naa a22 4500 510756530 CHVBK 20180411083124.0 cr unu---uuuuu 180411e20131001xx s 000 0 eng 10.1007/s12594-013-0157-9 doi (NATIONALLICENCE)springer-10.1007/s12594-013-0157-9 Discovery of lamproites near Vattikod Area, NW margin of the Cuddapah basin, Eastern Dharwar craton, southern India [Elektronische Daten] [Alok Kumar, Suhel Ahmed, R. Priya, M. Sridhar] A cluster of lamproite dykes are located 1 km west of Vattikod village at the NW margin of the Cuddapah basin, Eastern Dharwar craton, southern India, during the pursuit for locating primary diamond source rocks by adapting multifarious applications. These exotic rocks are emplaced along WNW-ESE to NW-SE trending fractures in the granitic rocks belonging to the Peninsular Gneissic Complex. Ten out of twelve lamproites occur near Vattikod village and one each is located in the vicinity of Marepalli and Gundrapalli villages respectively. These lamproites, though highly altered, contain microphenocrysts of altered olivine, clinopyroxene, phlogopite, leucite and sanidine and translucent to opaque, amoeboid shaped patches of glass set in a groundmass rich in carbonate, phlogopite, serpentine, and chlorite. This new cluster of lamproites constitutes a part of the recently discovered Ramadugu lamproite field. The Vattikod and Ramadugu lamproites, together with those from Krishna lamproite field and the Cuddapah basin, constitute, a wide spectrum of ultrapotassic magmatism emplaced in and around the Palaeo-Mesoproterozoic Cuddapah basin in southern India. Geological Society of India, 2013 Lamproite nationallicence Vattikod nationallicence Cuddapah basin nationallicence Eastern Dharwar craton nationallicence southern India nationallicence Kumar Alok Project: Diamond, State Unit: Andhra Pradesh, Geological Survey of India, Southern Region, 500 068, Hyderabad, India aut Ahmed Suhel Project: Diamond, State Unit: Andhra Pradesh, Geological Survey of India, Southern Region, 500 068, Hyderabad, India aut Priya R. Project: Diamond, State Unit: Andhra Pradesh, Geological Survey of India, Southern Region, 500 068, Hyderabad, India aut Sridhar M. Project: Diamond, State Unit: Andhra Pradesh, Geological Survey of India, Southern Region, 500 068, Hyderabad, India aut Journal of the Geological Society of India Springer India 82/4(2013-10-01), 307-312 0016-7622 82:4<307 2013 82 12594 https://doi.org/10.1007/s12594-013-0157-9 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s12594-013-0157-9 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Kumar Alok Project: Diamond, State Unit: Andhra Pradesh, Geological Survey of India, Southern Region, 500 068, Hyderabad, India aut NATIONALLICENCE 700 1- Ahmed Suhel Project: Diamond, State Unit: Andhra Pradesh, Geological Survey of India, Southern Region, 500 068, Hyderabad, India aut NATIONALLICENCE 700 1- Priya R. Project: Diamond, State Unit: Andhra Pradesh, Geological Survey of India, Southern Region, 500 068, Hyderabad, India aut NATIONALLICENCE 700 1- Sridhar M. Project: Diamond, State Unit: Andhra Pradesh, Geological Survey of India, Southern Region, 500 068, Hyderabad, India aut NATIONALLICENCE 773 0- Journal of the Geological Society of India Springer India 82/4(2013-10-01), 307-312 0016-7622 82:4<307 2013 82 12594 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer