Elchuru Complex, Prakasam District, Andhra Pradesh, Indiai
| Regional Level Types | |
|---|---|
| Elchuru Complex | Complex |
| Prakasam District | District |
| Andhra Pradesh | State |
| India | Country |
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Latitude & Longitude (WGS84):
16° 0' 0'' North , 79° 55' 59'' East
Latitude & Longitude (decimal):
Type:
Köppen climate type:
16km² complex is emplaced in Precambrian granite, gneiss, charnockite and to the east and SE, a large gabbro pluton. Outcrops are essentially confined to 4 hills with around 70% of the complex hidden beneath a thick alluvial cover.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsMineral List
21 valid minerals.
Rock Types Recorded
Note: data is currently VERY limited. Please bear with us while we work towards adding this information!
Select Rock List Type
Alphabetical List Tree DiagramDetailed Mineral List:
| ⓘ Aegirine-augite Formula: (NaaCabFe2+cMgd)(Fe3+eAlfFe2+gMgh)Si2O6 |
| ⓘ Albite Formula: Na(AlSi3O8) |
| ⓘ 'Alkali Feldspar' |
| ⓘ 'Amphibole Supergroup' Formula: AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 References: Madhavan, V., Leelanandam, C. (1988) Petrology of the Elchuru Alkaline Pluton, Prakasam District, Andhra Pradesh, India. Journal Geological Society of India, 31 (6). 515-537 doi:10.17491/jgsi/1988/310601 |
| ⓘ 'Apatite' Formula: Ca5(PO4)3(Cl/F/OH) |
| ⓘ Augite Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| ⓘ Augite var. Fassaite Formula: (Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6] |
| ⓘ 'Biotite' Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 References: Madhavan, V., Leelanandam, C. (1988) Petrology of the Elchuru Alkaline Pluton, Prakasam District, Andhra Pradesh, India. Journal Geological Society of India, 31 (6). 515-537 doi:10.17491/jgsi/1988/310601 |
| ⓘ Calcite Formula: CaCO3 |
| ⓘ Cancrinite Formula: (Na,Ca,◻)8(Al6Si6O24)(CO3,SO4)2 · 2H2O |
| ⓘ 'Clinopyroxene Subgroup' |
| ⓘ Diopside Formula: CaMgSi2O6 |
| ⓘ 'Feldspar Group' |
| ⓘ 'Feldspar Group var. Perthite' |
| ⓘ Ferri-kaersutite Formula: NaCa2(Mg3Fe3+Ti)(Si6Al2O22)O2 |
| ⓘ 'Ferro-ferri-sadanagaite' Formula: {Na}{Ca2}{Fe2+3Fe3+2}(Al3Si5O22)(OH)2 |
| ⓘ 'Ferro-kaersutite' Formula: NaCa2{Fe2+3AlTi}(Si6Al2O22)O2 |
| ⓘ Ferro-pargasite Formula: NaCa2(Fe2+4Al)(Si6Al2)O22(OH)2 |
| ⓘ 'Garnet Group' Formula: X3Z2(SiO4)3 |
| ⓘ Hastingsite Formula: NaCa2(Fe2+4Fe3+)(Si6Al2)O22(OH)2 |
| ⓘ Hedenbergite Formula: CaFe2+Si2O6 |
| ⓘ Jadeite Formula: Na(Al,Fe3+)Si2O6 |
| ⓘ Jadeite var. Chloromelanite Formula: Na(Al,Fe3+)Si2O6 |
| ⓘ 'K Feldspar' |
| ⓘ Magnetite Formula: Fe2+Fe3+2O4 |
| ⓘ Microcline Formula: K(AlSi3O8) |
| ⓘ Muscovite Formula: KAl2(AlSi3O10)(OH)2 |
| ⓘ Nepheline Formula: Na3K(Al4Si4O16) |
| ⓘ Omphacite Formula: (NaaCabFe2+cMgd)(AleFe3+fFe2+gMgh)Si2O6 |
