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Cerro Chiriguelo (Cerro Corá), Amambay Department, Paraguayi
Regional Level Types
Cerro Chiriguelo (Cerro Corá)Mountain
Amambay DepartmentDepartment
ParaguayCountry

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Key
Latitude & Longitude (WGS84):
22° 37' 0'' South , 55° 56' 59'' West
Latitude & Longitude (decimal):
Locality type:
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Pedro Juan Caballero75,109 (2018)23.5km
Ponta Porã55,763 (2017)24.7km


Cretaceous alkaline igneous intrusive and extrusive complex, including alkaline gabbro and carbonatite, with uranium mineralization. Now a national park - Collecting prohibited.
6 km diameter alkaline complex consisting of sovite, rodbergite, carbonatite and syenite rocks.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


16 valid minerals.

Detailed Mineral List:

Aegirine
Formula: NaFe3+Si2O6
Reference: Piero Comin-Chiaramonti, Celso Barros Gomes (1996) Alkaline magmatism in central-eastern Paraguay: relationships with coeval magmatism in Brazil. pp 231-248; Haggerty, S. E., & Mariano, A. N. (1983). Strontian-loparite and strontio-chevkinite: Two new minerals in rheomorphic fenites from the Parana Basin carbonatites, South America. Contributions to Mineralogy and Petrology, 84(4), 365-381.
Andradite
Formula: Ca3Fe3+2(SiO4)3
Reference: Woolley, A.R. (1987) Alkaline rocks and carbonatites of the world. p 206. (British Museum of Natural History, London)
Andradite var: Melanite
Formula: Ca3Fe3+2(SiO4)3
Reference: Alan R. Woolley: Alkaline Rocks and Carbonatites of the World, part 1, 206 (BMNH, London, 1987)
'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
Reference: Alan R. Woolley: Alkaline Rocks and Carbonatites of the World, part 1, 206 (BMNH, London, 1987); Piero Comin-Chiaramonti, Celso Barros Gomes (1996) Alkaline magmatism in central-eastern Paraguay: relationships with coeval magmatism in Brazil. pp 231-248
Baryte
Formula: BaSO4
Reference: Piero Comin-Chiaramonti, Celso Barros Gomes (1996) Alkaline magmatism in central-eastern Paraguay: relationships with coeval magmatism in Brazil. pp 231-248
'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Reference: Woolley, A.R. (1987) Alkaline rocks and carbonatites of the world. p 206. (British Museum of Natural History, London)
Calcite
Formula: CaCO3
Reference: Gomes, C. B., Laurenzi, M. A., Censi, P., De Min, A., Velázquez, V. F., & Comin-Chiaramonti, P. (1996). Alkaline magmatism from northern Paraguay (Alto Paraguay): a Permo-Triassic Province. Alkaline magmatism in Central-Eastern Paraguay. Relationships with coeval magmatism in Brazil. EDUSP/FAPESP, São Paulo, 223-230.
Cerianite-(Ce)
Formula: (Ce4+,Th)O2
Reference: Alan R. Woolley: Alkaline Rocks and Carbonatites of the World, part 1, 206 (BMNH, London, 1987)
Goethite
Formula: α-Fe3+O(OH)
Reference: Piero Comin-Chiaramonti, Celso Barros Gomes (1996) Alkaline magmatism in central-eastern Paraguay: relationships with coeval magmatism in Brazil. pp 231-248
Loparite-(Ce)
Formula: (Na,REE)Ti2O6
Reference: Haggerty, S. E., & Mariano, A. N. (1983). Strontian-loparite and strontio-chevkinite: Two new minerals in rheomorphic fenites from the Parana Basin carbonatites, South America. Contributions to Mineralogy and Petrology, 84(4), 365-381.
Magnetite
Formula: Fe2+Fe3+2O4
Reference: Piero Comin-Chiaramonti, Celso Barros Gomes (1996) Alkaline magmatism in central-eastern Paraguay: relationships with coeval magmatism in Brazil. pp 231-248
'Monazite'
Reference: Alan R. Woolley: Alkaline Rocks and Carbonatites of the World, part 1, 206 (BMNH, London, 1987)
Nepheline
Formula: Na3K(Al4Si4O16)
Reference: Haggerty, S. E., & Mariano, A. N. (1983). Strontian-loparite and strontio-chevkinite: Two new minerals in rheomorphic fenites from the Parana Basin carbonatites, South America. Contributions to Mineralogy and Petrology, 84(4), 365-381.
Phlogopite
Formula: KMg3(AlSi3O10)(OH)2
Reference: Piero Comin-Chiaramonti, Celso Barros Gomes (1996) Alkaline magmatism in central-eastern Paraguay: relationships with coeval magmatism in Brazil. pp 231-248
Pyrite
Formula: FeS2
Reference: Piero Comin-Chiaramonti, Celso Barros Gomes (1996) Alkaline magmatism in central-eastern Paraguay: relationships with coeval magmatism in Brazil. pp 231-248
'Pyrochlore Group'
Formula: A2Nb2(O,OH)6Z
Reference: Alan R. Woolley: Alkaline Rocks and Carbonatites of the World, part 1, 206 (BMNH, London, 1987); Piero Comin-Chiaramonti, Celso Barros Gomes (1996) Alkaline magmatism in central-eastern Paraguay: relationships with coeval magmatism in Brazil. pp 231-248
'Pyrochlore Group var: Plumbopyrochlore (of Skorobogatova et al.)'
Formula: A2Nb2(O,OH)6Z
Reference: Alan R. Woolley: Alkaline Rocks and Carbonatites of the World, part 1, 206 (BMNH, London, 1987); Piero Comin-Chiaramonti, Celso Barros Gomes (1996) Alkaline magmatism in central-eastern Paraguay: relationships with coeval magmatism in Brazil. pp 231-248
'Pyrochlore Group var: Uranpyrochlore (of Hogarth 1977)'
Formula: (Ca,U,Ce)2(Nb,Ti,Ta)2O6(OH,F)
Reference: Woolley, A.R. (1987) Alkaline rocks and carbonatites of the world. p 206. (British Museum of Natural History, London)
Quartz
Formula: SiO2
Reference: Piero Comin-Chiaramonti, Celso Barros Gomes (1996) Alkaline magmatism in central-eastern Paraguay: relationships with coeval magmatism in Brazil. pp 231-248
Sanidine
Formula: K(AlSi3O8)
Reference: Piero Comin-Chiaramonti, Celso Barros Gomes (1996) Alkaline magmatism in central-eastern Paraguay: relationships with coeval magmatism in Brazil. pp 231-248; Haggerty, S. E., & Mariano, A. N. (1983). Strontian-loparite and strontio-chevkinite: Two new minerals in rheomorphic fenites from the Parana Basin carbonatites, South America. Contributions to Mineralogy and Petrology, 84(4), 365-381.
Strontianite
Formula: SrCO3
Reference: Piero Comin-Chiaramonti, Celso Barros Gomes (1996) Alkaline magmatism in central-eastern Paraguay: relationships with coeval magmatism in Brazil. pp 231-248
'Synchysite'
Reference: Piero Comin-Chiaramonti, Celso Barros Gomes (1996) Alkaline magmatism in central-eastern Paraguay: relationships with coeval magmatism in Brazil. pp 231-248
Thorite
Formula: Th(SiO4)
Reference: Woolley, A.R. (1987) Alkaline rocks and carbonatites of the world. p 206. (British Museum of Natural History, London)
Zircon
Formula: Zr(SiO4)
Reference: Piero Comin-Chiaramonti, Celso Barros Gomes (1996) Alkaline magmatism in central-eastern Paraguay: relationships with coeval magmatism in Brazil. pp 231-248

