Locality type: Complex Classification Type: Nepheline-syenite Age information Maximum recorded age: 1242 ± 33 Ma Minimum recorded age: 1242 ± 33 Ma Sample ages: Recorded age Geologic Time Sample Dating method 1 1242 ± 33 Ma Ectasian - Rb-Sr whole rock isochron
Sample references: Confirmation Validity: Believed Valid Data Mineral Data: Click here to view Nepheline-syenite data Locality Data: Click here to view Elchuru Complex, Prakasam District, Andhra Pradesh, India Data Identifiers Mindat Occurrence Record ID: 1334719 Long-form Identifier: 1:3:1334719:6 GUID (UUID V4 ): b7e6bf67-176d-4b43-873a-cf3c110ee6e5 Nearest other occurrences of Nepheline-syenite
7.1km (4.4 miles) ⓘ Settupalle pluton, Prakasam District, Andhra Pradesh, India 15.7km (9.8 miles) ⓘ Purimetla, Prakasam District, Andhra Pradesh, India 26.4km (16.4 miles) ⓘ Pasupugallu pluton, Prakasam District, Andhra Pradesh, India 44.9km (27.9 miles) ⓘ Uppalapadu Pluton, Prakasam District, Andhra Pradesh, India
References Year ⬇ Author Title Publisher
Nag, S., Chakravorty, P. S., Smith, T. E., & Huang, C. H. (1984). The petrology and geochemistry of intrusive alkaline rocks of Elchuru, Prakasam District, Andhra Pradesh, India. Geological Journal, 19(1), 57-76. Madhavan, V., Mallikharjuna Rao, J., SUBRAHMANYAM K, K. S., & LEELANANDAM, C. (1989). Bedrock geology of the Elchuru alkaline pluton, Prakasam district, Andhra Pradesh. Geol. Soc. India Memoir, 15, 189-205. Madhavan, V., Mallikharjuna Rao, J., SUBRAHMANYAM K, K. S., & LEELANANDAM, C. (1989). Bedrock geology of the Elchuru alkaline pluton, Prakasam district, Andhra Pradesh. Geol. Soc. India Memoir, 15, 189-205. Madhavan, V., MALLIKHARJUNA, R., Balaram, V., & Kumar, R. (1992). Geochemistry and petrogenesis of lamprophyres and associated dykes from Elchuru, Andhra Pradesh, India. Journal of the Geological Society of India, 40(2), 135-149. Upadhyay, D., Raith, M. M., Mezger, K., & Hammerschmidt, K. (2006). Mesoproterozoic rift-related alkaline magmatism at Elchuru, Prakasam alkaline province, SE India. Lithos, 89(3-4), 447-477. Reference Search (possible matching items) Journal (article/letter/editorial) e suites of the Eastern Ghats Precambrian belt, India I~t~R K. BO~IZ,ASISH K, GHO~HROYANDWOLPGANGCZYGAN ...I~:ks, Data on Rb concentrations in syonites and nepheline syeoites ate not prolific, but invustlSa* tlous ...from 'Larvlk, Norway ~ from .~ome occar. rences of India have hilph KJRb valuos (aveengo 300) compared to ...of ~ ' o u s t~0Cks. Nepl~eline syenite gneisses from Ponutlal and India show an average K/Rb of 510. The ...investigated rocks The Eastern Ghats Precambrlan belt of India is characterised by a nu,~ber of alkaline emplacements