| ⓘ Orthoclase Formula: K(AlSi3O8) |
| ⓘ 'Plagioclase' Formula: (Na,Ca)[(Si,Al)AlSi2]O8 |
| ⓘ 'Potassic-ferri-kaersutite' Formula: KCa2(Mg3Fe3+Ti)(Si6Al2)O22O2 |
| ⓘ Potassic-ferro-ferri-taramite Formula: K(CaNa)(Fe2+3Fe3+2)(Al2Si6O22)(OH)2 |
| ⓘ Quartz Formula: SiO2 |
| ⓘ 'Scapolite' |
| ⓘ Titanite Formula: CaTi(SiO4)O |
| ⓘ Zircon Formula: Zr(SiO4) |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 4 - Oxides and Hydroxides | |||
|---|---|---|---|
| ⓘ | Magnetite | 4.BB.05 | Fe2+Fe3+2O4 |
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| Group 5 - Nitrates and Carbonates | |||
| ⓘ | Calcite | 5.AB.05 | CaCO3 |
| Group 9 - Silicates | |||
| ⓘ | Zircon | 9.AD.30 | Zr(SiO4) |
| ⓘ | Titanite | 9.AG.15 | CaTi(SiO4)O |
| ⓘ | Augite | 9.DA.15 | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| ⓘ | Diopside | 9.DA.15 | CaMgSi2O6 |
| ⓘ | Hedenbergite | 9.DA.15 | CaFe2+Si2O6 |
| ⓘ | Augite var. Fassaite | 9.DA.15 | (Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6] |
| ⓘ | Aegirine-augite | 9.DA.20 | (NaaCabFe2+cMgd)(Fe3+eAlfFe2+gMgh)Si2O6 |
| ⓘ | Omphacite | 9.DA.20 | (NaaCabFe2+cMgd)(AleFe3+fFe2+gMgh)Si2O6 |
| ⓘ | Jadeite var. Chloromelanite | 9.DA.25 | Na(Al,Fe3+)Si2O6 |
| ⓘ | 9.DA.25 | Na(Al,Fe3+)Si2O6 | |
| ⓘ | 'Ferro-kaersutite' | 9.DE.15 | NaCa2{Fe2+3AlTi}(Si6Al2O22)O2 |
| ⓘ | Ferro-pargasite | 9.DE.15 | NaCa2(Fe2+4Al)(Si6Al2)O22(OH)2 |
| ⓘ | Hastingsite | 9.DE.15 | NaCa2(Fe2+4Fe3+)(Si6Al2)O22(OH)2 |
| ⓘ | 'Ferro-ferri-sadanagaite' | 9.DE.15 | {Na}{Ca2}{Fe2+3Fe3+2}(Al3Si5O22)(OH)2 |
| ⓘ | Ferri-kaersutite | 9.DE.15 | NaCa2(Mg3Fe3+Ti)(Si6Al2O22)O2 |
| ⓘ | Potassic-ferro-ferri-taramite | 9.DE.20 | K(CaNa)(Fe2+3Fe3+2)(Al2Si6O22)(OH)2 |
| ⓘ | Muscovite | 9.EC.15 | KAl2(AlSi3O10)(OH)2 |
| ⓘ | Nepheline | 9.FA.05 | Na3K(Al4Si4O16) |
| ⓘ | Microcline | 9.FA.30 | K(AlSi3O8) |
| ⓘ | Orthoclase | 9.FA.30 | K(AlSi3O8) |
| ⓘ | Albite | 9.FA.35 | Na(AlSi3O8) |
| ⓘ | Cancrinite | 9.FB.05 | (Na,Ca,◻)8(Al6Si6O24)(CO3,SO4)2 · 2H2O |
| Unclassified | |||
| ⓘ | 'Alkali Feldspar' | - | |
| ⓘ | 'Amphibole Supergroup' | - | AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
| ⓘ | 'Biotite' | - | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| ⓘ | 'Feldspar Group' | - | |
| ⓘ | 'var. Perthite' | - | |
| ⓘ | 'Clinopyroxene Subgroup' | - | |
| ⓘ | 'Scapolite' | - | |
| ⓘ | 'Plagioclase' | - | (Na,Ca)[(Si,Al)AlSi2]O8 |
| ⓘ | 'K Feldspar' | - | |
| ⓘ | 'Garnet Group' | - | X3Z2(SiO4)3 |
| ⓘ | 'Apatite' | - | Ca5(PO4)3(Cl/F/OH) |
| ⓘ | 'Potassic-ferri-kaersutite' | - | KCa2(Mg3Fe3+Ti)(Si6Al2)O22O2 |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Amphibole Supergroup | AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
| H | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| H | ⓘ Cancrinite | (Na,Ca,◻)8(Al6Si6O24)(CO3,SO4)2 · 2H2O |
