West of villages of Pakkanadu and Mulakkadu are areas of pyroxenite and carbonatite sheets emplaced in syenite and located along a major fault zone. The syenites form a part of Precambrian basement and are not peralkaline.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

22 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 Diagram

ⓘ 'Albitite'

ⓘ 'Biotite gneiss'

ⓘ Carbonatite

ⓘ 'Charnockitic granite'

ⓘ Dunite

ⓘ Feldspathic breccia

Detailed Mineral List:

ⓘ Aegirine

Formula: NaFe³⁺Si₂O₆

References:

Rao, C. S., Das, G. N., Setty, B. K., & Perumal, N. V. A. S. (1978). Radioactive Carbonatites of Pakkanadu and Mulakkadu, Salem District, Tamil Nadu. Geological Society of India, 19(2), 53-63.

ⓘ Albite

Formula: Na(AlSi₃O₈)

References:

Rao, C. S., Das, G. N., Setty, B. K., & Perumal, N. V. A. S. (1978). Radioactive Carbonatites of Pakkanadu and Mulakkadu, Salem District, Tamil Nadu. Geological Society of India, 19(2), 53-63.

ⓘ 'Alkali Feldspar'

References:

Rao, C. S., Das, G. N., Setty, B. K., & Perumal, N. V. A. S. (1978). Radioactive Carbonatites of Pakkanadu and Mulakkadu, Salem District, Tamil Nadu. Geological Society of India, 19(2), 53-63.

ⓘ Allanite-(Ce)

Formula: (CaCe)(AlAlFe²⁺)O[Si₂O₇][SiO₄](OH)

References:

Mahapatro, S.N., Meshram, T., Korakappa, M. (2023): Mineralogy of Pakkanadu carbonatites and associated rocks, South India: constraints on evolution and evidences for REE enrichment. Mineralogy and Petrology, 117, 595–617.

ⓘ 'Allanite Group'

Formula: (A1²⁺REE³⁺)(M1³⁺M2³⁺M3²⁺)O[Si₂O₇][SiO₄](OH)

References:

Rao, C. S., Das, G. N., Setty, B. K., & Perumal, N. V. A. S. (1978). Radioactive Carbonatites of Pakkanadu and Mulakkadu, Salem District, Tamil Nadu. Geological Society of India, 19(2), 53-63.

Libeesh, N. K., Naseer, K. A., Arivazhagan, S., Abd El-Rehim, A. F., ALMisned, G., & Tekin, H. O. (2022). Characterization of Ultramafic–Alkaline-Carbonatite complex for radiation shielding competencies: An experimental and Monte Carlo study with lithological mapping. Ore Geology Reviews, 104735.

ⓘ Ankerite

Formula: Ca(Fe²⁺,Mg)(CO₃)₂

References:

Rao, C. S., Das, G. N., Setty, B. K., & Perumal, N. V. A. S. (1978). Radioactive Carbonatites of Pakkanadu and Mulakkadu, Salem District, Tamil Nadu. Geological Society of India, 19(2), 53-63.

ⓘ 'Apatite'

Formula: Ca₅(PO₄)₃(Cl/F/OH)

References:

Rao, C. S., Das, G. N., Setty, B. K., & Perumal, N. V. A. S. (1978). Radioactive Carbonatites of Pakkanadu and Mulakkadu, Salem District, Tamil Nadu. Geological Society of India, 19(2), 53-63.

ⓘ Baryte

Formula: BaSO₄

References:

Rao, C. S., Das, G. N., Setty, B. K., & Perumal, N. V. A. S. (1978). Radioactive Carbonatites of Pakkanadu and Mulakkadu, Salem District, Tamil Nadu. Geological Society of India, 19(2), 53-63.

ⓘ 'Biotite'

Formula: K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂

References:

Rao, C. S., Das, G. N., Setty, B. K., & Perumal, N. V. A. S. (1978). Radioactive Carbonatites of Pakkanadu and Mulakkadu, Salem District, Tamil Nadu. Geological Society of India, 19(2), 53-63.

