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Hiassu farm, Itaju do Colônia, Bahia, Brazili
Regional Level Types
Hiassu farmFarm
Itaju do Colônia- not defined -
Bahia- not defined -
BrazilCountry

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Latitude & Longitude (WGS84):
15° 20' 33'' South , 39° 46' 55'' West
Latitude & Longitude (decimal):
Locality type:
Nearest Settlements:
PlacePopulationDistance
Pau Brasil8,136 (2012)19.5km
Itororó17,324 (2012)39.8km
Itarantim12,369 (2012)46.5km


Source of "Blue Bahia" dimension stone from an about 1 km2 sodalite syenite intrusion.

Regions containing this locality

South America PlateTectonic Plate
South AmericaContinent

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


14 valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Aegirine
Formula: NaFe3+Si2O6
Description: In small aggregates with other dark minerals or discontinuous thin (<2cm) veins.
Reference: Maria de Lourdes da Silva Rosa, Herbet Conceição, Moacir José Buenano Macambira, Marco Antonio Galarza, Mônica Pringsheim Cunha, Rita Cunha Leal Menezes, Moacyr Moura Marinho, Basílio Elesbão da Cruz Filho, Débora Correia Rios (2007) Neoproterozoic anorogenic magmatism in the Southern Bahia Alkaline Province of NE Brazil: U–Pb and Pb–Pb ages of the blue sodalite syenites, Lithos, vol. 97, 88-97.
Albite
Formula: Na(AlSi3O8)
Description: Crystals up to 20 cm can be found in pegmatites.
Reference: Maria de Lourdes da Silva Rosa, Herbet Conceição, Moacir José Buenano Macambira, Marco Antonio Galarza, Mônica Pringsheim Cunha, Rita Cunha Leal Menezes, Moacyr Moura Marinho, Basílio Elesbão da Cruz Filho, Débora Correia Rios (2007) Neoproterozoic anorogenic magmatism in the Southern Bahia Alkaline Province of NE Brazil: U–Pb and Pb–Pb ages of the blue sodalite syenites, Lithos, vol. 97, 88-97.
Analcime
Formula: Na(AlSi2O6) · H2O
Description: occurs sporadically
Reference: Maria de Lourdes da Silva Rosa, Herbet Conceição, Moacir José Buenano Macambira, Marco Antonio Galarza, Mônica Pringsheim Cunha, Rita Cunha Leal Menezes, Moacyr Moura Marinho, Basílio Elesbão da Cruz Filho, Débora Correia Rios (2007) Neoproterozoic anorogenic magmatism in the Southern Bahia Alkaline Province of NE Brazil: U–Pb and Pb–Pb ages of the blue sodalite syenites, Lithos, vol. 97, 88-97.
'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Description: In small aggregates with other dark minerals
Reference: Maria de Lourdes da Silva Rosa, Herbet Conceição, Moacir José Buenano Macambira, Marco Antonio Galarza, Mônica Pringsheim Cunha, Rita Cunha Leal Menezes, Moacyr Moura Marinho, Basílio Elesbão da Cruz Filho, Débora Correia Rios (2007) Neoproterozoic anorogenic magmatism in the Southern Bahia Alkaline Province of NE Brazil: U–Pb and Pb–Pb ages of the blue sodalite syenites, Lithos, vol. 97, 88-97.
Calcite
Formula: CaCO3
Description: In small aggregates with dark minerals
Reference: Maria de Lourdes da Silva Rosa, Herbet Conceição, Moacir José Buenano Macambira, Marco Antonio Galarza, Mônica Pringsheim Cunha, Rita Cunha Leal Menezes, Moacyr Moura Marinho, Basílio Elesbão da Cruz Filho, Débora Correia Rios (2007) Neoproterozoic anorogenic magmatism in the Southern Bahia Alkaline Province of NE Brazil: U–Pb and Pb–Pb ages of the blue sodalite syenites, Lithos, vol. 97, 88-97.
Cancrinite
Formula: (Na,Ca,☐)8(Al6Si6O24)(CO3,SO4)2 · 2H2O
Reference: Maria de Lourdes da Silva Rosa, Herbet Conceição, Moacir José Buenano Macambira, Marco Antonio Galarza, Mônica Pringsheim Cunha, Rita Cunha Leal Menezes, Moacyr Moura Marinho, Basílio Elesbão da Cruz Filho, Débora Correia Rios (2007) Neoproterozoic anorogenic magmatism in the Southern Bahia Alkaline Province of NE Brazil: U–Pb and Pb–Pb ages of the blue sodalite syenites, Lithos, vol. 97, 88-97.
Ilmenite
Formula: Fe2+TiO3
Description: sporadically found
