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Kotappa Konda outcrops, Prakasam District, Andhra Pradesh, Indiai
Regional Level Types
Kotappa Konda outcropsGroup of Outcrops
Prakasam DistrictDistrict
Andhra PradeshState
IndiaCountry

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Latitude & Longitude (WGS84):
16° 1' North , 80° 0' East
Latitude & Longitude (decimal):
16.01667,80.00000
GRN:
N11E55
Type:
Group of Outcrops
Köppen climate type:
Aw : Tropical savanna, wet
Nearest Settlements:
PlacePopulationDistance
Govindapuram,Chilakaluripet,Guntur3,000 (2014)18.9km
Chilakalūrupet94,011 (2015)19.6km
Addanki28,547 (2017)23.1km
pedda nakkalapalem2,500 (2014)24.0km
Narasaraopet97,194 (2015)24.8km
Mindat Locality ID:
335758
Long-form identifier:
mindat:1:2:335758:6
GUID (UUID V4):
0


There are 6 outcrops of nepheline syenite in fields surrounding the hill of Kotappa Konda, which lies c. 15 km NE of Elchuru. The most extensive outcrop is c. 30x30 m in extent. The outcrops trend NW-SE.

Age probably Proterozoic.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


5 valid minerals.

Detailed Mineral List:

ⓘ 'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
ⓘ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ Calcite
Formula: CaCO3
ⓘ Cancrinite
Formula: (Na,Ca,◻)8(Al6Si6O24)(CO3,SO4)2 · 2H2O
ⓘ 'Feldspar Group'
ⓘ 'Feldspar Group var. Perthite'
ⓘ 'Hornblende Root Name Group'
Formula: ◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2
ⓘ Microcline
Formula: K(AlSi3O8)
ⓘ Nepheline
Formula: Na3K(Al4Si4O16)
ⓘ 'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
ⓘ Zircon
Formula: Zr(SiO4)

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
Group 9 - Silicates
ⓘZircon9.AD.30Zr(SiO4)
ⓘNepheline9.FA.05Na3K(Al4Si4O16)
ⓘMicrocline9.FA.30K(AlSi3O8)
ⓘCancrinite9.FB.05(Na,Ca,◻)8(Al6Si6O24)(CO3,SO4)2 · 2H2O
Unclassified
ⓘ'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ'Feldspar Group'-
ⓘ'var. Perthite'-
ⓘ'Hornblende Root Name Group'-◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2
ⓘ'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8
ⓘ'Apatite'-Ca5(PO4)3(Cl/F/OH)

List of minerals for each chemical element

HHydrogen
Hⓘ BiotiteK(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ⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Hⓘ ApatiteCa5(PO4)3(Cl/F/OH)
CCarbon
Cⓘ CalciteCaCO3
Cⓘ Cancrinite(Na,Ca,◻)8(Al6Si6O24)(CO3,SO4)2 · 2H2O
OOxygen
Oⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Oⓘ CalciteCaCO3
Oⓘ Cancrinite(Na,Ca,◻)8(Al6Si6O24)(CO3,SO4)2 · 2H2O
Oⓘ MicroclineK(AlSi3O8)
Oⓘ NephelineNa3K(Al4Si4O16)
Oⓘ ZirconZr(SiO4)
Oⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Oⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Oⓘ ApatiteCa5(PO4)3(Cl/F/OH)
FFluorine
Fⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Fⓘ ApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
Naⓘ Cancrinite(Na,Ca,◻)8(Al6Si6O24)(CO3,SO4)2 · 2H2O
Naⓘ NephelineNa3K(Al4Si4O16)
Naⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
MgMagnesium
Mgⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
AlAluminium
Alⓘ BiotiteK(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ⓘ MicroclineK(AlSi3O8)
Alⓘ NephelineNa3K(Al4Si4O16)
Alⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Alⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
SiSilicon
Siⓘ BiotiteK(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ⓘ MicroclineK(AlSi3O8)
Siⓘ NephelineNa3K(Al4Si4O16)
Siⓘ ZirconZr(SiO4)
Siⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Siⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
PPhosphorus
Pⓘ ApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
Sⓘ Cancrinite(Na,Ca,◻)8(Al6Si6O24)(CO3,SO4)2 · 2H2O
ClChlorine
Clⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Clⓘ ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
Kⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Kⓘ MicroclineK(AlSi3O8)
Kⓘ NephelineNa3K(Al4Si4O16)
CaCalcium
Caⓘ CalciteCaCO3
Caⓘ Cancrinite(Na,Ca,◻)8(Al6Si6O24)(CO3,SO4)2 · 2H2O
Caⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Caⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Caⓘ ApatiteCa5(PO4)3(Cl/F/OH)
TiTitanium
Tiⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
FeIron
Feⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ZrZirconium
Zrⓘ ZirconZr(SiO4)

Other Regions, Features and Areas containing this locality

AsiaContinent
India
Indian Plate (India Plate)Tectonic Plate

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References

Narasinga Rao, K., & Leelanandam, C. (1974). Occurrence of nepheline syenites near Kotappa Konda, Guntur District, Andhra Pradesh. Jour, Indian Acad. Geosci, 17, 53-56.
Woolley, Alan R. (2019) Alkaline Rocks and Carbonatites of the World. Part 4: Antarctica, Asia and Europe (excluding the former USSR), Australasia and Oceanic Islands. The Geological Society of London. doi:10.1144/mpar4p.104
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