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Imorona valley, Itremo, Ambatofinandrahana District, Amoron'i Mania, Madagascari
| Regional Level Types | |
|---|---|
| Imorona valley | Valley |
| Itremo | Commune |
| Ambatofinandrahana District | District |
| Amoron'i Mania | Region |
| Madagascar | Country |
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Malagasy:
Lohasahan' Imorona, Kaominin' Itremo, Distrikan' Ambatofinandrahana, Faritra Amoron'i Mania, Madagasikara
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Standard Detailed Gallery Strunz Chemical ElementsMineral List
Mineral list contains entries from the region specified including sub-localities28 valid minerals.
Rock Types Recorded
Rock list contains entries from the region specified including sub-localities
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Alphabetical List Tree DiagramDetailed Mineral List:
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| โ | Graphite | 1.CB.05a | C |
| Group 2 - Sulphides and Sulfosalts | |||
| โ | Pentlandite | 2.BB.15 | (NixFey)ฮฃ9S8 |
| โ | Sphalerite | 2.CB.05a | ZnS |
| โ | Chalcopyrite | 2.CB.10a | CuFeS2 |
| โ | Pyrrhotite | 2.CC.10 | Fe1-xS |
| โ | Molybdenite | 2.EA.30 | MoS2 |
| โ | Pyrite | 2.EB.05a | FeS2 |
| โ | Cobaltite | 2.EB.25 | CoAsS |
| โ | Gersdorffite | 2.EB.25 | NiAsS |
| โ | Rheniite | 2.EB.35 | ReS2 |
| Group 4 - Oxides and Hydroxides | |||
| โ | Chromite | 4.BB.05 | Fe2+Cr3+2O4 |
| โ | Magnetite | 4.BB.05 | Fe2+Fe3+2O4 |
| โ | Spinel | 4.BB.05 | MgAl2O4 |
| โ | Magnetite var. Titanium-bearing Magnetite | 4.BB.05 | Fe2+(Fe3+,Ti)2O4 |
| โ | Hematite | 4.CB.05 | Fe2O3 |
| โ | Ilmenite | 4.CB.05 | Fe2+TiO3 |
| โ | Crichtonite | 4.CC.40 | Sr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38 |
| โ | Quartz var. Amethyst | 4.DA.05 | SiO2 |
| โ | var. Chalcedony | 4.DA.05 | SiO2 |
| โ | 4.DA.05 | SiO2 | |
| โ | Rutile | 4.DB.05 | TiO2 |
| Group 5 - Nitrates and Carbonates | |||
| โ | Parisite-(Ce) | 5.BD.20b | CaCe2(CO3)3F2 |
| Group 7 - Sulphates, Chromates, Molybdates and Tungstates | |||
| โ | Baryte | 7.AD.35 | BaSO4 |
| Group 9 - Silicates | |||
| โ | Titanite | 9.AG.15 | CaTiO(SiO4) |
| โ | 'Orthochevkinite' | 9.BE.62 | (Ce,La,Ca,Na,Th)4(Fe2+,Mg)2(Ti,Fe3+)3Si4O22 |
| โ | Epidote | 9.BG.05a | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| โ | Aegirine | 9.DA.25 | NaFe3+Si2O6 |
| โ | Actinolite | 9.DE.10 | โปCa2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
| โ | Tremolite | 9.DE.10 | โปCa2Mg5(Si8O22)(OH)2 |
| โ | Tschermakite | 9.DE.10 | โปCa2(Mg3Al2)(Al2Si6O22)(OH)2 |
| โ | Glaucophane | 9.DE.25 | โปNa2(Mg3Al2)Si8O22(OH)2 |
| โ | Magnesio-riebeckite | 9.DE.25 | โปNa2(Mg3Fe3+2)(Si8O22)(OH)2 |
| Unclassified | |||
| โ | 'Amphibole Supergroup' | - | AB2C5(T8O22)W2 |
| โ | 'Bastnรคsite' | - | (Ce/Nd/Y/REE)(CO3)F |
| โ | 'Biotite' | - | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| โ | 'Chlorite Group' | - | |
| โ | 'Psilomelane' | - | |
| โ | 'Parisite' | - | Ca(Ce/La/Nd/REE)2(CO3)3F2 |