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
Cerianite-(Ce)4.DL.05(Ce4+,Th)O2
Goethite4.00.α-Fe3+O(OH)
Loparite-(Ce)4.CC.35(Na,REE)Ti2O6
Magnetite4.BB.05Fe2+Fe3+2O4
'Pyrochlore Group'4.00.A2Nb2(O,OH)6Z
'var: Plumbopyrochlore (of Skorobogatova et al.)'4.00.A2Nb2(O,OH)6Z
'var: Uranpyrochlore (of Hogarth 1977)'4.00.(Ca,U,Ce)2(Nb,Ti,Ta)2O6(OH,F)
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Strontianite5.AB.15SrCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Baryte7.AD.35BaSO4
Group 9 - Silicates
Aegirine9.DA.25NaFe3+Si2O6
Andradite9.AD.25Ca3Fe3+2(SiO4)3
var: Melanite9.AD.25Ca3Fe3+2(SiO4)3
Nepheline9.FA.05Na3K(Al4Si4O16)
Phlogopite9.EC.20KMg3(AlSi3O10)(OH)2
Sanidine9.FA.30K(AlSi3O8)
Thorite9.AD.30Th(SiO4)
Zircon9.AD.30Zr(SiO4)
Unclassified Minerals, Rocks, etc.
'Apatite'-Ca5(PO4)3(Cl/F/OH)
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
'Monazite'-
'Synchysite'-

