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

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Key
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1987: Looking for Diamonds in the Jequitinonha river

Diamantina, Minas Gerais, Brazil
1987: Looking for Diamonds in the Jequitinonha river

Diamantina, Minas Gerais, Brazil
1987: Looking for Diamonds in the Jequitinonha river

Diamantina, Minas Gerais, Brazil


Diamond-bearing Lower to Middle Proterozoic conglomerates, occurring along two roughly N-S trending lineaments west and southeast of Diamantina. The western lineament extends for over 60 km between Quartéis and São João da Chapada in the north and Datas in the south; the eastern lineament comprises the workings around Extração and Milho Verde.

Regions containing this locality

South America PlateTectonic Plate
South AmericaContinent

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List

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

28 valid minerals. 1 (TL) - type locality of valid minerals.

Detailed Mineral List:

Anatase
Formula: TiO2
Reference: No reference listed
Andalusite
Formula: Al2(SiO4)O
Reference: Diamond News, Part 1, Vol.5, No.17,2004,pp40-44; Diamond News, Part 2, Vol.5, No.18,2004,pp 13-19 [In Portuguese]
Brookite
Formula: TiO2
Reference: Anthony, J. W. et al. (1997): Handbook of Mineralogy, Vol. 3, 80
Chrysoberyl
Formula: BeAl2O4
Reference: Diamond News, Part 1, Vol.5, No.17,2004,pp40-44; Diamond News, Part 2, Vol.5, No.18,2004,pp 13-19 [In Portuguese]
Corundum
Formula: Al2O3
Reference: Nina Daneu, Herbert Schmid, Aleksander Rečnik, Werner Mader (2007) Atomic structure and formation mechanism of (301) rutile twins from Diamantina (Brazil). American Mineralogist 92: 1789-1799.
Diamond
Formula: C
Localities: Reported from at least 20 localities in this region.
Elbaite
Formula: Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Reference: Diamond News, Part 1, Vol.5, No.17,2004,pp40-44; Diamond News, Part 2, Vol.5, No.18,2004,pp 13-19 [In Portuguese]
Goethite
Formula: α-Fe3+O(OH)
Reference: Luigi Chiappino
Gold
Formula: Au
Gorceixite
Formula: BaAl3(PO4)(PO3OH)(OH)6
Goyazite (TL)
Formula: SrAl3(PO4)(PO3OH)(OH)6
Reference: Damour, A. (1884): Note sur un nouveau phosphate d'alumine et de chaux, des terrains diamantifères. Bulletin de la Société française de Minéralogie 7, 204-205.
Hematite
Formula: Fe2O3
Reference: Diamond News, Part 1, Vol.5, No.17,2004,pp40-44; Diamond News, Part 2, Vol.5, No.18,2004,pp 13-19 [In Portuguese]
Ilmenite
Formula: Fe2+TiO3
Reference: Nina Daneu, Herbert Schmid, Aleksander Rečnik, Werner Mader (2007) Atomic structure and formation mechanism of (301) rutile twins from Diamantina (Brazil). American Mineralogist 92: 1789-1799.
Kyanite
Formula: Al2(SiO4)O
Reference: Diamond News, Part 1, Vol.5, No.17,2004,pp40-44; Diamond News, Part 2, Vol.5, No.18,2004,pp 13-19 [In Portuguese]
Lazulite
Formula: MgAl2(PO4)2(OH)2
Reference: Diamond News, Part 1, Vol.5, No.17,2004,pp40-44; Diamond News, Part 2, Vol.5, No.18,2004,pp 13-19 [In Portuguese]
Magnetite
Formula: Fe2+Fe3+2O4
Reference: Diamond News, Part 1, Vol.5, No.17,2004,pp40-44; Diamond News, Part 2, Vol.5, No.18,2004,pp 13-19 [In Portuguese]
'Monazite'
Reference: Diamond News, Part 1, Vol.5, No.17,2004,pp40-44; Diamond News, Part 2, Vol.5, No.18,2004,pp 13-19 [In Portuguese]
Monazite-(Ce)
Formula: Ce(PO4)
Plumbogummite
Formula: PbAl3(PO4)(PO3OH)(OH)6
Description: Occurs as rolled fragments (favas) with a fibrous structure in diamantiferous sands in the region.
Reference: Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 831.
Pyrite
Formula: FeS2
Reference: Diamond News, Part 1, Vol.5, No.17,2004,pp40-44; Diamond News, Part 2, Vol.5, No.18,2004,pp 13-19 [In Portuguese]
Pyrophyllite
Formula: Al2Si4O10(OH)2
Reference: Rafael Hernandes Corrêa-Silva collection
Quartz
Formula: SiO2
Localities: Reported from at least 7 localities in this region.
Reference: No reference listed
Quartz var: Citrine
Formula: SiO2
Reference: Rafael Corrêa-Silva
Quartz var: Rock Crystal
Formula: SiO2
Quartz var: Smoky Quartz
Formula: SiO2
Rutile
Formula: TiO2
Schorl
Formula: Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Reference: Diamond News, Part 1, Vol.5, No.17,2004,pp40-44; Diamond News, Part 2, Vol.5, No.18,2004,pp 13-19 [In Portuguese]
Senaite
Formula: Pb(Mn,Y,U)(Fe,Zn)2(Ti,Fe,Cr,V)18(O,OH)38
Reference: Diamond News, Part 1, Vol.5, No.17,2004,pp40-44; Diamond News, Part 2, Vol.5, No.18,2004,pp 13-19 [In Portuguese]
Siderite ?
Formula: FeCO3
Reference: Luigi Chiappino
Tivanite
Formula: V3+TiO3(OH)
Reference: Nina Daneu, Herbert Schmid, Aleksander Rečnik, Werner Mader (2007) Atomic structure and formation mechanism of (301) rutile twins from Diamantina (Brazil). American Mineralogist 92: 1789-1799.
'Tourmalinated Quartz'
Reference: www.excaliburmineral.com
Xenotime-(Y)
Formula: Y(PO4)
Reference: Diamond News, Part 1, Vol.5, No.17,2004,pp40-44; Diamond News, Part 2, Vol.5, No.18,2004,pp 13-19 [In Portuguese]
Zircon
Formula: Zr(SiO4)
Reference: Diamond News, Part 1, Vol.5, No.17,2004,pp40-44; Diamond News, Part 2, Vol.5, No.18,2004,pp 13-19 [In Portuguese]

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Diamond1.CB.10aC
Gold1.AA.05Au
Group 2 - Sulphides and Sulfosalts
Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
Anatase4.DD.05TiO2
Brookite4.DD.10TiO2
Chrysoberyl4.BA.05BeAl2O4
Corundum4.CB.05Al2O3
Goethite4.00.α-Fe3+O(OH)
Hematite4.CB.05Fe2O3
Ilmenite4.CB.05Fe2+TiO3
Magnetite4.BB.05Fe2+Fe3+2O4
Quartz4.DA.05SiO2
var: Citrine4.DA.05SiO2
var: Rock Crystal4.DA.05SiO2
var: Smoky Quartz4.DA.05SiO2
Rutile4.DB.05TiO2
Senaite4.CC.40Pb(Mn,Y,U)(Fe,Zn)2(Ti,Fe,Cr,V)18(O,OH)38
Tivanite4.DB.45V3+TiO3(OH)
Group 5 - Nitrates and Carbonates
Siderite ?5.AB.05FeCO3
Group 8 - Phosphates, Arsenates and Vanadates
Gorceixite8.BL.10BaAl3(PO4)(PO3OH)(OH)6
Goyazite (TL)8.BL.10SrAl3(PO4)(PO3OH)(OH)6
Lazulite8.BB.40MgAl2(PO4)2(OH)2
Monazite-(Ce)8.AD.50Ce(PO4)
Plumbogummite8.BL.10PbAl3(PO4)(PO3OH)(OH)6
Xenotime-(Y)8.AD.35Y(PO4)
Group 9 - Silicates
Andalusite9.AF.10Al2(SiO4)O
Elbaite9.CK.05Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Kyanite9.AF.15Al2(SiO4)O
Pyrophyllite9.EC.10Al2Si4O10(OH)2
Schorl9.CK.05Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Zircon9.AD.30Zr(SiO4)
Unclassified Minerals, Rocks, etc.
'Monazite'-
'Tourmalinated Quartz'-

