Swarm of dikes cuts Archean gneisses and a Proterozoic granite. Part of the swarm consists of alkaline dikes, which vary from <1 m to c. 15 m thick and from 90 m to c. 8km in length.

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Standard Detailed Gallery Strunz Chemical Elements

Mineral List

ⓘ Aegirine

8 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

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Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Aegirine

Formula: NaFe³⁺Si₂O₆

References:

Devaraju, T.C., Laajoki, K., Makkonen, H., Khandali, S.D., Ugarkar, A.G. & Jamakhandi, M.S.R. 1995. Neo-Proterozoic dyke swarms of southern Karnataka: Part I: Field characters, petrography and mineralogy. Memoir, Geological Society of India, 33, 209-265.

Devaraju, T.C., Laajoki, K., Zozulya, D., Khanadali, S.D., & Ugarkar, A.G. 1995. Neo-Proterozoic dyke swarm of southern Karnataka: Part II: Geochemistry, oxygen isotope composition, Rb-Sr age and petrogenesis. Memoir, Geological Society of India, 33, 267-306.

Ikramuddin, M., & Stueber, A. M. (1976). Rb-Sr ages of Precambrian dolerite and alkaline dikes, southeast Mysore state, India. Lithos, 9(3), 235-241.

ⓘ Aegirine-augite

Formula: (Na_aCa_bFe²⁺_cMg_d)(Fe³⁺_eAl_fFe²⁺_gMg_h)Si₂O₆

References:

Ikramuddin, M., & Stueber, A. M. (1976). Rb-Sr ages of Precambrian dolerite and alkaline dikes, southeast Mysore state, India. Lithos, 9(3), 235-241.

ⓘ Analcime

Formula: Na(AlSi₂O₆) · H₂O

References:

Ikramuddin, M., & Stueber, A. M. (1976). Rb-Sr ages of Precambrian dolerite and alkaline dikes, southeast Mysore state, India. Lithos, 9(3), 235-241.

ⓘ 'Apatite'

Formula: Ca₅(PO₄)₃(Cl/F/OH)

References:

Ikramuddin, M., & Stueber, A. M. (1976). Rb-Sr ages of Precambrian dolerite and alkaline dikes, southeast Mysore state, India. Lithos, 9(3), 235-241.

ⓘ Cancrinite

Formula: (Na,Ca,◻)₈(Al₆Si₆O₂₄)(CO₃,SO₄)₂ · 2H₂O

References:

Ikramuddin, M., & Stueber, A. M. (1976). Rb-Sr ages of Precambrian dolerite and alkaline dikes, southeast Mysore state, India. Lithos, 9(3), 235-241.

ⓘ Fluorite

Formula: CaF₂

References:

Ikramuddin, M., & Stueber, A. M. (1976). Rb-Sr ages of Precambrian dolerite and alkaline dikes, southeast Mysore state, India. Lithos, 9(3), 235-241.

ⓘ 'K Feldspar'

References:

Ikramuddin, M., & Stueber, A. M. (1976). Rb-Sr ages of Precambrian dolerite and alkaline dikes, southeast Mysore state, India. Lithos, 9(3), 235-241.

ⓘ Magnetite

Formula: Fe²⁺Fe³⁺₂O₄

References:

Ikramuddin, M., & Stueber, A. M. (1976). Rb-Sr ages of Precambrian dolerite and alkaline dikes, southeast Mysore state, India. Lithos, 9(3), 235-241.

ⓘ 'Plagioclase'

Formula: (Na,Ca)[(Si,Al)AlSi₂]O₈

References:

Ikramuddin, M., & Stueber, A. M. (1976). Rb-Sr ages of Precambrian dolerite and alkaline dikes, southeast Mysore state, India. Lithos, 9(3), 235-241.

ⓘ Sodalite

Formula: Na₄(Si₃Al₃)O₁₂Cl

References:

Ikramuddin, M., & Stueber, A. M. (1976). Rb-Sr ages of Precambrian dolerite and alkaline dikes, southeast Mysore state, India. Lithos, 9(3), 235-241.