ⓘ Calcite

Formula: CaCO₃

References:

Rao, C. S., Das, G. N., Setty, B. K., & Perumal, N. V. A. S. (1978). Radioactive Carbonatites of Pakkanadu and Mulakkadu, Salem District, Tamil Nadu. Geological Society of India, 19(2), 53-63.

ⓘ Celestine

Formula: SrSO₄

References:

Rao, C. S., Das, G. N., Setty, B. K., & Perumal, N. V. A. S. (1978). Radioactive Carbonatites of Pakkanadu and Mulakkadu, Salem District, Tamil Nadu. Geological Society of India, 19(2), 53-63.

ⓘ Cerianite-(Ce)

Formula: (Ce⁴⁺,Th)O₂

References:

Rao, C. S., Das, G. N., Setty, B. K., & Perumal, N. V. A. S. (1978). Radioactive Carbonatites of Pakkanadu and Mulakkadu, Salem District, Tamil Nadu. Geological Society of India, 19(2), 53-63.

ⓘ Chevkinite-(Ce)

Formula: Ce₄(Ti,Fe²⁺,Fe³⁺)₅O₈(Si₂O₇)₂

References:

ⓘ Diopside

Formula: CaMgSi₂O₆

References:

Rao, C. S., Das, G. N., Setty, B. K., & Perumal, N. V. A. S. (1978). Radioactive Carbonatites of Pakkanadu and Mulakkadu, Salem District, Tamil Nadu. Geological Society of India, 19(2), 53-63.

ⓘ 'Feldspar Group'

References:

Rao, C. S., Das, G. N., Setty, B. K., & Perumal, N. V. A. S. (1978). Radioactive Carbonatites of Pakkanadu and Mulakkadu, Salem District, Tamil Nadu. Geological Society of India, 19(2), 53-63.

ⓘ 'Feldspar Group var. Perthite'

References:

Rao, C. S., Das, G. N., Setty, B. K., & Perumal, N. V. A. S. (1978). Radioactive Carbonatites of Pakkanadu and Mulakkadu, Salem District, Tamil Nadu. Geological Society of India, 19(2), 53-63.

Pandit, M. K., Sial, A. N., Sukumaran, G. B., Pimentel, M. M., Ramasamy, A. K., & Ferreira, V. P. (2002). Depleted and enriched mantle sources for Paleo-and Neoproterozoic carbonatites of southern India: Sr, Nd, C–O isotopic and geochemical constraints. Chemical geology, 189(1-2), 69-89.

ⓘ Fluorapatite

Formula: Ca₅(PO₄)₃F

References:

ⓘ 'Garnet Group'

Formula: X₃Z₂(SiO₄)₃

References:

Rao, C. S., Das, G. N., Setty, B. K., & Perumal, N. V. A. S. (1978). Radioactive Carbonatites of Pakkanadu and Mulakkadu, Salem District, Tamil Nadu. Geological Society of India, 19(2), 53-63.

ⓘ 'Hornblende Root Name Group'

Formula: ◻Ca₂(Z²⁺₄Z³⁺)(AlSi₇O₂₂)(OH,F,Cl)₂

ⓘ Magnesite

Formula: MgCO₃

References:

ⓘ Magnetite

Formula: Fe²⁺Fe³⁺₂O₄

References:

Rao, C. S., Das, G. N., Setty, B. K., & Perumal, N. V. A. S. (1978). Radioactive Carbonatites of Pakkanadu and Mulakkadu, Salem District, Tamil Nadu. Geological Society of India, 19(2), 53-63.

ⓘ 'Mica Group'

References:

Rao, C. S., Das, G. N., Setty, B. K., & Perumal, N. V. A. S. (1978). Radioactive Carbonatites of Pakkanadu and Mulakkadu, Salem District, Tamil Nadu. Geological Society of India, 19(2), 53-63.

ⓘ Microcline

Formula: K(AlSi₃O₈)

References:

Rao, C. S., Das, G. N., Setty, B. K., & Perumal, N. V. A. S. (1978). Radioactive Carbonatites of Pakkanadu and Mulakkadu, Salem District, Tamil Nadu. Geological Society of India, 19(2), 53-63.