| โ | 'Clinopyroxene Subgroup' | - | |
| โ | 'Plagioclase' | - | (Na,Ca)[(Si,Al)AlSi2]O8 |
| โ | 'Apatite' | - | Ca5(PO4)3A |
| โ | 'Olivine Group' | - | M2SiO4 |
| โ | 'Chevkinite Group' | - | |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | โ Actinolite | ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
| H | โ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| H | โ Crichtonite | Sr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38 |
| H | โ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| H | โ Glaucophane | ◻Na2(Mg3Al2)Si8O22(OH)2 |
| H | โ Magnesio-riebeckite | ◻Na2(Mg3Fe23+)(Si8O22)(OH)2 |
| H | โ Tremolite | ◻Ca2Mg5(Si8O22)(OH)2 |
| H | โ Tschermakite | ◻Ca2(Mg3Al2)(Al2Si6O22)(OH)2 |
| C | Carbon | |
| C | โ Bastnรคsite | (Ce/Nd/Y/REE)(CO3)F |
| C | โ Graphite | C |
| C | โ Parisite-(Ce) | CaCe2(CO3)3F2 |
| C | โ Parisite | Ca(Ce/La/Nd/REE)2(CO3)3F2 |
| O | Oxygen | |
| O | โ Actinolite | ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
| O | โ Aegirine | NaFe3+Si2O6 |
| O | โ Quartz var. Amethyst | SiO2 |
| O | โ Amphibole Supergroup | AB2C5(T8O22)W2 |
| O | โ Baryte | BaSO4 |
| O | โ Bastnรคsite | (Ce/Nd/Y/REE)(CO3)F |
| O | โ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| O | โ Quartz var. Chalcedony | SiO2 |
| O | โ Chromite | Fe2+Cr23+O4 |
| O | โ Crichtonite | Sr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38 |
| O | โ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| O | โ Glaucophane | ◻Na2(Mg3Al2)Si8O22(OH)2 |
| O | โ Hematite | Fe2O3 |
| O | โ Ilmenite | Fe2+TiO3 |
| O | โ Magnesio-riebeckite | ◻Na2(Mg3Fe23+)(Si8O22)(OH)2 |
| O | โ Magnetite | Fe2+Fe23+O4 |
| O | โ Parisite-(Ce) | CaCe2(CO3)3F2 |
| O | โ Quartz | SiO2 |
| O | โ Rutile | TiO2 |
| O | โ Spinel | MgAl2O4 |
| O | โ Titanite | CaTiO(SiO4) |
| O | โ Magnetite var. Titanium-bearing Magnetite | Fe2+(Fe3+,Ti)2O4 |
| O | โ Tremolite | ◻Ca2Mg5(Si8O22)(OH)2 |
| O | โ Tschermakite | ◻Ca2(Mg3Al2)(Al2Si6O22)(OH)2 |
| O | โ Orthochevkinite | (Ce,La,Ca,Na,Th)4(Fe2+,Mg)2(Ti,Fe3+)3Si4O22 |
| O | โ Parisite | Ca(Ce/La/Nd/REE)2(CO3)3F2 |
| O | โ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| O | โ Apatite | Ca5(PO4)3A |
| O | โ Olivine Group | M2SiO4 |
| F | Fluorine | |
| F | โ Bastnรคsite | (Ce/Nd/Y/REE)(CO3)F |
| F | โ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| F | โ Parisite-(Ce) | CaCe2(CO3)3F2 |
| F | โ Parisite | Ca(Ce/La/Nd/REE)2(CO3)3F2 |
| Na | Sodium | |
| Na | โ Aegirine | NaFe3+Si2O6 |
| Na | โ Glaucophane | ◻Na2(Mg3Al2)Si8O22(OH)2 |
| Na | โ Magnesio-riebeckite | ◻Na2(Mg3Fe23+)(Si8O22)(OH)2 |
| Na | โ Orthochevkinite | (Ce,La,Ca,Na,Th)4(Fe2+,Mg)2(Ti,Fe3+)3Si4O22 |
| Na | โ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Mg | Magnesium | |
| Mg | โ Actinolite | ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
| Mg | โ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Mg | โ Glaucophane | ◻Na2(Mg3Al2)Si8O22(OH)2 |
| Mg | โ Magnesio-riebeckite | ◻Na2(Mg3Fe23+)(Si8O22)(OH)2 |
| Mg | โ Spinel | MgAl2O4 |