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
Loparite-(Ce)4.3.3.3(Na,REE)Ti2O6
AX2
Cerianite-(Ce)4.4.12.1(Ce4+,Th)O2
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
XO(OH)
Goethite6.1.1.2α-Fe3+O(OH)
Group 7 - MULTIPLE OXIDES
AB2X4
Magnetite7.2.2.3Fe2+Fe3+2O4
Group 8 - MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
A2B2O6(O,OH,F)
'Pyrochlore Group'8.2.1.1A2Nb2(O,OH)6Z
'var: Plumbopyrochlore (of Skorobogatova et al.)'8.2.1.6A2Nb2(O,OH)6Z
'var: Uranpyrochlore (of Hogarth 1977)'8.2.1.7(Ca,U,Ce)2(Nb,Ti,Ta)2O6(OH,F)
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Strontianite14.1.3.3SrCO3
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Baryte28.3.1.1BaSO4
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in [6] and >[6] coordination
Andradite51.4.3b.1Ca3Fe3+2(SiO4)3
Insular SiO4 Groups Only with cations in >[6] coordination
Thorite51.5.2.3Th(SiO4)
Zircon51.5.2.1Zr(SiO4)
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 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Phlogopite71.2.2b.1KMg3(AlSi3O10)(OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Sanidine76.1.1.2K(AlSi3O8)
Al-Si Framework Feldspathoids and related species
Nepheline76.2.1.2Na3K(Al4Si4O16)
Unclassified Minerals, Mixtures, etc.
Andradite
var: Melanite
-Ca3Fe3+2(SiO4)3
'Apatite'-Ca5(PO4)3(Cl/F/OH)
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
'Monazite'-
'Synchysite'-

