Boquira, Bahia, Brazil (original) (raw)

ⓘ Albite

Formula: Na(AlSi3O8)

ⓘ Amblygonite

Formula: LiAl(PO4)F

References:

Franz, G., Morteani, G., Gerdes, A., & Rhede, D. (2014). Ages of protolith and Neoproterozoic metamorphism of Al-P-bearing quartzites of the Veredas formation (Northern Espinhaco, Brazil): LA-ICP-MS age determinations on relict and recrystallized zircon and geodynamic consequences. Precambrian Research, 250, 6-26.

ⓘ Anglesite

Formula: PbSO4

ⓘ 'Apatite'

Formula: Ca5(PO4)3(Cl/F/OH)

References:

Franz, G., Morteani, G., Gerdes, A., & Rhede, D. (2014). Ages of protolith and Neoproterozoic metamorphism of Al-P-bearing quartzites of the Veredas formation (Northern Espinhaco, Brazil): LA-ICP-MS age determinations on relict and recrystallized zircon and geodynamic consequences. Precambrian Research, 250, 6-26.

ⓘ Augelite

Formula: Al2(PO4)(OH)3

ⓘ Berlinite

Formula: AlPO4

ⓘ Brochantite

Formula: Cu4(SO4)(OH)6

ⓘ Cerussite

Formula: PbCO3

ⓘ Chalcopyrite

Formula: CuFeS2

References:

Misi, A., Iyer, S. S., Tassinari, C. C., Kyle, J. R., Coelho, C. E., Franca-Rocha, W. J., ... & Carvalho, I. G. (1999). Geological and isotopic constraints on the metallogenic evolution of the Proterozoic sediment-hosted Pb-Zn (Ag) deposits of Brazil. Gondwana Research, 2(1), 47-65

ⓘ Crandallite

Formula: CaAl3(PO4)(PO3OH)(OH)6

ⓘ Cummingtonite

Formula: ◻{Mg2}{Mg5}(Si8O22)(OH)2

References:

Misi, A., Iyer, S. S., Tassinari, C. C., Kyle, J. R., Coelho, C. E., Franca-Rocha, W. J., ... & Carvalho, I. G. (1999). Geological and isotopic constraints on the metallogenic evolution of the Proterozoic sediment-hosted Pb-Zn (Ag) deposits of Brazil. Gondwana Research, 2(1), 47-65

ⓘ Dumortierite

Formula: Al(Al2O)(Al2O)2(SiO4)3(BO3)

Localities:

Vaca Morta quarry, Serra da Vereda, Boquira, Bahia, Brazil
Macaúbas mountains, Boquira, Bahia, Brazil
São Marco quarry, Serra da Vereda, Boquira, Bahia, Brazil
Serra da Vereda, Boquira, Bahia, Brazil
Boquira, Bahia, Brazil

ⓘ Galena

Formula: PbS

References:

Misi, A., Iyer, S. S., Tassinari, C. C., Kyle, J. R., Coelho, C. E., Franca-Rocha, W. J., ... & Carvalho, I. G. (1999). Geological and isotopic constraints on the metallogenic evolution of the Proterozoic sediment-hosted Pb-Zn (Ag) deposits of Brazil. Gondwana Research, 2(1), 47-65

ⓘ Goyazite

Formula: SrAl3(PO4)(PO3OH)(OH)6

References:

Franz, G., Morteani, G., Gerdes, A., & Rhede, D. (2014). Ages of protolith and Neoproterozoic metamorphism of Al-P-bearing quartzites of the Veredas formation (Northern Espinhaco, Brazil): LA-ICP-MS age determinations on relict and recrystallized zircon and geodynamic consequences. Precambrian Research, 250, 6-26.

ⓘ Grunerite

Formula: ◻{Fe2+2}{Fe2+5}(Si8O22)(OH)2

References:

Misi, A., Iyer, S. S., Tassinari, C. C., Kyle, J. R., Coelho, C. E., Franca-Rocha, W. J., ... & Carvalho, I. G. (1999). Geological and isotopic constraints on the metallogenic evolution of the Proterozoic sediment-hosted Pb-Zn (Ag) deposits of Brazil. Gondwana Research, 2(1), 47-65

ⓘ Hematite

Formula: Fe2O3

Localities:

Boquira mine, Boquira, Bahia, Brazil
Sitio Novo quarry, Serra da Vereda, Boquira, Bahia, Brazil
São Marco quarry, Serra da Vereda, Boquira, Bahia, Brazil
Serra da Vereda, Boquira, Bahia, Brazil

ⓘ Kyanite

Formula: Al2(SiO4)O

References:

Franz, G., Morteani, G., Gerdes, A., & Rhede, D. (2014). Ages of protolith and Neoproterozoic metamorphism of Al-P-bearing quartzites of the Veredas formation (Northern Espinhaco, Brazil): LA-ICP-MS age determinations on relict and recrystallized zircon and geodynamic consequences. Precambrian Research, 250, 6-26.