Reference: Maria de Lourdes da Silva Rosa, Herbet Conceição, Moacir José Buenano Macambira, Marco Antonio Galarza, Mônica Pringsheim Cunha, Rita Cunha Leal Menezes, Moacyr Moura Marinho, Basílio Elesbão da Cruz Filho, Débora Correia Rios (2007) Neoproterozoic anorogenic magmatism in the Southern Bahia Alkaline Province of NE Brazil: U–Pb and Pb–Pb ages of the blue sodalite syenites, Lithos, vol. 97, 88-97.
Magnetite
Formula: Fe2+Fe3+2O4
Description: Sporadically found
Reference: Maria de Lourdes da Silva Rosa, Herbet Conceição, Moacir José Buenano Macambira, Marco Antonio Galarza, Mônica Pringsheim Cunha, Rita Cunha Leal Menezes, Moacyr Moura Marinho, Basílio Elesbão da Cruz Filho, Débora Correia Rios (2007) Neoproterozoic anorogenic magmatism in the Southern Bahia Alkaline Province of NE Brazil: U–Pb and Pb–Pb ages of the blue sodalite syenites, Lithos, vol. 97, 88-97.
Microcline
Formula: K(AlSi3O8)
Reference: Maria de Lourdes da Silva Rosa, Herbet Conceição, Moacir José Buenano Macambira, Marco Antonio Galarza, Mônica Pringsheim Cunha, Rita Cunha Leal Menezes, Moacyr Moura Marinho, Basílio Elesbão da Cruz Filho, Débora Correia Rios (2007) Neoproterozoic anorogenic magmatism in the Southern Bahia Alkaline Province of NE Brazil: U–Pb and Pb–Pb ages of the blue sodalite syenites, Lithos, vol. 97, 88-97.
Nepheline
Formula: Na3K(Al4Si4O16)
Description: Nepheline crystals may reach 1m length in pegmatites.
Reference: Maria de Lourdes da Silva Rosa, Herbet Conceição, Moacir José Buenano Macambira, Marco Antonio Galarza, Mônica Pringsheim Cunha, Rita Cunha Leal Menezes, Moacyr Moura Marinho, Basílio Elesbão da Cruz Filho, Débora Correia Rios (2007) Neoproterozoic anorogenic magmatism in the Southern Bahia Alkaline Province of NE Brazil: U–Pb and Pb–Pb ages of the blue sodalite syenites, Lithos, vol. 97, 88-97.
Paragonite
Formula: NaAl2(AlSi3O10)(OH)2
Reference: Maria de Lourdes da Silva Rosa, Herbet Conceição, Moacir José Buenano Macambira, Marco Antonio Galarza, Mônica Pringsheim Cunha, Rita Cunha Leal Menezes, Moacyr Moura Marinho, Basílio Elesbão da Cruz Filho, Débora Correia Rios (2007) Neoproterozoic anorogenic magmatism in the Southern Bahia Alkaline Province of NE Brazil: U–Pb and Pb–Pb ages of the blue sodalite syenites, Lithos, vol. 97, 88-97.
Pyrite
Formula: FeS2
Reference: Jewel Tunnel specimen (striated cube embedded in massive sodalite)
Sodalite
Formula: Na8(Al6Si6O24)Cl2
Description: Economical deposit of blue sodalite for dimension stone and jewelry.
Reference: Maria de Lourdes da Silva Rosa, Herbet Conceição, Moacir José Buenano Macambira, Marco Antonio Galarza, Mônica Pringsheim Cunha, Rita Cunha Leal Menezes, Moacyr Moura Marinho, Basílio Elesbão da Cruz Filho, Débora Correia Rios (2007) Neoproterozoic anorogenic magmatism in the Southern Bahia Alkaline Province of NE Brazil: U–Pb and Pb–Pb ages of the blue sodalite syenites, Lithos, vol. 97, 88-97.
Taramite ?
Formula: {Na}{CaNa}{Mg3Al2}(Al2Si6O22)(OH)2
Description: In small aggregates with other dark minerals. Reference lists "potassian taramite" but with no analytical data confirming the ID.
Reference: Maria de Lourdes da Silva Rosa, Herbet Conceição, Moacir José Buenano Macambira, Marco Antonio Galarza, Mônica Pringsheim Cunha, Rita Cunha Leal Menezes, Moacyr Moura Marinho, Basílio Elesbão da Cruz Filho, Débora Correia Rios (2007) Neoproterozoic anorogenic magmatism in the Southern Bahia Alkaline Province of NE Brazil: U–Pb and Pb–Pb ages of the blue sodalite syenites, Lithos, vol. 97, 88-97.
Titanite
Formula: CaTi(SiO4)O
Reference: Maria de Lourdes da Silva Rosa, Herbet Conceição, Moacir José Buenano Macambira, Marco Antonio Galarza, Mônica Pringsheim Cunha, Rita Cunha Leal Menezes, Moacyr Moura Marinho, Basílio Elesbão da Cruz Filho, Débora Correia Rios (2007) Neoproterozoic anorogenic magmatism in the Southern Bahia Alkaline Province of NE Brazil: U–Pb and Pb–Pb ages of the blue sodalite syenites, Lithos, vol. 97, 88-97.