| Mg | โ Tremolite | ◻Ca2Mg5(Si8O22)(OH)2 |
| Mg | โ Tschermakite | ◻Ca2(Mg3Al2)(Al2Si6O22)(OH)2 |
| Mg | โ Orthochevkinite | (Ce,La,Ca,Na,Th)4(Fe2+,Mg)2(Ti,Fe3+)3Si4O22 |
| Al | Aluminium | |
| Al | โ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Al | โ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| Al | โ Glaucophane | ◻Na2(Mg3Al2)Si8O22(OH)2 |
| Al | โ Spinel | MgAl2O4 |
| Al | โ Tschermakite | ◻Ca2(Mg3Al2)(Al2Si6O22)(OH)2 |
| Al | โ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Si | Silicon | |
| Si | โ Actinolite | ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
| Si | โ Aegirine | NaFe3+Si2O6 |
| Si | โ Quartz var. Amethyst | SiO2 |
| Si | โ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Si | โ Quartz var. Chalcedony | SiO2 |
| Si | โ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| Si | โ Glaucophane | ◻Na2(Mg3Al2)Si8O22(OH)2 |
| Si | โ Magnesio-riebeckite | ◻Na2(Mg3Fe23+)(Si8O22)(OH)2 |
| Si | โ Quartz | SiO2 |
| Si | โ Titanite | CaTiO(SiO4) |
| Si | โ Tremolite | ◻Ca2Mg5(Si8O22)(OH)2 |
| Si | โ Tschermakite | ◻Ca2(Mg3Al2)(Al2Si6O22)(OH)2 |
| Si | โ Orthochevkinite | (Ce,La,Ca,Na,Th)4(Fe2+,Mg)2(Ti,Fe3+)3Si4O22 |
| Si | โ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Si | โ Olivine Group | M2SiO4 |
| P | Phosphorus | |
| P | โ Apatite | Ca5(PO4)3A |
| S | Sulfur | |
| S | โ Baryte | BaSO4 |
| S | โ Chalcopyrite | CuFeS2 |
| S | โ Cobaltite | CoAsS |
| S | โ Gersdorffite | NiAsS |
| S | โ Molybdenite | MoS2 |
| S | โ Pentlandite | (NixFey)ฮฃ9S8 |
| S | โ Pyrite | FeS2 |
| S | โ Pyrrhotite | Fe1-xS |
| S | โ Sphalerite | ZnS |
| S | โ Rheniite | ReS2 |
| K | Potassium | |
| K | โ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Ca | Calcium | |
| Ca | โ Actinolite | ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
| Ca | โ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| Ca | โ Parisite-(Ce) | CaCe2(CO3)3F2 |
| Ca | โ Titanite | CaTiO(SiO4) |
| Ca | โ Tremolite | ◻Ca2Mg5(Si8O22)(OH)2 |
| Ca | โ Tschermakite | ◻Ca2(Mg3Al2)(Al2Si6O22)(OH)2 |
| Ca | โ Orthochevkinite | (Ce,La,Ca,Na,Th)4(Fe2+,Mg)2(Ti,Fe3+)3Si4O22 |
| Ca | โ Parisite | Ca(Ce/La/Nd/REE)2(CO3)3F2 |
| Ca | โ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Ca | โ Apatite | Ca5(PO4)3A |
| Ti | Titanium | |
| Ti | โ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Ti | โ Crichtonite | Sr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38 |
| Ti | โ Ilmenite | Fe2+TiO3 |
| Ti | โ Rutile | TiO2 |
| Ti | โ Titanite | CaTiO(SiO4) |
| Ti | โ Magnetite var. Titanium-bearing Magnetite | Fe2+(Fe3+,Ti)2O4 |
| Ti | โ Orthochevkinite | (Ce,La,Ca,Na,Th)4(Fe2+,Mg)2(Ti,Fe3+)3Si4O22 |
| V | Vanadium | |
| V | โ Crichtonite | Sr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38 |
| Cr | Chromium | |
| Cr | โ Chromite | Fe2+Cr23+O4 |
| Cr | โ Crichtonite | Sr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38 |
| Mn | Manganese | |
| Mn | โ Crichtonite | Sr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38 |
| Fe | Iron | |