ⓘ 'Monazite'

Formula: REE(PO₄)

References:

Rao, C. S., Das, G. N., Setty, B. K., & Perumal, N. V. A. S. (1978). Radioactive Carbonatites of Pakkanadu and Mulakkadu, Salem District, Tamil Nadu. Geological Society of India, 19(2), 53-63.

ⓘ Monazite-(Ce)

Formula: Ce(PO₄)

References:

ⓘ Orthoclase

Formula: K(AlSi₃O₈)

References:

Rao, C. S., Das, G. N., Setty, B. K., & Perumal, N. V. A. S. (1978). Radioactive Carbonatites of Pakkanadu and Mulakkadu, Salem District, Tamil Nadu. Geological Society of India, 19(2), 53-63.

ⓘ Phlogopite

Formula: KMg₃(AlSi₃O₁₀)(OH)₂

References:

Rao, C. S., Das, G. N., Setty, B. K., & Perumal, N. V. A. S. (1978). Radioactive Carbonatites of Pakkanadu and Mulakkadu, Salem District, Tamil Nadu. Geological Society of India, 19(2), 53-63.

ⓘ 'Pyrochlore Group'

Formula: A₂Nb₂(O,OH)₆Z

References:

ⓘ Quartz

Formula: SiO₂

References:

Rao, C. S., Das, G. N., Setty, B. K., & Perumal, N. V. A. S. (1978). Radioactive Carbonatites of Pakkanadu and Mulakkadu, Salem District, Tamil Nadu. Geological Society of India, 19(2), 53-63.

ⓘ Siderite

Formula: FeCO₃

References:

Rao, C. S., Das, G. N., Setty, B. K., & Perumal, N. V. A. S. (1978). Radioactive Carbonatites of Pakkanadu and Mulakkadu, Salem District, Tamil Nadu. Geological Society of India, 19(2), 53-63.

ⓘ Strontianite

Formula: SrCO₃

References:

Rao, C. S., Das, G. N., Setty, B. K., & Perumal, N. V. A. S. (1978). Radioactive Carbonatites of Pakkanadu and Mulakkadu, Salem District, Tamil Nadu. Geological Society of India, 19(2), 53-63.

ⓘ Titanite

Formula: CaTi(SiO₄)O

References:

Rao, C. S., Das, G. N., Setty, B. K., & Perumal, N. V. A. S. (1978). Radioactive Carbonatites of Pakkanadu and Mulakkadu, Salem District, Tamil Nadu. Geological Society of India, 19(2), 53-63.

ⓘ Zircon

Formula: Zr(SiO₄)

References:

Rao, C. S., Das, G. N., Setty, B. K., & Perumal, N. V. A. S. (1978). Radioactive Carbonatites of Pakkanadu and Mulakkadu, Salem District, Tamil Nadu. Geological Society of India, 19(2), 53-63.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘ	'Pyrochlore Group'	4.00.	A₂Nb₂(O,OH)₆Z
ⓘ	Magnetite	4.BB.05	Fe²⁺Fe³⁺₂O₄
ⓘ	Quartz	4.DA.05	SiO₂
ⓘ	Cerianite-(Ce)	4.DL.05	(Ce⁴⁺,Th)O₂
Group 5 - Nitrates and Carbonates
ⓘ	Magnesite	5.AB.05	MgCO₃
ⓘ	Siderite	5.AB.05	FeCO₃
ⓘ	Calcite	5.AB.05	CaCO₃
ⓘ	Ankerite	5.AB.10	Ca(Fe²⁺,Mg)(CO₃)₂
ⓘ	Strontianite	5.AB.15	SrCO₃
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘ	Baryte	7.AD.35	BaSO₄
ⓘ	Celestine	7.AD.35	SrSO₄
Group 8 - Phosphates, Arsenates and Vanadates
ⓘ	Monazite-(Ce)	8.AD.50	Ce(PO₄)
ⓘ	Fluorapatite	8.BN.05	Ca₅(PO₄)₃F
Group 9 - Silicates
ⓘ	Zircon	9.AD.30	Zr(SiO₄)
ⓘ	Titanite	9.AG.15	CaTi(SiO₄)O
ⓘ	Chevkinite-(Ce)	9.BE.70	Ce₄(Ti,Fe²⁺,Fe³⁺)₅O₈(Si₂O₇)₂
ⓘ	Allanite-(Ce)	9.BG.05b	(CaCe)(AlAlFe²⁺)O[Si₂O₇][SiO₄](OH)
ⓘ	Diopside	9.DA.15	CaMgSi₂O₆
ⓘ	Aegirine	9.DA.25	NaFe³⁺Si₂O₆
ⓘ	Phlogopite	9.EC.20	KMg₃(AlSi₃O₁₀)(OH)₂
ⓘ	Microcline	9.FA.30	K(AlSi₃O₈)
ⓘ	Orthoclase	9.FA.30	K(AlSi₃O₈)
ⓘ	Albite	9.FA.35	Na(AlSi₃O₈)
Unclassified
ⓘ	'Hornblende Root Name Group'	-	◻Ca₂(Z²⁺₄Z³⁺)(AlSi₇O₂₂)(OH,F,Cl)₂
ⓘ	'Garnet Group'	-	X₃Z₂(SiO₄)₃
ⓘ	'Apatite'	-	Ca₅(PO₄)₃(Cl/F/OH)
ⓘ	'Monazite'	-	REE(PO₄)
ⓘ	'Mica Group'	-
ⓘ	'Feldspar Group var. Perthite'	-
ⓘ	''	-
ⓘ	'Biotite'	-	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
ⓘ	'Alkali Feldspar'	-
ⓘ	'Allanite Group'	-	(A1²⁺REE³⁺)(M1³⁺M2³⁺M3²⁺)O[Si₂O₇][SiO₄](OH)

