Browsing Scholarly literature by Author "Rajamanickam, G.V."
Now showing items 21-40 of 48
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Heavy mineral distribution in the beaches of Nagapattinam District, Tamilnadu, India
Angusamy, N.; Manickaraj, D.S.; Chandrasekaran, R.; Chandrasekar, N.; Loveson, V.J.; Gujar, A.R.; Rajamanickam, G.V. (Allied, India, 2005)Heavy mineral studies were undertaken systematically along the coastal region from Poompuhar to Nagoor, Tamil Nadu, India. Heavy mineral studies by different size grades show a similar trend of concentration from +70 to ... -
Heavy mineral suite in the shelf sediments off Madras coast
Setty, M.G.A.P.; Rajamanickam, G.V. (Indian Geophysical Union, 1972)The heavy mineral suite of the shelf sediments of this area (12~'00': 13~'05'N and 80~'00': 80~'36'E), are characterised by a dominant group of minerals such as hornblende, augite, hypersthene, garnet and opaque minerals; ... -
Holocene marine transgression as interpreted from bathymetry and sand grain size parameters off Gopalpur
Rao, K.M.; Rajamanickam, G.V.; Rao, T.C.S. (Indian Academy of Sciences, Bangalore, 1989)Grain size statistical parameters of the surface sediment samples collected from the innershelf off Gopalpur were calculated using graphic and moment methods. Fine-grained sand present up to 15 m water depth shows symmetrical ... -
Ilmenite placer deposits in the bays of Jaigad, Ambwah and Varvada, Maharashtra, India
Rajamanickam, G.V.; Varma, O.P.; Gujar, A.R. (Geological Survey and Mines Bureau, Dehiwala, Sri Lanka, 1997)Growing demand for ilmenite owing to very limited resources of rutile and technological advancements in the industrial utilisation of ilmenite in place of rutile have excited interest in large-scale exploration for ilmenite ... -
Inference of coastal submergence from the study of beach rock off Visakhapatnam
Rajamanickam, G.V.; Rao, K.M.; Rao, T.C.S. (Tamil Univ., 1990) -
Influence of geomorphological and tectonic control in the mineralization of the western shelf of India
Rajamanickam, G.V.; Wagle, B.G.; Gujar, A.R. (S.R. Rawat Publ., New Delhi, 1994)The west coast of India has two kinds of coastal rocks predominantly of Deccan basalts in the north and granitic and gneissic in the south, each similar in bulk composition. It is indeed peculiar to notice only two types ... -
Isotopic studies of beach rock carbonates from Konkan, central west coast of India
Kumar, B.; Rajamanickam, G.V.; Gujar, A.R. (New Academic Publishers, Delhi, 2001)The beach rock carbonates from the 200 km long stretch from Guhagar in the north to Deogad in the south along the Konkan coast (Maharashtra, India) are studied for sup(14)C dating and sup(13)C : sup(12)C and sup(18)O : ... -
Marine placer mineral exploration - a case study
Rajamanickam, G.V.; Gujar, A.R.; Ramana, M.V. (Anna University, India, 1990) -
Model simulation of storm surge potential for Andaman islands
Kumar, V.S.; RameshBabu, V.; Babu, M.T.; Dhinakaran, G.; Rajamanickam, G.V. (Indian Geological Congress, 2010)The Andaman Islands face the surge disaster threat as their north-south orientation comes across the eastward path of severe cyclones moving from the Andaman sea known for the genesis of many severe cyclones that traverse ... -
Morphological and interlayer geochemical studies on manganese nodules from the southwestern Carlsberg ridge
Valsangkar, A.B.; Rajamanickam, G.V.; Karisiddaiah, S.M.; Siddiquie, H.N. (Elsevier, 1988)Mixed facies of manganese nodules from the southwestern Carlberg Ridge have been analysed for Mn, Fe, Ni, Cu, Co and Zn. Seventy one analyses including the averages presented for outer layer, inner layer and near-core ... -