| H | ⓘ Ferro-pargasite | NaCa2(Fe42+Al)(Si6Al2)O22(OH)2 |
| H | ⓘ Hastingsite | NaCa2(Fe42+Fe3+)(Si6Al2)O22(OH)2 |
| H | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| H | ⓘ Ferro-ferri-sadanagaite | {Na}{Ca2}{Fe32+Fe23+}(Al3Si5O22)(OH)2 |
| H | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| H | ⓘ Potassic-ferro-ferri-taramite | K(CaNa)(Fe32+Fe23+)(Al2Si6O22)(OH)2 |
| C | Carbon | |
| C | ⓘ Calcite | CaCO3 |
| C | ⓘ Cancrinite | (Na,Ca,◻)8(Al6Si6O24)(CO3,SO4)2 · 2H2O |
| O | Oxygen | |
| O | ⓘ Aegirine-augite | (NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6 |
| O | ⓘ Albite | Na(AlSi3O8) |
| O | ⓘ Amphibole Supergroup | AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
| O | ⓘ Augite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| O | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| O | ⓘ Calcite | CaCO3 |
| O | ⓘ Cancrinite | (Na,Ca,◻)8(Al6Si6O24)(CO3,SO4)2 · 2H2O |
| O | ⓘ Jadeite var. Chloromelanite | Na(Al,Fe3+)Si2O6 |
| O | ⓘ Diopside | CaMgSi2O6 |
| O | ⓘ Ferro-kaersutite | NaCa2{Fe32+AlTi}(Si6Al2O22)O2 |
| O | ⓘ Ferro-pargasite | NaCa2(Fe42+Al)(Si6Al2)O22(OH)2 |
| O | ⓘ Hastingsite | NaCa2(Fe42+Fe3+)(Si6Al2)O22(OH)2 |
| O | ⓘ Hedenbergite | CaFe2+Si2O6 |
| O | ⓘ Jadeite | Na(Al,Fe3+)Si2O6 |
| O | ⓘ Magnetite | Fe2+Fe23+O4 |
| O | ⓘ Microcline | K(AlSi3O8) |
| O | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| O | ⓘ Nepheline | Na3K(Al4Si4O16) |
| O | ⓘ Omphacite | (NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6 |
| O | ⓘ Orthoclase | K(AlSi3O8) |
| O | ⓘ Quartz | SiO2 |
| O | ⓘ Titanite | CaTi(SiO4)O |
| O | ⓘ Zircon | Zr(SiO4) |
| O | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| O | ⓘ Garnet Group | X3Z2(SiO4)3 |
| O | ⓘ Augite var. Fassaite | (Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6] |
| O | ⓘ Ferro-ferri-sadanagaite | {Na}{Ca2}{Fe32+Fe23+}(Al3Si5O22)(OH)2 |
| O | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| O | ⓘ Ferri-kaersutite | NaCa2(Mg3Fe3+Ti)(Si6Al2O22)O2 |
| O | ⓘ Potassic-ferro-ferri-taramite | K(CaNa)(Fe32+Fe23+)(Al2Si6O22)(OH)2 |
| O | ⓘ Potassic-ferri-kaersutite | KCa2(Mg3Fe3+Ti)(Si6Al2)O22O2 |
| F | Fluorine | |
| F | ⓘ Amphibole Supergroup | AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
| F | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| F | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| Na | Sodium | |
| Na | ⓘ Aegirine-augite | (NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6 |
| Na | ⓘ Albite | Na(AlSi3O8) |
| Na | ⓘ Cancrinite | (Na,Ca,◻)8(Al6Si6O24)(CO3,SO4)2 · 2H2O |
| Na | ⓘ Jadeite var. Chloromelanite | Na(Al,Fe3+)Si2O6 |
| Na | ⓘ Ferro-kaersutite | NaCa2{Fe32+AlTi}(Si6Al2O22)O2 |
| Na | ⓘ Ferro-pargasite | NaCa2(Fe42+Al)(Si6Al2)O22(OH)2 |
| Na | ⓘ Hastingsite | NaCa2(Fe42+Fe3+)(Si6Al2)O22(OH)2 |
