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Vaca Morta quarry, Serra da Vereda, Boquira, Bahia, Brazili
Regional Level Types
Vaca Morta quarryQuarry
Serra da Vereda- not defined -
BoquiraMunicipality
BahiaState
BrazilCountry

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Latitude & Longitude (WGS84):
12° 55' South , 42° 52' West
Latitude & Longitude (decimal):
Locality type:
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Boquira6,306 (2012)18.0km
Macaúbas14,597 (2012)21.5km
Paratinga10,261 (2012)42.6km


Mining for blue quartzite (Dumortierite-rich Quartzite).
Presently in the Boquira municipality, 20 km NW of Macaúbas (head of the municipality till 1962).

Regions containing this locality

South America PlateTectonic Plate
South AmericaContinent

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


6 valid minerals.

Detailed Mineral List:

Augelite
Formula: Al2(PO4)(OH)3
Reference: MinMag 61:607 (1997)
Crandallite
Formula: CaAl3(PO4)(PO3OH)(OH)6
Reference: MinMag 61:607 (1997)
Dumortierite
Formula: (Al,Fe3+)7(SiO4)3(BO3)O3
Reference: MinMag 61:607 (1997)
Lazulite
Formula: MgAl2(PO4)2(OH)2
Reference: 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.
Quartz
Formula: SiO2
Reference: MinMag 61:607 (1997)
Zircon
Formula: Zr(SiO4)
Reference: 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.

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
Group 8 - Phosphates, Arsenates and Vanadates
Augelite8.BE.05Al2(PO4)(OH)3
Crandallite8.BL.10CaAl3(PO4)(PO3OH)(OH)6
Lazulite8.BB.40MgAl2(PO4)2(OH)2
Group 9 - Silicates
Dumortierite9.AJ.10(Al,Fe3+)7(SiO4)3(BO3)O3
Zircon9.AD.30Zr(SiO4)

List of minerals arranged by Dana 8th Edition classification

Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
A2(XO4)Zq
Augelite41.6.8.1Al2(PO4)(OH)3
(AB)3(XO4)2Zq
Lazulite41.10.1.1MgAl2(PO4)2(OH)2
Group 42 - HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
(AB)2(XO4)Zq·xH2O
Crandallite42.7.3.1CaAl3(PO4)(PO3OH)(OH)6
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in >[6] coordination
Zircon51.5.2.1Zr(SiO4)
Group 54 - NESOSILICATES Borosilicates and Some Beryllosilicates
Borosilicates and Some Beryllosilicates with (BO3)
Dumortierite54.1.2.1(Al,Fe3+)7(SiO4)3(BO3)O3
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2

List of minerals for each chemical element

HHydrogen
H AugeliteAl2(PO4)(OH)3
H CrandalliteCaAl3(PO4)(PO3OH)(OH)6
H LazuliteMgAl2(PO4)2(OH)2
BBoron
B Dumortierite(Al,Fe3+)7(SiO4)3(BO3)O3
OOxygen
O AugeliteAl2(PO4)(OH)3
O CrandalliteCaAl3(PO4)(PO3OH)(OH)6
O Dumortierite(Al,Fe3+)7(SiO4)3(BO3)O3
O QuartzSiO2
O LazuliteMgAl2(PO4)2(OH)2
O ZirconZr(SiO4)
MgMagnesium
Mg LazuliteMgAl2(PO4)2(OH)2
AlAluminium
Al AugeliteAl2(PO4)(OH)3
Al CrandalliteCaAl3(PO4)(PO3OH)(OH)6
Al Dumortierite(Al,Fe3+)7(SiO4)3(BO3)O3
Al LazuliteMgAl2(PO4)2(OH)2
SiSilicon
Si Dumortierite(Al,Fe3+)7(SiO4)3(BO3)O3
Si QuartzSiO2
Si ZirconZr(SiO4)
PPhosphorus
P AugeliteAl2(PO4)(OH)3
P CrandalliteCaAl3(PO4)(PO3OH)(OH)6
P LazuliteMgAl2(PO4)2(OH)2
CaCalcium
Ca CrandalliteCaAl3(PO4)(PO3OH)(OH)6
ZrZirconium
Zr ZirconZr(SiO4)

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

Stenian
1000 - 1200 Ma



ID: 2312590
Viramundo

Age: Stenian (1000 - 1200 Ma)

Lithology: Phyllite, feldsapthic quartzite

Reference: Geological Survey of Brazil. State Geological Maps of Brazil. CPRM - Geobank. [43]

Calymmian - Statherian
1400 - 1800 Ma



ID: 3184765
Paleoproterozoic-Mesoproterozoic crystalline metamorphic rocks

Age: Proterozoic (1400 - 1800 Ma)

Lithology: Low-medium 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

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Visser, D., Felius, R.O, Moree, M. (1997) Augelite and cerian crandallite in dumortierite quartzites, Vaca Morta Quarry, Vereda Range, Macaubas, Bahia, Brazil. Mineralogical Magazine, 61(407), 607-609.
Horn, A.H., Fuchs, Y., de Carvalho Neves, S., Balan, E., Linarès, J. (2014) The occurrence of dumortierite in the Espinhaço Range, Minas Gerais, Brazil, and its mineralogical-crystallographic comparison with other specimen. Revista Espinhaço, 3(2), 4-14.
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.

External Links

http://www.minersoc.org/pages/Archive-MM/Volume_61/61-407-607.pdf - Visser, D. , Felius, R.O, Moree, M. (1997) Augelite and cerian crandallite in dumortierite quartzites, Vaca Morta Quarry, Vereda Range, Macaubas, Bahia, Brazil. Mineralogical Magazine, 61(407), 607-609.

http://oaji.net/articles/2015/2253-1440180038.pdf - Horn, A.H., Fuchs, Y., de Carvalho Neves, S., Balan, E., Linarès, J. (2014) The occurrence of dumortierite in the Espinhaço Range, Minas Gerais, Brazil, and its mineralogical-crystallographic comparison with other specimen. Revista Espinhaço, 3(2), 4-14.


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