ⓘ Titanite

Formula: CaTi(SiO₄)O

References:

Ikramuddin, M., & Stueber, A. M. (1976). Rb-Sr ages of Precambrian dolerite and alkaline dikes, southeast Mysore state, India. Lithos, 9(3), 235-241.

ⓘ 'Zeolite Group'

References:

Ikramuddin, M., & Stueber, A. M. (1976). Rb-Sr ages of Precambrian dolerite and alkaline dikes, southeast Mysore state, India. Lithos, 9(3), 235-241.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 3 - Halides
ⓘ	Fluorite	3.AB.25	CaF₂
Group 4 - Oxides and Hydroxides
ⓘ	Magnetite	4.BB.05	Fe²⁺Fe³⁺₂O₄
Group 9 - Silicates
ⓘ	Titanite	9.AG.15	CaTi(SiO₄)O
ⓘ	Aegirine-augite	9.DA.20	(Na_aCa_bFe²⁺_cMg_d)(Fe³⁺_eAl_fFe²⁺_gMg_h)Si₂O₆
ⓘ	Aegirine	9.DA.25	NaFe³⁺Si₂O₆
ⓘ	Cancrinite	9.FB.05	(Na,Ca,◻)₈(Al₆Si₆O₂₄)(CO₃,SO₄)₂ · 2H₂O
ⓘ	Sodalite	9.FB.10	Na₄(Si₃Al₃)O₁₂Cl
ⓘ	'Zeolite Group'	9.G0.
ⓘ	Analcime	9.GB.05	Na(AlSi₂O₆) · H₂O
Unclassified
ⓘ	'Plagioclase'	-	(Na,Ca)[(Si,Al)AlSi₂]O₈
ⓘ	'K Feldspar'	-
ⓘ	'Apatite'	-	Ca₅(PO₄)₃(Cl/F/OH)

