OMANA, P. K

SANTOSH, M. ; OMANA, P. K. & MASARU YOSHIDA(1990). Gold grains in laterite weathering profiles of Nilambur,South India and a model for the genesis of supergene gold deposits. JL. Minerology Petrology Economic Geology, 85: 416-423.

OMANA, P. K & SANTHOSH, M. (1991) Morphology gold grains in laterite profiles of Nilambur, Kerala: Implication for the genesis of supergene gold deposits. JL. Geological Society of India, 37 : 560- 568.

SANTOSH, M. & OMANA, P. K.(1991). Very high purity gold from lateritic weathering profiles of Nilambur, Southern India. Geology ,19 : 746-749.

SANTOSH, M. ; OMANA, P. K. ; MATHEW, K. JACOB ; RAJU PHILIP ; MIONO,S. ; ONO,H. ; & YOSHIDA(1991). Proton-induced X-ray emission analysis of gold grains from laterites: evidence for the formation of extreme fineness gold by natural chemical processes during weathering. Current Science, 61(8): 534 -537.

SANTOSH, M. ; PHILIP, R. ; JACOB, M. K. & OMANA, P. K.(1992). Highly pure placer gold formation in the Nilambur valley, Wynad Gold Field, southern India. Mineral. Deposita, 27 : 336- 339.

OMANA, P. K.(1994). The formulation of high purity gold in nature : A comprehensive case study. Proceedings of Kerala Science Congress, Thiruvananthapuram :4-6.

OMANA, P. K.(1994). The geochemistry of the gold bearing laterite profiles in Nilambur, Kerala. Proceedings of Kerala Science Congress, Thiruvananthapuram :39-40.

OMANA, P. K.(1994). Gold in laterites : A challenging prospect in Gondwana terrains. Proceedings of IX International Symposium on Gondwana Geology, Geophysics & Mineral Resources, Hyderabad

OMANA, P. K. & SANTHOSH, M.(1995). Use of grain morphology and chemistry in gold exploration. Proceedings of 7th Kerala Science Congress : 42-43.

OMANA, P. K. & SANTHOSH, M.(1995). Gold in laterites : Challenging prospect in the Gondwana Terrains, India as a fragment of East Gondwana. Gondwana Research Group Memoir 2, Field Science Publishers, Osaka : 159-168.

OMANA, P. K. & SANTHOSH, M.(1996). Supergene and placer gold in Wayanad, southern India. Proceedings of IGCP-368 international Field workshop on Proterozoic Continental Crust of Southern India, Gndwana Res.Group Misc. Publications,No.4,Field Science Publications, Osaka :104.

OMANA, P. K. & SANTHOSH, M.(1996). Laterite profile geochemistry in outlining supergene gold deposits: a case study from Nilambur, Kerala. JL. Geological Society of India, 48 : 139-150.

OMANA, P. K & SANTHOSH, M.(1998). Gold in laterites: Combined field and laboratory experimental investigations on the dissolution and precipitation mechanisms. Indian Minerologist, 32 : 61-62.

OMANA, P. K. & SANTHOSH, M.(1999). High purity natural gold in latrines andstream gravels of Wyanad, Kerala. Proceedings of the 9th Swadeshi Science Congress : 1-2.

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OUSEPH, P. P

OUSEPH, P. P.(1992). Dissolved and particulate trace metals in the Cochin estuary. Marine Pollution Bulletin, 24(4) : 181-192

OUSEPH, P. P.(1995). Semi - diurnal variations of dissolved tracemetals in the Cochin harbour region. Proceedings of VII Kerala Science Congress : 120-120.

OUSEPH, P. P. (1995). Dissolved copper zinc, cadmium and lead in the Cochin Harbour during a tidal cycle. Pollution Research, 14(4) : 403-410.

OUSEPH, P. P. (1995). Environmental quality along south west coast of India. Proccedings of National Symposium on Electro-chemistry in the Marine Environment :53-57.

MEENA BALAKRISHNAN & OUSEPH, P. P.(1995). HCH concentration in sediments and fishes along the coast of Kerala. Proceedings of VII Kerala Science Congress : 84-86.

MAHAMAYA CHATTOPADHYAY ; SAKUNTHALA, C. ; OUSEPH, P. P. & SOMAN, K.(1996). Basin approach in pollution mitigation measures: A case study on Killiar, Trivandrum district. Proccedings of the VIII Kerala Science Congress : 87-88.

MAHAMAYA CHATTOPADHYAY ; SOMAN, K. ; OUSEPH, P. P. & SAKUNTHALA, C.(1996). Application of GIS in reverine pollution monitoring-A case study on KilliAr basin, South Kerala. Indian Cartographer, 16 : 221-225.