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Allanite-(Ce)	(CaCe)(AlAlFe²⁺)O[Si₂O₇][SiO₄](OH)
H	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
H	ⓘ Phlogopite	KMg₃(AlSi₃O₁₀)(OH)₂
H	ⓘ Pyrochlore Group	A₂Nb₂(O,OH)₆Z
H	ⓘ Hornblende Root Name Group	◻Ca₂(Z₄²⁺Z³⁺)(AlSi₇O₂₂)(OH,F,Cl)₂
H	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
H	ⓘ Allanite Group	(A1²⁺REE³⁺)(M1³⁺M2³⁺M3²⁺)O[Si₂O₇][SiO₄](OH)
C	Carbon
C	ⓘ Ankerite	Ca(Fe²⁺,Mg)(CO₃)₂
C	ⓘ Calcite	CaCO₃
C	ⓘ Magnesite	MgCO₃
C	ⓘ Siderite	FeCO₃
C	ⓘ Strontianite	SrCO₃
O	Oxygen
O	ⓘ Aegirine	NaFe³⁺Si₂O₆
O	ⓘ Albite	Na(AlSi₃O₈)
O	ⓘ Allanite-(Ce)	(CaCe)(AlAlFe²⁺)O[Si₂O₇][SiO₄](OH)
O	ⓘ Ankerite	Ca(Fe²⁺,Mg)(CO₃)₂
O	ⓘ Baryte	BaSO₄
O	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
O	ⓘ Calcite	CaCO₃
O	ⓘ Celestine	SrSO₄
O	ⓘ Cerianite-(Ce)	(Ce⁴⁺,Th)O₂
O	ⓘ Diopside	CaMgSi₂O₆
O	ⓘ Fluorapatite	Ca₅(PO₄)₃F
O	ⓘ Magnesite	MgCO₃
O	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
O	ⓘ Microcline	K(AlSi₃O₈)
O	ⓘ Monazite	REE(PO₄)
O	ⓘ Monazite-(Ce)	Ce(PO₄)
O	ⓘ Orthoclase	K(AlSi₃O₈)
O	ⓘ Phlogopite	KMg₃(AlSi₃O₁₀)(OH)₂
O	ⓘ Pyrochlore Group	A₂Nb₂(O,OH)₆Z
O	ⓘ Quartz	SiO₂
O	ⓘ Siderite	FeCO₃
O	ⓘ Strontianite	SrCO₃
O	ⓘ Titanite	CaTi(SiO₄)O
O	ⓘ Zircon	Zr(SiO₄)
O	ⓘ Chevkinite-(Ce)	Ce₄(Ti,Fe²⁺,Fe³⁺)₅O₈(Si₂O₇)₂
O	ⓘ Hornblende Root Name Group	◻Ca₂(Z₄²⁺Z³⁺)(AlSi₇O₂₂)(OH,F,Cl)₂
O	ⓘ Garnet Group	X₃Z₂(SiO₄)₃
O	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
O	ⓘ Allanite Group	(A1²⁺REE³⁺)(M1³⁺M2³⁺M3²⁺)O[Si₂O₇][SiO₄](OH)
F	Fluorine
F	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
F	ⓘ Fluorapatite	Ca₅(PO₄)₃F
F	ⓘ Hornblende Root Name Group	◻Ca₂(Z₄²⁺Z³⁺)(AlSi₇O₂₂)(OH,F,Cl)₂
F	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
Na	Sodium
Na	ⓘ Aegirine	NaFe³⁺Si₂O₆
Na	ⓘ Albite	Na(AlSi₃O₈)
Mg	Magnesium
Mg	ⓘ Ankerite	Ca(Fe²⁺,Mg)(CO₃)₂
Mg	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Mg	ⓘ Diopside	CaMgSi₂O₆
Mg	ⓘ Magnesite	MgCO₃
Mg	ⓘ Phlogopite	KMg₃(AlSi₃O₁₀)(OH)₂
Al	Aluminium
Al	ⓘ Albite	Na(AlSi₃O₈)
Al	ⓘ Allanite-(Ce)	(CaCe)(AlAlFe²⁺)O[Si₂O₇][SiO₄](OH)
Al	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Al	ⓘ Microcline	K(AlSi₃O₈)
Al	ⓘ Orthoclase	K(AlSi₃O₈)
Al	ⓘ Phlogopite	KMg₃(AlSi₃O₁₀)(OH)₂
Al	ⓘ Hornblende Root Name Group	◻Ca₂(Z₄²⁺Z³⁺)(AlSi₇O₂₂)(OH,F,Cl)₂
Si	Silicon
Si	ⓘ Aegirine	NaFe³⁺Si₂O₆
Si	ⓘ Albite	Na(AlSi₃O₈)
Si	ⓘ Allanite-(Ce)	(CaCe)(AlAlFe²⁺)O[Si₂O₇][SiO₄](OH)
Si	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Si	ⓘ Diopside	CaMgSi₂O₆
Si	ⓘ Microcline	K(AlSi₃O₈)
Si	ⓘ Orthoclase	K(AlSi₃O₈)
Si	ⓘ Phlogopite	KMg₃(AlSi₃O₁₀)(OH)₂
Si	ⓘ Quartz	SiO₂
Si	ⓘ Titanite	CaTi(SiO₄)O
Si	ⓘ Zircon	Zr(SiO₄)
Si	ⓘ Chevkinite-(Ce)	Ce₄(Ti,Fe²⁺,Fe³⁺)₅O₈(Si₂O₇)₂
Si	ⓘ Hornblende Root Name Group	◻Ca₂(Z₄²⁺Z³⁺)(AlSi₇O₂₂)(OH,F,Cl)₂
Si	ⓘ Garnet Group	X₃Z₂(SiO₄)₃
Si	ⓘ Allanite Group	(A1²⁺REE³⁺)(M1³⁺M2³⁺M3²⁺)O[Si₂O₇][SiO₄](OH)
P	Phosphorus
P	ⓘ Fluorapatite	Ca₅(PO₄)₃F
P	ⓘ Monazite	REE(PO₄)
P	ⓘ Monazite-(Ce)	Ce(PO₄)
P	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
S	Sulfur
S	ⓘ Baryte	BaSO₄
S	ⓘ Celestine	SrSO₄
Cl	Chlorine
Cl	ⓘ Hornblende Root Name Group	◻Ca₂(Z₄²⁺Z³⁺)(AlSi₇O₂₂)(OH,F,Cl)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	ⓘ Orthoclase	K(AlSi₃O₈)
K	ⓘ Phlogopite	KMg₃(AlSi₃O₁₀)(OH)₂
Ca	Calcium
Ca	ⓘ Allanite-(Ce)	(CaCe)(AlAlFe²⁺)O[Si₂O₇][SiO₄](OH)
Ca	ⓘ Ankerite	Ca(Fe²⁺,Mg)(CO₃)₂
Ca	ⓘ Calcite	CaCO₃
Ca	ⓘ Diopside	CaMgSi₂O₆
Ca	ⓘ Fluorapatite	Ca₅(PO₄)₃F
Ca	ⓘ Titanite	CaTi(SiO₄)O
Ca	ⓘ Hornblende Root Name Group	◻Ca₂(Z₄²⁺Z³⁺)(AlSi₇O₂₂)(OH,F,Cl)₂
Ca	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
Ti	Titanium
Ti	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Ti	ⓘ Titanite	CaTi(SiO₄)O
Ti	ⓘ Chevkinite-(Ce)	Ce₄(Ti,Fe²⁺,Fe³⁺)₅O₈(Si₂O₇)₂
Fe	Iron
Fe	ⓘ Aegirine	NaFe³⁺Si₂O₆
Fe	ⓘ Allanite-(Ce)	(CaCe)(AlAlFe²⁺)O[Si₂O₇][SiO₄](OH)
Fe	ⓘ Ankerite	Ca(Fe²⁺,Mg)(CO₃)₂
Fe	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Fe	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
Fe	ⓘ Siderite	FeCO₃
Fe	ⓘ Chevkinite-(Ce)	Ce₄(Ti,Fe²⁺,Fe³⁺)₅O₈(Si₂O₇)₂
Sr	Strontium
Sr	ⓘ Celestine	SrSO₄
Sr	ⓘ Strontianite	SrCO₃
Zr	Zirconium
Zr	ⓘ Zircon	Zr(SiO₄)
Nb	Niobium
Nb	ⓘ Pyrochlore Group	A₂Nb₂(O,OH)₆Z
Ba	Barium
Ba	ⓘ Baryte	BaSO₄
Ce	Cerium
Ce	ⓘ Allanite-(Ce)	(CaCe)(AlAlFe²⁺)O[Si₂O₇][SiO₄](OH)
Ce	ⓘ Cerianite-(Ce)	(Ce⁴⁺,Th)O₂
Ce	ⓘ Monazite-(Ce)	Ce(PO₄)
Ce	ⓘ Chevkinite-(Ce)	Ce₄(Ti,Fe²⁺,Fe³⁺)₅O₈(Si₂O₇)₂
Th	Thorium
Th	ⓘ Cerianite-(Ce)	(Ce⁴⁺,Th)O₂