| Na | ⓘ Jadeite | Na(Al,Fe3+)Si2O6 |
| Na | ⓘ Nepheline | Na3K(Al4Si4O16) |
| Na | ⓘ Omphacite | (NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6 |
| Na | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Na | ⓘ Augite var. Fassaite | (Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6] |
| Na | ⓘ Ferro-ferri-sadanagaite | {Na}{Ca2}{Fe32+Fe23+}(Al3Si5O22)(OH)2 |
| Na | ⓘ Ferri-kaersutite | NaCa2(Mg3Fe3+Ti)(Si6Al2O22)O2 |
| Na | ⓘ Potassic-ferro-ferri-taramite | K(CaNa)(Fe32+Fe23+)(Al2Si6O22)(OH)2 |
| Mg | Magnesium | |
| Mg | ⓘ Aegirine-augite | (NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6 |
| Mg | ⓘ Augite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| Mg | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Mg | ⓘ Diopside | CaMgSi2O6 |
| Mg | ⓘ Omphacite | (NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6 |
| Mg | ⓘ Augite var. Fassaite | (Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6] |
| Mg | ⓘ Ferri-kaersutite | NaCa2(Mg3Fe3+Ti)(Si6Al2O22)O2 |
| Mg | ⓘ Potassic-ferri-kaersutite | KCa2(Mg3Fe3+Ti)(Si6Al2)O22O2 |
| Al | Aluminium | |
| Al | ⓘ Aegirine-augite | (NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6 |
| Al | ⓘ Albite | Na(AlSi3O8) |
| Al | ⓘ Amphibole Supergroup | AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
| Al | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Al | ⓘ Cancrinite | (Na,Ca,◻)8(Al6Si6O24)(CO3,SO4)2 · 2H2O |
| Al | ⓘ Jadeite var. Chloromelanite | Na(Al,Fe3+)Si2O6 |
| Al | ⓘ Ferro-kaersutite | NaCa2{Fe32+AlTi}(Si6Al2O22)O2 |
| Al | ⓘ Ferro-pargasite | NaCa2(Fe42+Al)(Si6Al2)O22(OH)2 |
| Al | ⓘ Hastingsite | NaCa2(Fe42+Fe3+)(Si6Al2)O22(OH)2 |
| Al | ⓘ Jadeite | Na(Al,Fe3+)Si2O6 |
| Al | ⓘ Microcline | K(AlSi3O8) |
| Al | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Al | ⓘ Nepheline | Na3K(Al4Si4O16) |
| Al | ⓘ Omphacite | (NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6 |
| Al | ⓘ Orthoclase | K(AlSi3O8) |
| Al | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Al | ⓘ Augite var. Fassaite | (Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6] |
| Al | ⓘ Ferro-ferri-sadanagaite | {Na}{Ca2}{Fe32+Fe23+}(Al3Si5O22)(OH)2 |
| Al | ⓘ Ferri-kaersutite | NaCa2(Mg3Fe3+Ti)(Si6Al2O22)O2 |
| Al | ⓘ Potassic-ferro-ferri-taramite | K(CaNa)(Fe32+Fe23+)(Al2Si6O22)(OH)2 |
| Al | ⓘ Potassic-ferri-kaersutite | KCa2(Mg3Fe3+Ti)(Si6Al2)O22O2 |
| Si | Silicon | |
| Si | ⓘ Aegirine-augite | (NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6 |
| Si | ⓘ Albite | Na(AlSi3O8) |
| Si | ⓘ Amphibole Supergroup | AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
| Si | ⓘ Augite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| Si | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Si | ⓘ Cancrinite | (Na,Ca,◻)8(Al6Si6O24)(CO3,SO4)2 · 2H2O |