Observed inferences from sudden changes in the sedimentological processes during the December 26, 2004 tsunami along the east coast of India
Loveson, V.J.; Angusamy, N.; Gujar, A.R.; Chandrasekar, N.; Rajamanickam, G.V. (Tsunami Society, 2008)In connection with observations made on the impact of beach placer mining, a study area extending from Poompuhar to Nagoor, in Tamil Nadu, had been chosen for regular profiling and sediment sampling since April 2003. The ... -
Offshore ilmenite placers of Ratnagiri, Konkan coast, Maharashtra, India
Siddiquie, H.N.; Rajamanickam, G.V.; Almeida, F. (1979) -
Partition patterns of iron in the recent sediments of the northern half of the western continental shelf of India
Rao, Ch.M.; Rajamanickam, G.V.; Murty, P.S.N.; Reddy, C.V.G. (CSIR-NISCAIR, 1976) -
Pore water chemistry in the beach sands of central Tamil Nadu, India
Chandrasekar, N.; Gujar, A.R.; Loveson, V.J.; Rajamanickam, G.V.; Moscow, S.; Manickaraj, D.S.; Chandrasekaran, R.; Chaturvedi, S.K.; Mahesh, R.; Sudha, V.; Josephine, P.J.; Deepa, V. (Macmillan, India, 2007)As the pore water chemistry- has been considered as one of the prominent base parameters to infer the impact of coastal mining in introducing environmental deterioration, a study in pore water chemistry is planned here ... -
Post tsunami rebuilding of beaches and the texture of sediments
Loveson, V.J.; Gujar, A.R.; Rajamanickam, G.V.; Chandrasekar, N.; Manickaraj, D.S.; Chandrasekaran, R.; Chaturvedi, S.K.; Mahesh, R.; Josephine, P.J.; Deepa, V.; Sudha, V.; Sunderasen, D. (Macmillan, India, 2007)Under CS1R-CMRI Network Programme of Coastal Placer Mining beach sand samples have been collected along the Poompuhar-Nagoor beaches of Central Tamil Nadu, India. Representative samples of 2003, 2005 and 2006 have been ... -
Provenance signature of pre-cambrian and mesozoic rocks in the nearshore placers of Konkan, central west coast of India
Gujar, A.R.; Angusamy, N.; Rajamanickam, G.V. (Taylor & Francis, 2009)Heavy mineral studies of the nearshore placer deposits of the Konkan Coast reveal a dominant assemblage comprised of garnet and kyanite along with other accessory minerals like epidote, olivine and rutile. The heavy mineral ... -
Sediment depositional environment in some bays in Central west coast of India
Rajamanickam, G.V.; Gujar, A.R. (CSIR-NISCAIR, 1984)Sediments in Kalbadevi and Mirya Bays are well sorted while those in Ratnagiri Bay are poorly sorted. Mean size of the sediments varies among the bays. Sediments in Kalbadevi Bay are both positively and negatively skewed ... -
Shallow seismic studies on the inner continental shelf off selected bays, Central West coast of India
Ramana, M.V.; Gujar, A.R.; Rajamanickam, G.V. (Elsevier, 1990) -
Shoreline configurations control on the concentration of nearshore heavy minerals: A case study from Konkan-Maharashtra, central west coast of India
Gujar, A.R.; Rajamanickam, G.V.; Wagle, B.G. (New Academic Publishers, Delhi, 2001)The geological and geophysical exploration in the nearshore areas between 3 and 19 m water depth, in four bays viz., Wada-Vetye, Ambolgarh, Rajapur and Vijaydurg along the Konkan Coast - central west coast of India (16 ... -
Source rock indication from the heavy mineral weight percentages, central Tamil Nadu, India
Rajamanickam, G.V.; Chandrasekaran, R.; Manickaraj, D.S.; Gujar, A.R.; Loveson, V.J.; Chaturvedi, S.K.; Chandrasekar, N.; Mahesh, R. (Macmillan, India, 2007)From December 2003 to December 2005 beach sand samples have been collected at regular intervals. During this period the event of 26th December, 2004 tsunami enabled us to analyze the impact of the same in the beach sediments ...