in the same geological unit.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List

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

10 valid minerals. 1 erroneous literature entry.

Detailed Mineral List:

Actinolite
Formula: ☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Reference: Folentino (2017) M.Sc. Thesis
Albite
Formula: Na(AlSi3O8)
Reference: Specimen of albite, titanite, epidote in collection of Steve Stuart
Albite var: Pericline
Formula: Na(AlSi3O8)
Reference: Walter R. Kellogg
'Apatite'
Reference: Folentino (2017) M.Sc. Thesis
Epidote
Formula: {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Euclase
Formula: BeAl(SiO4)(OH)
Reference: Oleg Lopatkin specimen
Ferro-edenite
Formula: {Na}{Ca2}{Fe2+5}(AlSi7O22)(OH)2
Reference: www.minservice.com/store/scripts/catalog_available.asp
Ilmenite
Formula: Fe2+TiO3
Reference: Folentino (2017) M.Sc. Thesis
Kyanite
Formula: Al2(SiO4)O
Description: Kyanite has been randomly attributed by a mineral dealer for this location in order to sell a labeled specimen.
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: Oleg Lopatkin specimen
Quartz
Formula: SiO2
Titanite
Formula: CaTi(SiO4)O
Topaz
Formula: Al2(SiO4)(F,OH)2
Reference: Specimens with Milton Sklar (1972) [Rock Currier 2010]
'Tourmaline' ?
Formula: A(D3)G6(T6O18)(BO3)3X3Z
Description: Probably green epidote
Reference: Van King

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Ilmenite4.CB.05Fe2+TiO3
Quartz4.DA.05SiO2
Group 9 - Silicates
Actinolite9.DE.10☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Albite9.FA.35Na(AlSi3O8)
var: Pericline9.FA.35Na(AlSi3O8)
Epidote9.BG.05a{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Euclase9.AE.10BeAl(SiO4)(OH)
Ferro-edenite9.DE.15{Na}{Ca2}{Fe2+5}(AlSi7O22)(OH)2
Kyanite ?9.AF.15Al2(SiO4)O
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
Titanite9.AG.15CaTi(SiO4)O
Topaz9.AF.35Al2(SiO4)(F,OH)2
Unclassified Minerals, Rocks, etc.
'Apatite'-
'Tourmaline' ?-A(D3)G6(T6O18)(BO3)3X3Z

List of minerals arranged by Dana 8th Edition classification

Group 4 - SIMPLE OXIDES
A2X3
Ilmenite4.3.5.1Fe2+TiO3
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
Euclase52.2.1.1BeAl(SiO4)(OH)
Kyanite ?52.2.2c.1Al2(SiO4)O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] coordination only
Topaz52.3.1.1Al2(SiO4)(F,OH)2
Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] and/or >[6] coordination
Titanite52.4.3.1CaTi(SiO4)O
Group 58 - SOROSILICATES Insular, Mixed, Single, and Larger Tetrahedral Groups
Insular, Mixed, Single, and Larger Tetrahedral Groups with cations in [6] and higher coordination; single and double groups (n = 1, 2)
Epidote58.2.1a.7{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(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
Albite76.1.3.1Na(AlSi3O8)
Unclassified Minerals, Mixtures, etc.
Actinolite-☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Albite
var: Pericline
-Na(AlSi3O8)
'Apatite'-
Ferro-edenite-{Na}{Ca2}{Fe2+5}(AlSi7O22)(OH)2
'Tourmaline' ?-A(D3)G6(T6O18)(BO3)3X3Z

List of minerals for each chemical element

HHydrogen
H Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
H Ferro-edenite{Na}{Ca2}{Fe52+}(AlSi7O22)(OH)2
H TopazAl2(SiO4)(F,OH)2
H EuclaseBeAl(SiO4)(OH)
H MuscoviteKAl2(AlSi3O10)(OH)2
H Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
BeBeryllium
Be EuclaseBeAl(SiO4)(OH)
BBoron
B TourmalineA(D3)G6(T6O18)(BO3)3X3Z
OOxygen
O TitaniteCaTi(SiO4)O
O QuartzSiO2
O Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
O AlbiteNa(AlSi3O8)
O Ferro-edenite{Na}{Ca2}{Fe52+}(AlSi7O22)(OH)2
O TopazAl2(SiO4)(F,OH)2
O EuclaseBeAl(SiO4)(OH)
O MuscoviteKAl2(AlSi3O10)(OH)2
O Albite (var: Pericline)Na(AlSi3O8)
O IlmeniteFe2+TiO3
O Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
O TourmalineA(D3)G6(T6O18)(BO3)3X3Z
O KyaniteAl2(SiO4)O
FFluorine
F TopazAl2(SiO4)(F,OH)2
NaSodium
Na AlbiteNa(AlSi3O8)
Na Ferro-edenite{Na}{Ca2}{Fe52+}(AlSi7O22)(OH)2
Na Albite (var: Pericline)Na(AlSi3O8)
MgMagnesium
Mg Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
AlAluminium
Al Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Al AlbiteNa(AlSi3O8)
Al Ferro-edenite{Na}{Ca2}{Fe52+}(AlSi7O22)(OH)2
Al TopazAl2(SiO4)(F,OH)2
Al EuclaseBeAl(SiO4)(OH)
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al Albite (var: Pericline)Na(AlSi3O8)
Al KyaniteAl2(SiO4)O
SiSilicon
Si TitaniteCaTi(SiO4)O
Si QuartzSiO2
Si Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Si AlbiteNa(AlSi3O8)
Si Ferro-edenite{Na}{Ca2}{Fe52+}(AlSi7O22)(OH)2
Si TopazAl2(SiO4)(F,OH)2
Si EuclaseBeAl(SiO4)(OH)
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si Albite (var: Pericline)Na(AlSi3O8)
Si Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Si KyaniteAl2(SiO4)O
KPotassium
K MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Ca TitaniteCaTi(SiO4)O
Ca Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Ca Ferro-edenite{Na}{Ca2}{Fe52+}(AlSi7O22)(OH)2
Ca Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
TiTitanium
Ti TitaniteCaTi(SiO4)O
Ti IlmeniteFe2+TiO3
FeIron
Fe Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Fe Ferro-edenite{Na}{Ca2}{Fe52+}(AlSi7O22)(OH)2
Fe IlmeniteFe2+TiO3
Fe Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2

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

Neoproterozoic
541 - 1000 Ma



ID: 3189927
Neoproterozoic crystalline metamorphic rocks

Age: Neoproterozoic (541 - 1000 Ma)

Lithology: Low grade unclassified metamorphic rock

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]

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

References

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Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Folentino E.L. Jr. (2017) Mineralogy, origin and genesis of titanite in the municipio de Capelinha (Minas Gerais); (Portugese with English abstract), M.Sc. Thesis, UFMG, 93 p.

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