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Analcime	Na(AlSi₂O₆) · H₂O
H	ⓘ Cancrinite	(Na,Ca,◻)₈(Al₆Si₆O₂₄)(CO₃,SO₄)₂ · 2H₂O
H	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
C	Carbon
C	ⓘ Cancrinite	(Na,Ca,◻)₈(Al₆Si₆O₂₄)(CO₃,SO₄)₂ · 2H₂O
O	Oxygen
O	ⓘ Aegirine	NaFe³⁺Si₂O₆
O	ⓘ Aegirine-augite	(Na_aCa_bFe_c²⁺Mg_d)(Fe_e³⁺Al_fFe_g²⁺Mg_h)Si₂O₆
O	ⓘ Analcime	Na(AlSi₂O₆) · H₂O
O	ⓘ Cancrinite	(Na,Ca,◻)₈(Al₆Si₆O₂₄)(CO₃,SO₄)₂ · 2H₂O
O	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
O	ⓘ Sodalite	Na₄(Si₃Al₃)O₁₂Cl
O	ⓘ Titanite	CaTi(SiO₄)O
O	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
O	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
F	Fluorine
F	ⓘ Fluorite	CaF₂
F	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
Na	Sodium
Na	ⓘ Aegirine	NaFe³⁺Si₂O₆
Na	ⓘ Aegirine-augite	(Na_aCa_bFe_c²⁺Mg_d)(Fe_e³⁺Al_fFe_g²⁺Mg_h)Si₂O₆
Na	ⓘ Analcime	Na(AlSi₂O₆) · H₂O
Na	ⓘ Cancrinite	(Na,Ca,◻)₈(Al₆Si₆O₂₄)(CO₃,SO₄)₂ · 2H₂O
Na	ⓘ Sodalite	Na₄(Si₃Al₃)O₁₂Cl
Na	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Mg	Magnesium
Mg	ⓘ Aegirine-augite	(Na_aCa_bFe_c²⁺Mg_d)(Fe_e³⁺Al_fFe_g²⁺Mg_h)Si₂O₆
Al	Aluminium
Al	ⓘ Aegirine-augite	(Na_aCa_bFe_c²⁺Mg_d)(Fe_e³⁺Al_fFe_g²⁺Mg_h)Si₂O₆
Al	ⓘ Analcime	Na(AlSi₂O₆) · H₂O
Al	ⓘ Cancrinite	(Na,Ca,◻)₈(Al₆Si₆O₂₄)(CO₃,SO₄)₂ · 2H₂O
Al	ⓘ Sodalite	Na₄(Si₃Al₃)O₁₂Cl
Al	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Si	Silicon
Si	ⓘ Aegirine	NaFe³⁺Si₂O₆
Si	ⓘ Aegirine-augite	(Na_aCa_bFe_c²⁺Mg_d)(Fe_e³⁺Al_fFe_g²⁺Mg_h)Si₂O₆
Si	ⓘ Analcime	Na(AlSi₂O₆) · H₂O
Si	ⓘ Cancrinite	(Na,Ca,◻)₈(Al₆Si₆O₂₄)(CO₃,SO₄)₂ · 2H₂O
Si	ⓘ Sodalite	Na₄(Si₃Al₃)O₁₂Cl
Si	ⓘ Titanite	CaTi(SiO₄)O
Si	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
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	ⓘ Sodalite	Na₄(Si₃Al₃)O₁₂Cl
Cl	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
Ca	Calcium
Ca	ⓘ Aegirine-augite	(Na_aCa_bFe_c²⁺Mg_d)(Fe_e³⁺Al_fFe_g²⁺Mg_h)Si₂O₆
Ca	ⓘ Cancrinite	(Na,Ca,◻)₈(Al₆Si₆O₂₄)(CO₃,SO₄)₂ · 2H₂O
Ca	ⓘ Fluorite	CaF₂
Ca	ⓘ Titanite	CaTi(SiO₄)O
Ca	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Ca	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
Ti	Titanium
Ti	ⓘ Titanite	CaTi(SiO₄)O
Fe	Iron
Fe	ⓘ Aegirine	NaFe³⁺Si₂O₆
Fe	ⓘ Aegirine-augite	(Na_aCa_bFe_c²⁺Mg_d)(Fe_e³⁺Al_fFe_g²⁺Mg_h)Si₂O₆
Fe	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄

Geochronology

Mineralization age: Eoarchean to Cambrian : 4000 Ma to 541 ± 1.0 Ma

Important 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

ⓘ Granite

Proterozoic
(541 - 2500 Ma)

Neoproterozoic

Tonian

ⓘ Bostonite	810 ± 25 Ma
ⓘ Tinguaite	819 ± 24 Ma
ⓘ Sölvsbergite	832 ± 40 Ma

Archean

ⓘ Gneiss

Archean
(2500 - 4000 Ma)

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Ikramuddin, M., & Stueber, A. M. (1976). Rb-Sr ages of Precambrian dolerite and alkaline dikes, southeast Mysore state, India. Lithos, 9(3), 235-241.

Woolley A.R. (2019) Alkaline Rocks and Carbonatites of the World. Part 4: Antarctica, Asia and Europe, p.110

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Kanakapura, Ramanagara District, Karnataka, IndiaiRegional Level TypesKanakapuraDike swarm Ramanagara DistrictMunicipality KarnatakaState IndiaCountry function showexplain() { $("#locexplain").toggle(); if (typeof movemap === "function") movemap(); }

Select Mineral List Type

Mineral List

Rock Types Recorded

Select Rock List Type

Detailed Mineral List:

Gallery:

List of minerals arranged by Strunz 10th Edition classification

List of minerals for each chemical element

Geochronology

References

Kanakapura, Ramanagara District, Karnataka, India i
Regional Level Types
Kanakapura Dike swarm
Ramanagara District Municipality
Karnataka State
India Country