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
Semi-metals and non-metals
Diamond1.3.6.1C
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
A2X3
Corundum4.3.1.1Al2O3
Hematite4.3.1.2Fe2O3
Ilmenite4.3.5.1Fe2+TiO3
AX2
Anatase4.4.4.1TiO2
Brookite4.4.5.1TiO2
Rutile4.4.1.1TiO2
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
XO(OH)
Goethite6.1.1.2α-Fe3+O(OH)
X(OH)2
Tivanite6.2.8.1V3+TiO3(OH)
Group 7 - MULTIPLE OXIDES
AB2X4
Chrysoberyl7.2.9.1BeAl2O4
Magnetite7.2.2.3Fe2+Fe3+2O4
Group 8 - MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
AB21O38
Senaite8.5.1.4Pb(Mn,Y,U)(Fe,Zn)2(Ti,Fe,Cr,V)18(O,OH)38
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Siderite ?14.1.1.3FeCO3
Group 38 - ANHYDROUS NORMAL PHOSPHATES, ARSENATES, AND VANADATES
AXO4
Monazite-(Ce)38.4.3.1Ce(PO4)
Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
(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
Gorceixite42.7.3.2BaAl3(PO4)(PO3OH)(OH)6
Goyazite (TL)42.7.3.3SrAl3(PO4)(PO3OH)(OH)6
Plumbogummite42.7.3.5PbAl3(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 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
Andalusite52.2.2b.1Al2(SiO4)O
Kyanite52.2.2c.1Al2(SiO4)O
Group 61 - CYCLOSILICATES Six-Membered Rings
Six-Membered Rings with borate groups
Elbaite61.3.1.8Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Schorl61.3.1.10Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Pyrophyllite71.2.1.1Al2Si4O10(OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
'Monazite'-
Quartz
var: Citrine
-SiO2
var: Rock Crystal-SiO2
var: Smoky Quartz-SiO2
'Tourmalinated Quartz'-
Xenotime-(Y)-Y(PO4)

List of minerals for each chemical element

HHydrogen
H GoyaziteSrAl3(PO4)(PO3OH)(OH)6
H LazuliteMgAl2(PO4)2(OH)2
H ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
H GorceixiteBaAl3(PO4)(PO3OH)(OH)6
H SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
H SenaitePb(Mn,Y,U)(Fe,Zn)2(Ti,Fe,Cr,V)18(O,OH)38
H PyrophylliteAl2Si4O10(OH)2
H PlumbogummitePbAl3(PO4)(PO3OH)(OH)6
H Goethiteα-Fe3+O(OH)
H TivaniteV3+TiO3(OH)
LiLithium
Li ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
BeBeryllium
Be ChrysoberylBeAl2O4
BBoron
B ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
B SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
CCarbon
C DiamondC
C SideriteFeCO3
OOxygen
O GoyaziteSrAl3(PO4)(PO3OH)(OH)6
O AnataseTiO2
O QuartzSiO2
O RutileTiO2
O LazuliteMgAl2(PO4)2(OH)2
O ZirconZr(SiO4)
O ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
O GorceixiteBaAl3(PO4)(PO3OH)(OH)6
O HematiteFe2O3
O SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
O SenaitePb(Mn,Y,U)(Fe,Zn)2(Ti,Fe,Cr,V)18(O,OH)38
O Xenotime-(Y)Y(PO4)
O KyaniteAl2(SiO4)O
O MagnetiteFe2+Fe23+O4
O AndalusiteAl2(SiO4)O
O ChrysoberylBeAl2O4
O Quartz (var: Citrine)SiO2
O Quartz (var: Smoky Quartz)SiO2
O BrookiteTiO2
O PyrophylliteAl2Si4O10(OH)2
O PlumbogummitePbAl3(PO4)(PO3OH)(OH)6
O Monazite-(Ce)Ce(PO4)
O Goethiteα-Fe3+O(OH)
O IlmeniteFe2+TiO3
O TivaniteV3+TiO3(OH)
O CorundumAl2O3
O Quartz (var: Rock Crystal)SiO2
O SideriteFeCO3
NaSodium
Na ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Na SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
MgMagnesium
Mg LazuliteMgAl2(PO4)2(OH)2
AlAluminium
Al GoyaziteSrAl3(PO4)(PO3OH)(OH)6
Al LazuliteMgAl2(PO4)2(OH)2
Al ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Al GorceixiteBaAl3(PO4)(PO3OH)(OH)6
Al SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
Al KyaniteAl2(SiO4)O
Al AndalusiteAl2(SiO4)O
Al ChrysoberylBeAl2O4
Al PyrophylliteAl2Si4O10(OH)2
Al PlumbogummitePbAl3(PO4)(PO3OH)(OH)6
Al CorundumAl2O3
SiSilicon
Si QuartzSiO2
Si ZirconZr(SiO4)
Si ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Si SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
Si KyaniteAl2(SiO4)O
Si AndalusiteAl2(SiO4)O
Si Quartz (var: Citrine)SiO2
Si Quartz (var: Smoky Quartz)SiO2
Si PyrophylliteAl2Si4O10(OH)2
Si Quartz (var: Rock Crystal)SiO2
PPhosphorus
P GoyaziteSrAl3(PO4)(PO3OH)(OH)6
P LazuliteMgAl2(PO4)2(OH)2
P GorceixiteBaAl3(PO4)(PO3OH)(OH)6
P Xenotime-(Y)Y(PO4)
P PlumbogummitePbAl3(PO4)(PO3OH)(OH)6
P Monazite-(Ce)Ce(PO4)
SSulfur
S PyriteFeS2
TiTitanium
Ti AnataseTiO2
Ti RutileTiO2
Ti SenaitePb(Mn,Y,U)(Fe,Zn)2(Ti,Fe,Cr,V)18(O,OH)38
Ti BrookiteTiO2
Ti IlmeniteFe2+TiO3
Ti TivaniteV3+TiO3(OH)
VVanadium
V SenaitePb(Mn,Y,U)(Fe,Zn)2(Ti,Fe,Cr,V)18(O,OH)38
V TivaniteV3+TiO3(OH)
CrChromium
Cr SenaitePb(Mn,Y,U)(Fe,Zn)2(Ti,Fe,Cr,V)18(O,OH)38
MnManganese
Mn SenaitePb(Mn,Y,U)(Fe,Zn)2(Ti,Fe,Cr,V)18(O,OH)38
FeIron
Fe HematiteFe2O3
Fe PyriteFeS2
Fe SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
Fe SenaitePb(Mn,Y,U)(Fe,Zn)2(Ti,Fe,Cr,V)18(O,OH)38
Fe MagnetiteFe2+Fe23+O4
Fe Goethiteα-Fe3+O(OH)
Fe IlmeniteFe2+TiO3
Fe SideriteFeCO3
ZnZinc
Zn SenaitePb(Mn,Y,U)(Fe,Zn)2(Ti,Fe,Cr,V)18(O,OH)38
SrStrontium
Sr GoyaziteSrAl3(PO4)(PO3OH)(OH)6
YYttrium
Y SenaitePb(Mn,Y,U)(Fe,Zn)2(Ti,Fe,Cr,V)18(O,OH)38
Y Xenotime-(Y)Y(PO4)
ZrZirconium
Zr ZirconZr(SiO4)
BaBarium
Ba GorceixiteBaAl3(PO4)(PO3OH)(OH)6
CeCerium
Ce Monazite-(Ce)Ce(PO4)
AuGold
Au GoldAu
PbLead
Pb SenaitePb(Mn,Y,U)(Fe,Zn)2(Ti,Fe,Cr,V)18(O,OH)38
Pb PlumbogummitePbAl3(PO4)(PO3OH)(OH)6
UUranium
U SenaitePb(Mn,Y,U)(Fe,Zn)2(Ti,Fe,Cr,V)18(O,OH)38

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

Calymmian - Statherian
1400 - 1800 Ma



ID: 3185730
Paleoproterozoic-Mesoproterozoic crystalline metamorphic rocks

Age: Proterozoic (1400 - 1800 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

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Damour, A. (1884): Note sur un nouveau phosphate d'alumine et de chaux, des terrains diamantifères. Bulletin de la Société française de Minéralogie 7, 204-205.
Draper, D. (1920). The high level diamond-bearing breccias of Diamantine, Brazil. Transactions of the Geological Society of South Africa, 23, 43-51.
Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 831, 833.
Weiner, K-L. (1986): Ein besonderer Quarzkristall aus Brasilien. Lapis 11(10), 30-33.
Fleischer, R. (1998): A rift model for the sedimentary diamond deposits of Brazil. Mineralium Deposita 33, 238-254.

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