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Quebra Osso Gold Mine, Catas Altas, Minas Gerais, Brazili
Regional Level Types
Quebra Osso Gold MineMine (Abandoned)
Catas AltasMunicipality
Minas GeraisState
BrazilCountry

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Key
Latitude & Longitude (WGS84):
20° 3' 42'' South , 43° 26' 13'' West
Latitude & Longitude (decimal):
Locality type:
Mine (Abandoned) - last checked 2019
Deposit first discovered:
Before 1938
Nearest Settlements:
PlacePopulationDistance
Barão de Cocais22,387 (2012)13.9km
Rio Piracicaba10,439 (2012)31.2km
Caeté33,231 (2012)31.6km
Mariana45,236 (2012)35.2km
Ouro Preto63,678 (2012)37.7km


Historic gold mine from the Iron Quadrangle. Gold disseminated in graphite phyllite with pyrite and metaconglomerates.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


12 valid minerals.

Detailed Mineral List:

Aluminocopiapite
Formula: Al2/3Fe3+4(SO4)6(OH)2 · 20H2O
Reference: Atencio, D., Luchesi, I., Schorscher, H.D. (1994) Hohmannite and other supergene sulfates from Quebra-Osso mine, district of Santa Bárbara, MG, Brazil. Anais da Academia Brasileira de Ciências: 66: 501-501.
Alunogen
Formula: Al2(SO4)3 · 17H2O
Reference: Atencio, D., Luchesi, I., Schorscher, H.D. (1994) Hohmannite and other supergene sulfates from Quebra-Osso mine, district of Santa Bárbara, MG, Brazil. Anais da Academia Brasileira de Ciências: 66: 501-501.
Botryogen
Formula: MgFe3+(SO4)2(OH) · 7H2O
Reference: ATENCIO, D.; LUCHESI, I ; SCHORSCHER, H D . Hohmannite and other supergene sulfates from Quebra-Osso mine, district of Santa Bárbara, MG, Brazil.. Anais da Academia Brasileira de Ciências, v. 66, p. 501-501, 1994
Butlerite
Formula: Fe3+(SO4)(OH) · 2H2O
Reference: ATENCIO, D.; LUCHESI, I ; SCHORSCHER, H D . Hohmannite and other supergene sulfates from Quebra-Osso mine, district of Santa Bárbara, MG, Brazil.. Anais da Academia Brasileira de Ciências, v. 66, p. 501-501, 1994
Coquimbite
Formula: AlFe3(SO4)6(H2O)12·6H2O
Reference: ATENCIO, D.; LUCHESI, I ; SCHORSCHER, H D . Hohmannite and other supergene sulfates from Quebra-Osso mine, district of Santa Bárbara, MG, Brazil.. Anais da Academia Brasileira de Ciências, v. 66, p. 501-501, 1994
Fibroferrite
Formula: Fe3+(SO4)(OH) · 5H2O
Reference: ATENCIO, D.; LUCHESI, I ; SCHORSCHER, H D . Hohmannite and other supergene sulfates from Quebra-Osso mine, district of Santa Bárbara, MG, Brazil.. Anais da Academia Brasileira de Ciências, v. 66, p. 501-501, 1994
Gold
Formula: Au
Reference: CALÓGERAS, J. P. (1938) As minas do Brasil e sua legislação: Geologia econômica do Brasil. 2nd Edition, Vol 03, Companhia Editora Nacional, São Paulo, 507 p. Biblioteca Pedagógica Brasileira Vol 134.
Gypsum
Formula: CaSO4 · 2H2O
Reference: ATENCIO, D.; LUCHESI, I ; SCHORSCHER, H D . Hohmannite and other supergene sulfates from Quebra-Osso mine, district of Santa Bárbara, MG, Brazil.. Anais da Academia Brasileira de Ciências, v. 66, p. 501-501, 1994
Hohmannite
Formula: Fe3+2(SO4)2O · 8H2O
Reference: ATENCIO, D.; LUCHESI, I ; SCHORSCHER, H D . Hohmannite and other supergene sulfates from Quebra-Osso mine, district of Santa Bárbara, MG, Brazil.. Anais da Academia Brasileira de Ciências, v. 66, p. 501-501, 1994.
Melanterite
Formula: Fe2+(H2O)6SO4 · H2O
Reference: ATENCIO, D.; LUCHESI, I ; SCHORSCHER, H D . Hohmannite and other supergene sulfates from Quebra-Osso mine, district of Santa Bárbara, MG, Brazil.. Anais da Academia Brasileira de Ciências, v. 66, p. 501-501, 1994
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: MAXWELL, C. H. (1972) Geology and ore deposits of the Alegria District, Minas Gerais, Brazil. USGS Prof. Pap. 341-J. 72p.
Muscovite var: Fuchsite
Formula: K(Al,Cr)3Si3O10(OH)2
Reference: MAXWELL, C. H. (1972) Geology and ore deposits of the Alegria District, Minas Gerais, Brazil. USGS Prof. Pap. 341-J. 72p.
Römerite
Formula: Fe2+Fe3+2(SO4)4 · 14H2O
Reference: ATENCIO, D.; LUCHESI, I ; SCHORSCHER, H D . Hohmannite and other supergene sulfates from Quebra-Osso mine, district of Santa Bárbara, MG, Brazil.. Anais da Academia Brasileira de Ciências, v. 66, p. 501-501, 1994