ⓘ Lazulite

Formula: MgAl2(PO4)2(OH)2

Localities:

Vaca Morta quarry, Serra da Vereda, Boquira, Bahia, Brazil
Sitio Novo quarry, Serra da Vereda, Boquira, Bahia, Brazil
Serra da Vereda, Boquira, Bahia, Brazil

ⓘ Maghemite

Formula: (Fe3+0.67◻0.33)Fe3+2O4

References:

Misi, A., Iyer, S. S., Tassinari, C. C., Kyle, J. R., Coelho, C. E., Franca-Rocha, W. J., ... & Carvalho, I. G. (1999). Geological and isotopic constraints on the metallogenic evolution of the Proterozoic sediment-hosted Pb-Zn (Ag) deposits of Brazil. Gondwana Research, 2(1), 47-65

ⓘ Magnetite

Formula: Fe2+Fe3+2O4

ⓘ 'Monazite Group'

Formula: REE(PO4)

References:

Franz, G., Morteani, G., Gerdes, A., & Rhede, D. (2014). Ages of protolith and Neoproterozoic metamorphism of Al-P-bearing quartzites of the Veredas formation (Northern Espinhaco, Brazil): LA-ICP-MS age determinations on relict and recrystallized zircon and geodynamic consequences. Precambrian Research, 250, 6-26.

ⓘ Muscovite

Formula: KAl2(AlSi3O10)(OH)2

Localities:

São Marco quarry, Serra da Vereda, Boquira, Bahia, Brazil
Serra da Vereda, Boquira, Bahia, Brazil
Vaca Morta quarry, Serra da Vereda, Boquira, Bahia, Brazil

ⓘ Opal

Formula: SiO2 · nH2O

Colour: milky

ⓘ Opal var. Hyalite

Formula: SiO2 · nH2O

Colour: colourless

ⓘ Pyrite

Formula: FeS2

References:

Misi, A., Iyer, S. S., Tassinari, C. C., Kyle, J. R., Coelho, C. E., Franca-Rocha, W. J., ... & Carvalho, I. G. (1999). Geological and isotopic constraints on the metallogenic evolution of the Proterozoic sediment-hosted Pb-Zn (Ag) deposits of Brazil. Gondwana Research, 2(1), 47-65

ⓘ Pyromorphite

Formula: Pb5(PO4)3Cl

ⓘ Pyrrhotite

Formula: Fe1-xS

References:

Misi, A., Iyer, S. S., Tassinari, C. C., Kyle, J. R., Coelho, C. E., Franca-Rocha, W. J., ... & Carvalho, I. G. (1999). Geological and isotopic constraints on the metallogenic evolution of the Proterozoic sediment-hosted Pb-Zn (Ag) deposits of Brazil. Gondwana Research, 2(1), 47-65

ⓘ Quartz

Formula: SiO2

Localities: Reported from at least 6 localities in this region.

ⓘ Rectorite

Formula: (Na,Ca)Al4((Si,Al)8O20)(OH)4 · 2H2O

ⓘ Rutile

Formula: TiO2

ⓘ Schorl

Formula: NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)

ⓘ Scorzalite

Formula: Fe2+Al2(PO4)2(OH)2

References:

Franz, G., Morteani, G., Gerdes, A., & Rhede, D. (2014). Ages of protolith and Neoproterozoic metamorphism of Al-P-bearing quartzites of the Veredas formation (Northern Espinhaco, Brazil): LA-ICP-MS age determinations on relict and recrystallized zircon and geodynamic consequences. Precambrian Research, 250, 6-26.

ⓘ Sphalerite

Formula: ZnS

References:

Misi, A., Iyer, S. S., Tassinari, C. C., Kyle, J. R., Coelho, C. E., Franca-Rocha, W. J., ... & Carvalho, I. G. (1999). Geological and isotopic constraints on the metallogenic evolution of the Proterozoic sediment-hosted Pb-Zn (Ag) deposits of Brazil. Gondwana Research, 2(1), 47-65

ⓘ Svanbergite

Formula: SrAl3(PO4)(SO4)(OH)6

References:

Franz, G., Morteani, G., Gerdes, A., & Rhede, D. (2014). Ages of protolith and Neoproterozoic metamorphism of Al-P-bearing quartzites of the Veredas formation (Northern Espinhaco, Brazil): LA-ICP-MS age determinations on relict and recrystallized zircon and geodynamic consequences. Precambrian Research, 250, 6-26.

ⓘ 'Tourmaline'

Formula: A D3G6 (T6O18)(BO3)3X3Z

References:

Franz, G., Morteani, G., Gerdes, A., & Rhede, D. (2014). Ages of protolith and Neoproterozoic metamorphism of Al-P-bearing quartzites of the Veredas formation (Northern Espinhaco, Brazil): LA-ICP-MS age determinations on relict and recrystallized zircon and geodynamic consequences. Precambrian Research, 250, 6-26.

ⓘ Trolleite

Formula: Al4(PO4)3(OH)3

References:

Franz, G., Morteani, G., Gerdes, A., & Rhede, D. (2014). Ages of protolith and Neoproterozoic metamorphism of Al-P-bearing quartzites of the Veredas formation (Northern Espinhaco, Brazil): LA-ICP-MS age determinations on relict and recrystallized zircon and geodynamic consequences. Precambrian Research, 250, 6-26.

ⓘ 'Xenotime'

ⓘ Zircon

Formula: Zr(SiO4)

Localities:

Vaca Morta quarry, Serra da Vereda, Boquira, Bahia, Brazil
São Marco quarry, Serra da Vereda, Boquira, Bahia, Brazil
Serra da Vereda, Boquira, Bahia, Brazil