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Nepheline-syenite from
Pikkili, Dharmapuri district, Tamil Nadu, India


Locality type:Occurrence
Classification
Type:Nepheline-syenite
Age information
Maximum recorded age:2376 ± 36 Ma
Minimum recorded age:2340 ± 130 Ma
Sample ages:
Recorded ageGeologic TimeSampleDating method
12340 ± 130 MaSiderian - Sm-Nd whole rock isochron
22376 ± 36 MaSiderian - Rb-Sr whole rock isochron
Sample references:
1 -
Kumar, A., Charan, S. N., Gopalan, K., & Macdougall, J. D. (1998). A long-lived enriched mantle source for two Proterozoic carbonatite complexes from Tamil Nadu, southern India. Geochimica et Cosmochimica Acta, 62(3), 515-523.
2 -
Kumar, A., Charan, S. N., Gopalan, K., & Macdougall, J. D. (1998). A long-lived enriched mantle source for two Proterozoic carbonatite complexes from Tamil Nadu, southern India. Geochimica et Cosmochimica Acta, 62(3), 515-523.
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Nepheline-syenite data
Locality Data:Click here to view Pikkili, Dharmapuri district, Tamil Nadu, India
Data Identifiers
Mindat Occurrence Record ID:1335593
Long-form Identifier:1:3:1335593:7
GUID (UUID V4):0
Nearest other occurrences of Nepheline-syenite
49.5km (30.7 miles) ⓘSamalpatti carbonatite complex, Krishnagiri District, Tamil Nadu, India
References
Ramanathan, S. & Navaneethakrishnan, C. (1982). Theralites around Pikkili, Dharmapuri district, Tamil Nadu. Journal of the Geological Survey of India, 23, 199-200.
 
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