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Gold1.AA.05Au
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Aluminocopiapite7.DB.35Al2/3Fe3+4(SO4)6(OH)2 · 20H2O
Alunogen7.CB.45Al2(SO4)3 · 17H2O
Botryogen7.DC.25MgFe3+(SO4)2(OH) · 7H2O
Butlerite7.DC.10Fe3+(SO4)(OH) · 2H2O
Coquimbite7.CB.55AlFe3(SO4)6(H2O)12·6H2O
Fibroferrite7.DC.15Fe3+(SO4)(OH) · 5H2O
Gypsum7.CD.40CaSO4 · 2H2O
Hohmannite7.DB.30Fe3+2(SO4)2O · 8H2O
Melanterite7.CB.35Fe2+(H2O)6SO4 · H2O
Römerite7.CB.75Fe2+Fe3+2(SO4)4 · 14H2O
Group 9 - Silicates
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
var: Fuchsite9.EC.15K(Al,Cr)3Si3O10(OH)2

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Gold1.1.1.1Au
Group 29 - HYDRATED ACID AND NORMAL SULFATES
AXO4·xH2O
Gypsum29.6.3.1CaSO4 · 2H2O
Melanterite29.6.10.1Fe2+(H2O)6SO4 · H2O
AB2(XO4)4·H2O
Römerite29.7.2.1Fe2+Fe3+2(SO4)4 · 14H2O
A2(XO4)3·H2O
Alunogen29.8.6.1Al2(SO4)3 · 17H2O
Coquimbite29.8.3.1AlFe3(SO4)6(H2O)12·6H2O
Group 31 - HYDRATED SULFATES CONTAINING HYDROXYL OR HALOGEN
(AB)(XO4)Zq·xH2O
Botryogen31.9.6.1MgFe3+(SO4)2(OH) · 7H2O
Butlerite31.9.1.1Fe3+(SO4)(OH) · 2H2O
Fibroferrite31.9.12.1Fe3+(SO4)(OH) · 5H2O
Hohmannite31.9.4.1Fe3+2(SO4)2O · 8H2O
Miscellaneous
Aluminocopiapite31.10.5.7Al2/3Fe3+4(SO4)6(OH)2 · 20H2O
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
Unclassified Minerals, Mixtures, etc.
var: Fuchsite-K(Al,Cr)3Si3O10(OH)2