| Si | ⓘ Jadeite var. Chloromelanite | Na(Al,Fe3+)Si2O6 |
| Si | ⓘ Diopside | CaMgSi2O6 |
| Si | ⓘ Ferro-kaersutite | NaCa2{Fe32+AlTi}(Si6Al2O22)O2 |
| Si | ⓘ Ferro-pargasite | NaCa2(Fe42+Al)(Si6Al2)O22(OH)2 |
| Si | ⓘ Hastingsite | NaCa2(Fe42+Fe3+)(Si6Al2)O22(OH)2 |
| Si | ⓘ Hedenbergite | CaFe2+Si2O6 |
| Si | ⓘ Jadeite | Na(Al,Fe3+)Si2O6 |
| Si | ⓘ Microcline | K(AlSi3O8) |
| Si | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Si | ⓘ Nepheline | Na3K(Al4Si4O16) |
| Si | ⓘ Omphacite | (NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6 |
| Si | ⓘ Orthoclase | K(AlSi3O8) |
| Si | ⓘ Quartz | SiO2 |
| Si | ⓘ Titanite | CaTi(SiO4)O |
| Si | ⓘ Zircon | Zr(SiO4) |
| Si | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Si | ⓘ Garnet Group | X3Z2(SiO4)3 |
| Si | ⓘ Augite var. Fassaite | (Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6] |
| Si | ⓘ Ferro-ferri-sadanagaite | {Na}{Ca2}{Fe32+Fe23+}(Al3Si5O22)(OH)2 |
| Si | ⓘ Ferri-kaersutite | NaCa2(Mg3Fe3+Ti)(Si6Al2O22)O2 |
| Si | ⓘ Potassic-ferro-ferri-taramite | K(CaNa)(Fe32+Fe23+)(Al2Si6O22)(OH)2 |
| Si | ⓘ Potassic-ferri-kaersutite | KCa2(Mg3Fe3+Ti)(Si6Al2)O22O2 |
| P | Phosphorus | |
| P | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| S | Sulfur | |
| S | ⓘ Cancrinite | (Na,Ca,◻)8(Al6Si6O24)(CO3,SO4)2 · 2H2O |
| Cl | Chlorine | |
| Cl | ⓘ Amphibole Supergroup | AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
| Cl | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| K | Potassium | |
| K | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| K | ⓘ Microcline | K(AlSi3O8) |
| K | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| K | ⓘ Nepheline | Na3K(Al4Si4O16) |
| K | ⓘ Orthoclase | K(AlSi3O8) |
| K | ⓘ Potassic-ferro-ferri-taramite | K(CaNa)(Fe32+Fe23+)(Al2Si6O22)(OH)2 |
| K | ⓘ Potassic-ferri-kaersutite | KCa2(Mg3Fe3+Ti)(Si6Al2)O22O2 |
| Ca | Calcium | |
| Ca | ⓘ Aegirine-augite | (NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6 |
| Ca | ⓘ Augite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| Ca | ⓘ Calcite | CaCO3 |
| Ca | ⓘ Cancrinite | (Na,Ca,◻)8(Al6Si6O24)(CO3,SO4)2 · 2H2O |
| Ca | ⓘ Diopside | CaMgSi2O6 |
| Ca | ⓘ Ferro-kaersutite | NaCa2{Fe32+AlTi}(Si6Al2O22)O2 |
| Ca | ⓘ Ferro-pargasite | NaCa2(Fe42+Al)(Si6Al2)O22(OH)2 |
| Ca | ⓘ Hastingsite | NaCa2(Fe42+Fe3+)(Si6Al2)O22(OH)2 |
| Ca | ⓘ Hedenbergite | CaFe2+Si2O6 |
| Ca | ⓘ Omphacite | (NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6 |
| Ca | ⓘ Titanite | CaTi(SiO4)O |
| Ca | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Ca | ⓘ Augite var. Fassaite | (Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6] |
| Ca | ⓘ Ferro-ferri-sadanagaite | {Na}{Ca2}{Fe32+Fe23+}(Al3Si5O22)(OH)2 |
| Ca | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| Ca | ⓘ Ferri-kaersutite | NaCa2(Mg3Fe3+Ti)(Si6Al2O22)O2 |