List of minerals for each chemical element

HHydrogen
H ApatiteCa5(PO4)3(Cl/F/OH)
H Pyrochlore Group (var: Plumbopyrochlore (of Skorobogatova et al.))A2Nb2(O,OH)6Z
H PhlogopiteKMg3(AlSi3O10)(OH)2
H Goethiteα-Fe3+O(OH)
H BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
H Pyrochlore Group (var: Uranpyrochlore (of Hogarth 1977))(Ca,U,Ce)2(Nb,Ti,Ta)2O6(OH,F)
H Pyrochlore GroupA2Nb2(O,OH)6Z
CCarbon
C StrontianiteSrCO3
C CalciteCaCO3
OOxygen
O NephelineNa3K(Al4Si4O16)
O ThoriteTh(SiO4)
O ApatiteCa5(PO4)3(Cl/F/OH)
O Andradite (var: Melanite)Ca3Fe23+(SiO4)3
O Cerianite-(Ce)(Ce4+,Th)O2
O Pyrochlore Group (var: Plumbopyrochlore (of Skorobogatova et al.))A2Nb2(O,OH)6Z
O BaryteBaSO4
O QuartzSiO2
O PhlogopiteKMg3(AlSi3O10)(OH)2
O SanidineK(AlSi3O8)
O MagnetiteFe2+Fe23+O4
O AegirineNaFe3+Si2O6
O StrontianiteSrCO3
O ZirconZr(SiO4)
O Goethiteα-Fe3+O(OH)
O Loparite-(Ce)(Na,REE)Ti2O6
O CalciteCaCO3
O AndraditeCa3Fe23+(SiO4)3
O BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
O Pyrochlore Group (var: Uranpyrochlore (of Hogarth 1977))(Ca,U,Ce)2(Nb,Ti,Ta)2O6(OH,F)
O Pyrochlore GroupA2Nb2(O,OH)6Z
FFluorine
F ApatiteCa5(PO4)3(Cl/F/OH)
F BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
F Pyrochlore Group (var: Uranpyrochlore (of Hogarth 1977))(Ca,U,Ce)2(Nb,Ti,Ta)2O6(OH,F)
NaSodium
Na NephelineNa3K(Al4Si4O16)
Na AegirineNaFe3+Si2O6
Na Loparite-(Ce)(Na,REE)Ti2O6
MgMagnesium
Mg PhlogopiteKMg3(AlSi3O10)(OH)2
Mg BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
AlAluminium
Al NephelineNa3K(Al4Si4O16)
Al PhlogopiteKMg3(AlSi3O10)(OH)2
Al SanidineK(AlSi3O8)
Al BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
SiSilicon
Si NephelineNa3K(Al4Si4O16)
Si ThoriteTh(SiO4)
Si Andradite (var: Melanite)Ca3Fe23+(SiO4)3
Si QuartzSiO2
Si PhlogopiteKMg3(AlSi3O10)(OH)2
Si SanidineK(AlSi3O8)
Si AegirineNaFe3+Si2O6
Si ZirconZr(SiO4)
Si AndraditeCa3Fe23+(SiO4)3
Si BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
PPhosphorus
P ApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
S BaryteBaSO4
S PyriteFeS2
ClChlorine
Cl ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
K NephelineNa3K(Al4Si4O16)
K PhlogopiteKMg3(AlSi3O10)(OH)2
K SanidineK(AlSi3O8)
K BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
CaCalcium
Ca ApatiteCa5(PO4)3(Cl/F/OH)
Ca Andradite (var: Melanite)Ca3Fe23+(SiO4)3
Ca CalciteCaCO3
Ca AndraditeCa3Fe23+(SiO4)3
Ca Pyrochlore Group (var: Uranpyrochlore (of Hogarth 1977))(Ca,U,Ce)2(Nb,Ti,Ta)2O6(OH,F)
TiTitanium
Ti Loparite-(Ce)(Na,REE)Ti2O6
Ti Pyrochlore Group (var: Uranpyrochlore (of Hogarth 1977))(Ca,U,Ce)2(Nb,Ti,Ta)2O6(OH,F)
FeIron
Fe Andradite (var: Melanite)Ca3Fe23+(SiO4)3
Fe MagnetiteFe2+Fe23+O4
Fe AegirineNaFe3+Si2O6
Fe Goethiteα-Fe3+O(OH)
Fe PyriteFeS2
Fe AndraditeCa3Fe23+(SiO4)3
Fe BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
SrStrontium
Sr StrontianiteSrCO3
Sr Loparite-(Ce)(Na,REE)Ti2O6
ZrZirconium
Zr ZirconZr(SiO4)
NbNiobium
Nb Pyrochlore Group (var: Plumbopyrochlore (of Skorobogatova et al.))A2Nb2(O,OH)6Z
Nb Loparite-(Ce)(Na,REE)Ti2O6
Nb Pyrochlore Group (var: Uranpyrochlore (of Hogarth 1977))(Ca,U,Ce)2(Nb,Ti,Ta)2O6(OH,F)
Nb Pyrochlore GroupA2Nb2(O,OH)6Z
BaBarium
Ba BaryteBaSO4
CeCerium
Ce Cerianite-(Ce)(Ce4+,Th)O2
Ce Loparite-(Ce)(Na,REE)Ti2O6
Ce Pyrochlore Group (var: Uranpyrochlore (of Hogarth 1977))(Ca,U,Ce)2(Nb,Ti,Ta)2O6(OH,F)
TaTantalum
Ta Pyrochlore Group (var: Uranpyrochlore (of Hogarth 1977))(Ca,U,Ce)2(Nb,Ti,Ta)2O6(OH,F)
ThThorium
Th ThoriteTh(SiO4)
Th Cerianite-(Ce)(Ce4+,Th)O2
Th Loparite-(Ce)(Na,REE)Ti2O6
UUranium
U Pyrochlore Group (var: Uranpyrochlore (of Hogarth 1977))(Ca,U,Ce)2(Nb,Ti,Ta)2O6(OH,F)

Geochronology

Mineralization age: Early Cretaceous : 133 Ma to 123 Ma

Important note: This table is based only on rock and mineral ages recorded below and is not necessarily a complete representation of the geochronology, but does give an indication of possible mineralization events relevant to this locality. As more age information is added this table may expand in the future. A break in the table simply indicates a lack of data entered here, not necessarily a break in the geologic sequence. Grey background entries are from different, related, localities.

Geologic TimeRocks, Minerals and Events
Phanerozoic
 Mesozoic
  Cretaceous
   Early Cretaceous
ⓘ Biotite (youngest age)123 Ma
ⓘ Biotite (oldest age)133 Ma

Other Regions, Features and Areas containing this locality

South AmericaContinent
South America PlateTectonic Plate

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