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
Ilmenite4.CB.05Fe2+TiO3
Magnetite4.BB.05Fe2+Fe3+2O4
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Group 9 - Silicates
Aegirine9.DA.25NaFe3+Si2O6
Albite9.FA.35Na(AlSi3O8)
Analcime9.GB.05Na(AlSi2O6) · H2O
Cancrinite9.FB.05(Na,Ca,☐)8(Al6Si6O24)(CO3,SO4)2 · 2H2O
Microcline9.FA.30K(AlSi3O8)
Nepheline9.FA.05Na3K(Al4Si4O16)
Paragonite9.EC.15NaAl2(AlSi3O10)(OH)2
Sodalite9.FB.10Na8(Al6Si6O24)Cl2
Taramite ?9.DE.20{Na}{CaNa}{Mg3Al2}(Al2Si6O22)(OH)2
Titanite9.AG.15CaTi(SiO4)O
Unclassified Minerals, Rocks, etc.
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
A2X3
Ilmenite4.3.5.1Fe2+TiO3
Group 7 - MULTIPLE OXIDES
AB2X4
Magnetite7.2.2.3Fe2+Fe3+2O4
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] and/or >[6] coordination
Titanite52.4.3.1CaTi(SiO4)O
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Aegirine65.1.3c.2NaFe3+Si2O6
Group 66 - INOSILICATES Double-Width,Unbranched Chains,(W=2)
Amphiboles - Mg-Fe-Mn-Li subgroup
Taramite ?66.1.3b.15{Na}{CaNa}{Mg3Al2}(Al2Si6O22)(OH)2
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Paragonite71.2.2a.2NaAl2(AlSi3O10)(OH)2
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Albite76.1.3.1Na(AlSi3O8)
Microcline76.1.1.5K(AlSi3O8)
Al-Si Framework Feldspathoids and related species
Cancrinite76.2.5.3(Na,Ca,☐)8(Al6Si6O24)(CO3,SO4)2 · 2H2O
Nepheline76.2.1.2Na3K(Al4Si4O16)
Sodalite76.2.3.1Na8(Al6Si6O24)Cl2
Group 77 - TECTOSILICATES Zeolites
Zeolite group - True zeolites
Analcime77.1.1.1Na(AlSi2O6) · H2O
Unclassified Minerals, Mixtures, etc.
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2