| Fe | โ Actinolite | ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
| Fe | โ Aegirine | NaFe3+Si2O6 |
| Fe | โ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Fe | โ Chalcopyrite | CuFeS2 |
| Fe | โ Chromite | Fe2+Cr23+O4 |
| Fe | โ Crichtonite | Sr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38 |
| Fe | โ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| Fe | โ Hematite | Fe2O3 |
| Fe | โ Ilmenite | Fe2+TiO3 |
| Fe | โ Magnesio-riebeckite | ◻Na2(Mg3Fe23+)(Si8O22)(OH)2 |
| Fe | โ Magnetite | Fe2+Fe23+O4 |
| Fe | โ Pentlandite | (NixFey)ฮฃ9S8 |
| Fe | โ Pyrite | FeS2 |
| Fe | โ Pyrrhotite | Fe1-xS |
| Fe | โ Magnetite var. Titanium-bearing Magnetite | Fe2+(Fe3+,Ti)2O4 |
| Fe | โ Orthochevkinite | (Ce,La,Ca,Na,Th)4(Fe2+,Mg)2(Ti,Fe3+)3Si4O22 |
| Co | Cobalt | |
| Co | โ Cobaltite | CoAsS |
| Ni | Nickel | |
| Ni | โ Gersdorffite | NiAsS |
| Ni | โ Pentlandite | (NixFey)ฮฃ9S8 |
| Cu | Copper | |
| Cu | โ Chalcopyrite | CuFeS2 |
| Zn | Zinc | |
| Zn | โ Sphalerite | ZnS |
| As | Arsenic | |
| As | โ Cobaltite | CoAsS |
| As | โ Gersdorffite | NiAsS |
| Sr | Strontium | |
| Sr | โ Crichtonite | Sr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38 |
| Y | Yttrium | |
| Y | โ Bastnรคsite | (Ce/Nd/Y/REE)(CO3)F |
| Y | โ Crichtonite | Sr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38 |
| Mo | Molybdenum | |
| Mo | โ Molybdenite | MoS2 |
| Ba | Barium | |
| Ba | โ Baryte | BaSO4 |
| La | Lanthanum | |
| La | โ Orthochevkinite | (Ce,La,Ca,Na,Th)4(Fe2+,Mg)2(Ti,Fe3+)3Si4O22 |
| La | โ Parisite | Ca(Ce/La/Nd/REE)2(CO3)3F2 |
| Ce | Cerium | |
| Ce | โ Bastnรคsite | (Ce/Nd/Y/REE)(CO3)F |
| Ce | โ Parisite-(Ce) | CaCe2(CO3)3F2 |
| Ce | โ Orthochevkinite | (Ce,La,Ca,Na,Th)4(Fe2+,Mg)2(Ti,Fe3+)3Si4O22 |
| Ce | โ Parisite | Ca(Ce/La/Nd/REE)2(CO3)3F2 |
| Nd | Neodymium | |
| Nd | โ Bastnรคsite | (Ce/Nd/Y/REE)(CO3)F |
| Nd | โ Parisite | Ca(Ce/La/Nd/REE)2(CO3)3F2 |
| Re | Rhenium | |
| Re | โ Rheniite | ReS2 |
| Th | Thorium | |
| Th | โ Orthochevkinite | (Ce,La,Ca,Na,Th)4(Fe2+,Mg)2(Ti,Fe3+)3Si4O22 |
| U | Uranium | |
| U | โ Crichtonite | Sr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38 |
Geochronology
Mineralization age: Neoproterozoic : 800 MaImportant note: This table is based only on rock and mineral ages recorded on mindat.org for this locality 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 Time | Rocks, Minerals and Events | ||||||
|---|---|---|---|---|---|---|---|
| Precambrian | |||||||
| Proterozoic | |||||||
| Neoproterozoic | |||||||
| Tonian |
| ||||||
Localities in this Region
- Amoron'i Mania
- Ambatofinandrahana District
- Itremo
- Imorona valley
- Itremo
- Ambatofinandrahana District
Other Regions, Features and Areas containing this locality
Madagascar
- Ankaratra Volcanic RangeVolcanic Range
- ⭔Fianarantsoa ProvinceProvince
Somali PlateTectonic Plate
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Itorendrika-Ifasina, Imorona valley, Itremo, Ambatofinandrahana District, Amoron'i Mania, Madagascar