Geochronology

Mineralization age: Neoproterozoic : 771 ± 22 Ma to 599 ± 16 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

ⓘ Phlogopite (youngest age)

599 ± 16 Ma

Tonian

ⓘ Phlogopite (oldest age)

771 ± 22 Ma

Other Regions, Features and Areas containing this locality

AsiaContinent

Indian Plate (India Plate)Tectonic Plate

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References

Rao, C. S., Das, G. N., Setty, B. K., & Perumal, N. V. A. S. (1978). Radioactive Carbonatites of Pakkanadu and Mulakkadu, Salem District, Tamil Nadu. Geological Society of India, 19(2), 53-63.

Woolley A.R. (2019) Alkaline Rocks and Carbonatites of the World. Part 4: Antarctica, Asia and Europe, p.114

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Pakkanadu, Sankari Taluka, Salem District, Tamil Nadu, IndiaiRegional Level TypesPakkanaduGroup of Intrusions Sankari TalukaSubdistrict Salem DistrictDistrict Tamil NaduState IndiaCountry function showexplain() { $("#locexplain").toggle(); if (typeof movemap === "function") movemap(); }

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Pakkanadu, Sankari Taluka, Salem District, Tamil Nadu, India i
Regional Level Types
Pakkanadu Group of Intrusions
Sankari Taluka Subdistrict
Salem District District
Tamil Nadu State
India Country