List of minerals for each chemical element

HHydrogen
H Cancrinite(Na,Ca,☐)8(Al6Si6O24)(CO3,SO4)2 · 2H2O
H BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
H ParagoniteNaAl2(AlSi3O10)(OH)2
H AnalcimeNa(AlSi2O6) · H2O
H Taramite{Na}{CaNa}{Mg3Al2}(Al2Si6O22)(OH)2
CCarbon
C Cancrinite(Na,Ca,☐)8(Al6Si6O24)(CO3,SO4)2 · 2H2O
C CalciteCaCO3
OOxygen
O SodaliteNa8(Al6Si6O24)Cl2
O NephelineNa3K(Al4Si4O16)
O Cancrinite(Na,Ca,☐)8(Al6Si6O24)(CO3,SO4)2 · 2H2O
O CalciteCaCO3
O BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
O AegirineNaFe3+Si2O6
O TitaniteCaTi(SiO4)O
O MicroclineK(AlSi3O8)
O ParagoniteNaAl2(AlSi3O10)(OH)2
O AlbiteNa(AlSi3O8)
O MagnetiteFe2+Fe23+O4
O IlmeniteFe2+TiO3
O AnalcimeNa(AlSi2O6) · H2O
O Taramite{Na}{CaNa}{Mg3Al2}(Al2Si6O22)(OH)2
FFluorine
F BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
NaSodium
Na SodaliteNa8(Al6Si6O24)Cl2
Na NephelineNa3K(Al4Si4O16)
Na Cancrinite(Na,Ca,☐)8(Al6Si6O24)(CO3,SO4)2 · 2H2O
Na AegirineNaFe3+Si2O6
Na ParagoniteNaAl2(AlSi3O10)(OH)2
Na AlbiteNa(AlSi3O8)
Na AnalcimeNa(AlSi2O6) · H2O
Na Taramite{Na}{CaNa}{Mg3Al2}(Al2Si6O22)(OH)2
MgMagnesium
Mg BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Mg Taramite{Na}{CaNa}{Mg3Al2}(Al2Si6O22)(OH)2
AlAluminium
Al SodaliteNa8(Al6Si6O24)Cl2
Al NephelineNa3K(Al4Si4O16)
Al Cancrinite(Na,Ca,☐)8(Al6Si6O24)(CO3,SO4)2 · 2H2O
Al BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Al MicroclineK(AlSi3O8)
Al ParagoniteNaAl2(AlSi3O10)(OH)2
Al AlbiteNa(AlSi3O8)
Al AnalcimeNa(AlSi2O6) · H2O
Al Taramite{Na}{CaNa}{Mg3Al2}(Al2Si6O22)(OH)2
SiSilicon
Si SodaliteNa8(Al6Si6O24)Cl2
Si NephelineNa3K(Al4Si4O16)
Si Cancrinite(Na,Ca,☐)8(Al6Si6O24)(CO3,SO4)2 · 2H2O
Si BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Si AegirineNaFe3+Si2O6
Si TitaniteCaTi(SiO4)O
Si MicroclineK(AlSi3O8)
Si ParagoniteNaAl2(AlSi3O10)(OH)2
Si AlbiteNa(AlSi3O8)
Si AnalcimeNa(AlSi2O6) · H2O
Si Taramite{Na}{CaNa}{Mg3Al2}(Al2Si6O22)(OH)2
SSulfur
S Cancrinite(Na,Ca,☐)8(Al6Si6O24)(CO3,SO4)2 · 2H2O
S PyriteFeS2
ClChlorine
Cl SodaliteNa8(Al6Si6O24)Cl2
KPotassium
K NephelineNa3K(Al4Si4O16)
K BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
K MicroclineK(AlSi3O8)
CaCalcium
Ca Cancrinite(Na,Ca,☐)8(Al6Si6O24)(CO3,SO4)2 · 2H2O
Ca CalciteCaCO3
Ca TitaniteCaTi(SiO4)O
Ca Taramite{Na}{CaNa}{Mg3Al2}(Al2Si6O22)(OH)2
TiTitanium
Ti TitaniteCaTi(SiO4)O
Ti IlmeniteFe2+TiO3
FeIron
Fe BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Fe AegirineNaFe3+Si2O6
Fe PyriteFeS2
Fe MagnetiteFe2+Fe23+O4
Fe IlmeniteFe2+TiO3

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

Paleoproterozoic - Archean
1600 - 4000 Ma



ID: 3186211
Archean-Paleoproterozoic crystalline metamorphic rocks

Age: Precambrian (1600 - 4000 Ma)

Lithology: Medium-high grade orthogneiss/paragneiss/metavolcanic gneiss

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]

Neoarchean - Mesoarchean
2500 - 3200 Ma



ID: 2317095
Ibicaraí - enderbito indiferenciado

Age: Archean (2500 - 3200 Ma)

Lithology: Charnockite, Metatrondhjemito

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

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)
Fujimori, S. (1978) Rochas alcalinas da fazenda Hiassu, Itaju do Colônia, Bahia. SBG, Bahia, 117 pages.
Maria de Lourdes da Silva Rosa, Herbet Conceição, Moacir José Buenano Macambira, Marco Antonio Galarza, Mônica Pringsheim Cunha, Rita Cunha Leal Menezes, Moacyr Moura Marinho, Basílio Elesbão da Cruz Filho, Débora Correia Rios (2007) Neoproterozoic anorogenic magmatism in the Southern Bahia Alkaline Province of NE Brazil: U–Pb and Pb–Pb ages of the blue sodalite syenites, Lithos, 97:1, 88-97.
Maria de Lourdes da Silva Rosa, Herbet Conceição, Rita Cunha Menezes Leal, Moacir José Buenano Macambira, Marco Antonio Galarza, Elma Costa Oliveira, Moacyr Moura Marinho, Mônica Prisgsheim da Cunha, Débora Correia Rios, (2007) Idade U-Pb Da Mineralização de Sodalita-Sienito (Azul-Bahia) No Stock Litchfielítico Itaju do Colônia, Sul Do Estado Da Bahia. Revista Brasileira de Geociências, 35:3, 433-436 (in Portuguese).

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