| Ca | ⓘ Potassic-ferro-ferri-taramite | K(CaNa)(Fe32+Fe23+)(Al2Si6O22)(OH)2 |
| Ca | ⓘ Potassic-ferri-kaersutite | KCa2(Mg3Fe3+Ti)(Si6Al2)O22O2 |
| Ti | Titanium | |
| Ti | ⓘ Amphibole Supergroup | AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
| Ti | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Ti | ⓘ Ferro-kaersutite | NaCa2{Fe32+AlTi}(Si6Al2O22)O2 |
| Ti | ⓘ Titanite | CaTi(SiO4)O |
| Ti | ⓘ Augite var. Fassaite | (Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6] |
| Ti | ⓘ Ferri-kaersutite | NaCa2(Mg3Fe3+Ti)(Si6Al2O22)O2 |
| Ti | ⓘ Potassic-ferri-kaersutite | KCa2(Mg3Fe3+Ti)(Si6Al2)O22O2 |
| Fe | Iron | |
| Fe | ⓘ Aegirine-augite | (NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6 |
| Fe | ⓘ Augite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| Fe | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Fe | ⓘ Jadeite var. Chloromelanite | Na(Al,Fe3+)Si2O6 |
| Fe | ⓘ Ferro-kaersutite | NaCa2{Fe32+AlTi}(Si6Al2O22)O2 |
| Fe | ⓘ Ferro-pargasite | NaCa2(Fe42+Al)(Si6Al2)O22(OH)2 |
| Fe | ⓘ Hastingsite | NaCa2(Fe42+Fe3+)(Si6Al2)O22(OH)2 |
| Fe | ⓘ Hedenbergite | CaFe2+Si2O6 |
| Fe | ⓘ Jadeite | Na(Al,Fe3+)Si2O6 |
| Fe | ⓘ Magnetite | Fe2+Fe23+O4 |
| Fe | ⓘ Omphacite | (NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6 |
| Fe | ⓘ Augite var. Fassaite | (Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6] |
| Fe | ⓘ Ferro-ferri-sadanagaite | {Na}{Ca2}{Fe32+Fe23+}(Al3Si5O22)(OH)2 |
| Fe | ⓘ Ferri-kaersutite | NaCa2(Mg3Fe3+Ti)(Si6Al2O22)O2 |
| Fe | ⓘ Potassic-ferro-ferri-taramite | K(CaNa)(Fe32+Fe23+)(Al2Si6O22)(OH)2 |
| Fe | ⓘ Potassic-ferri-kaersutite | KCa2(Mg3Fe3+Ti)(Si6Al2)O22O2 |
| Zr | Zirconium | |
| Zr | ⓘ Zircon | Zr(SiO4) |
Geochronology
Mineralization age: Neochaotian to Cambrian : ~4600 Ma to 541 ± 1.0 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 |
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| Proterozoic | |||||||||||||
| Mesoproterozoic | |||||||||||||
| Ectasian |
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Other Regions, Features and Areas containing this locality
AsiaContinent
India
- Andhra Pradesh
- ⭔Coastal AndhraRegion
Indian Plate (India Plate)Tectonic Plate
- Krishna ProvinceOrogenic Belt
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References
Madhavan, V., Leelanandam, C. (1988) Petrology of the Elchuru Alkaline Pluton, Prakasam District, Andhra Pradesh, India. Journal Geological Society of India, 31 (6). 515-537 doi:10.17491/jgsi/1988/310601
Madhavan, V., Mallikharjuna Rao, J., Balaram, V., Kumar, Ramesh (1992) Geochemistry and Petrogenesis of Lamprophyres and Associated Dykes from Elchuru, Andhra Pradesh, India. Journal Geological Society of India, 40 (2). 135-149 doi:10.17491/jgsi/1992/400205