List of minerals for each chemical element

HHydrogen
H MuscoviteKAl2(AlSi3O10)(OH)2
H MelanteriteFe2+(H2O)6SO4 · H2O
H RömeriteFe2+Fe23+(SO4)4 · 14H2O
H AluminocopiapiteAl2/3Fe43+(SO4)6(OH)2 · 20H2O
H AlunogenAl2(SO4)3 · 17H2O
H CoquimbiteAlFe3(SO4)6(H2O)12·6H2O
H GypsumCaSO4 · 2H2O
H FibroferriteFe3+(SO4)(OH) · 5H2O
H BotryogenMgFe3+(SO4)2(OH) · 7H2O
H ButleriteFe3+(SO4)(OH) · 2H2O
H HohmanniteFe23+(SO4)2O · 8H2O
H Muscovite (var: Fuchsite)K(Al,Cr)3Si3O10(OH)2
OOxygen
O MuscoviteKAl2(AlSi3O10)(OH)2
O MelanteriteFe2+(H2O)6SO4 · H2O
O RömeriteFe2+Fe23+(SO4)4 · 14H2O
O AluminocopiapiteAl2/3Fe43+(SO4)6(OH)2 · 20H2O
O AlunogenAl2(SO4)3 · 17H2O
O CoquimbiteAlFe3(SO4)6(H2O)12·6H2O
O GypsumCaSO4 · 2H2O
O FibroferriteFe3+(SO4)(OH) · 5H2O
O BotryogenMgFe3+(SO4)2(OH) · 7H2O
O ButleriteFe3+(SO4)(OH) · 2H2O
O HohmanniteFe23+(SO4)2O · 8H2O
O Muscovite (var: Fuchsite)K(Al,Cr)3Si3O10(OH)2
MgMagnesium
Mg AluminocopiapiteAl2/3Fe43+(SO4)6(OH)2 · 20H2O
Mg BotryogenMgFe3+(SO4)2(OH) · 7H2O
AlAluminium
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al AluminocopiapiteAl2/3Fe43+(SO4)6(OH)2 · 20H2O
Al AlunogenAl2(SO4)3 · 17H2O
Al CoquimbiteAlFe3(SO4)6(H2O)12·6H2O
Al Muscovite (var: Fuchsite)K(Al,Cr)3Si3O10(OH)2
SiSilicon
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si Muscovite (var: Fuchsite)K(Al,Cr)3Si3O10(OH)2
SSulfur
S MelanteriteFe2+(H2O)6SO4 · H2O
S RömeriteFe2+Fe23+(SO4)4 · 14H2O
S AluminocopiapiteAl2/3Fe43+(SO4)6(OH)2 · 20H2O
S AlunogenAl2(SO4)3 · 17H2O
S CoquimbiteAlFe3(SO4)6(H2O)12·6H2O
S GypsumCaSO4 · 2H2O
S FibroferriteFe3+(SO4)(OH) · 5H2O
S BotryogenMgFe3+(SO4)2(OH) · 7H2O
S ButleriteFe3+(SO4)(OH) · 2H2O
S HohmanniteFe23+(SO4)2O · 8H2O
KPotassium
K MuscoviteKAl2(AlSi3O10)(OH)2
K Muscovite (var: Fuchsite)K(Al,Cr)3Si3O10(OH)2
CaCalcium
Ca GypsumCaSO4 · 2H2O
CrChromium
Cr Muscovite (var: Fuchsite)K(Al,Cr)3Si3O10(OH)2
FeIron
Fe MelanteriteFe2+(H2O)6SO4 · H2O
Fe RömeriteFe2+Fe23+(SO4)4 · 14H2O
Fe AluminocopiapiteAl2/3Fe43+(SO4)6(OH)2 · 20H2O
Fe CoquimbiteAlFe3(SO4)6(H2O)12·6H2O
Fe FibroferriteFe3+(SO4)(OH) · 5H2O
Fe BotryogenMgFe3+(SO4)2(OH) · 7H2O
Fe ButleriteFe3+(SO4)(OH) · 2H2O
Fe HohmanniteFe23+(SO4)2O · 8H2O
AuGold
Au GoldAu

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Calógeras, J.P. (1938) As minas do Brasil e sua legislação. Geologia econômica do Brasil. 2nd Edition, Vol 03, Companhia Editora Nacional, São Paulo, 507 pages. Biblioteca Pedagógica Brasileira Vol 134.
Moraes, L.J., Barbosa, O. (1939) Ouro no centro de Minas Gerais. Boletim do DNPM/DFPM 38 (186), 188 pages.
Maxwell, C.H. (1972) Geology and ore deposits of the Alegria District, Minas Gerais, Brazil. USGS Professional Paper 341-J. 72 pages.
Luchesi, I. (1991) Evolução petrogenética e metalogenética da Serra da Boa Vista, Quadrilátero Ferrífero – MG. Dissertação – Instituto de Geociências, Universidade de São Paulo, São Paulo, 220 pages.
Rossi, G. (2011) Quartzitos e metaconglomerados auríferos da Sequência da Serra da Boa Vista, borda leste do Quadrilátero Ferrífero, MG, Brasil. Dissertação – Instituto de Geociências, Universidade de São Paulo, São Paulo, 312 pages.
ATENCIO, D.; LUCHESI, I ; SCHORSCHER, H D . (1994): Hohmannite and other supergene sulfates from Quebra-Osso mine, district of Santa Bárbara, MG, Brazil. Anais da Academia Brasileira de Ciências, 66, 501-501.

External Links


Other Regions, Features and Areas containing this locality

Brazil
South AmericaContinent
South America PlateTectonic Plate

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