RAMALINGOM PILLAI, A. ; OUSEPH, P. P. ; RAMACHANDRAN, K.K. & PRASAD RAO,T.(1996). Spetro-photometer determination of trace amounts of platinum with Thiocyanate and Rhodamine 6G. Chemical Analysis, 42 : 787-791.

OUSEPH, P. P. (1997). Mercury, copper, zinc, cadmium, lead and Chromium in the sediment of Kochi estuary. Proceedings of International Conference on Environmental Science, Thiruvananthapuram, Advances in Environmental Sciences. Educational Book Publishers and Distributors : 215-223.

OUSEPH, P. P. (1997). Status paper on marine pollution along the Southern Kerala Coast. Proceedings of II Indian National Conference on Harbour &Ocean Engineering, Thiruvananthapuram : 622-630.

OUSEPH, P. P. ; MANIKANTAN, A. ; RAMALINGOM PILLAI, A. & ANILKUMAR, N.C. (1997). Environmental quality of Lakshadweep sea. Proceedings of IX Kerala Science Congress : 113-114.

OUSEPH, P. P. ; ANILKUMAR, N.C. ; MADHUSOODHANAN PILLAI & SATHEESHKUMAR(1997). Semidurnal distribution of water quality and microbial population of Minicoy Lagoon,Lakshadweep. PROCEEDINGS OF X KERALA SCIENCE CONGRESS : 55 -56.

ANILKUMAR, N. C. ; BIJUMON, K.B. ; SATHEESHKUMAR, C. S. & OUSEPH, P. P.(1997). Water quality and microbial population of the Kavaratti Lagoon, Lakshadweep sea. Proceedings of the IX Kerala Science Congress, Trivandrum :401-402.

ANILKUMAR, N. C. ; BIJUMON, K.B. ; JEENI, B. & OUSEPH, P. P.(1997). Ecology of Lakshadweep sea: A case study of Androth island, Proceedigs of X Kerala science Congress : 394-395.

BIJUMON, K. B. ; ANIL KUMAR, N. C. ; RAMALINGOM PILLAI, A. & OUSEPH, P. P.(1997). Distribution and composition of plankton along south west coast of India. Proceedings of the IX Science Congress, Trivandrum : 402.

RAMALINGOM PILLAI, A. ; OUSEPH, P. P. ; RAMACHANDRAN, K.K. & PRASAD RAO,T.(1997). Spetro-photometer determination of Palladium using Thiocyanate and Rhodamine 6G. Chemical Analysis, 42 : 75-78.

RAMALINGOM PILLAI, A. ; OUSEPH, P. P. & RAMACHANDRAN, K.K.(1997). Spetro-photometer determination of Palladium II using Iodide and Rhodamine 6G. Indian Journal of Chemistry, 36A : 342-343.

RAMALINGOM PILLAI, A. ;OUSEPH, P. P.. & RAMACHANDRAN, K.K.(1997). Spectrophotometric determination of trace amounts of Platinum (IV) with iodide and rhodamine 6G. Indiaan Journal of Chemistry, 36(A), 1103-1105.

BIJUMON, K.B. ; MADHUSOODHANAN PILLAI, G. & OUSEPH, P. P.(1998). Environmental degradation of marine ecosystem at Veli due to the discharge of TTP effluents along the south west coast of India. Proceedings of X Kerala Science Congress : 384-386.

BIJUMON, K.B. ; MADHUSOODHANAN PILLAI, G. ; ANIL KUMAR , N.C. & OUSEPH, P. P.(1999). Primary production, chlorophylla, and related hydrography of Lakshadweep sea. Proceedings of the XI Kerala Science Congress : 315-318.

BIJUMON, K.B. ; ROBIN, R.S. ; SUNIL KUMAR , S. & OUSEPH, P. P.(2000). Effect of a factory effluent on the biological productivity of coastal marine system in Veli, Thiruvananthapuram. Proceedings of the XII Kerala Science Congress (Ed.M.R. Das),STEC, Thiruvananthapuram : 592-594.

MADHUSOODHANAN PILLAI, G. ; MEENA ROY,S. ; SATHEESHKUMAR,C.S. & OUSEPH, P. P.(1997). Effect of TTP effluent on microbial population along south west coast of India. Proceedings of the IX Kerala Science Congress, Trivandrum : 400-401.

SOMAN, K. ; CHATTOPADHYAY, M. & OUSEPH, P. P.(1997). Status of reverine pollution in south Kerala and its relation to physiography and landuse. Proceedings of IX Kerala Science Congress : 93-95.

SOMAN, K. ; CHATTOPADHYAY, M. & OUSEPH, P. P.(1997). Status of riverine pollution in south Kerala and its relation to physiography and landuse. Proceedings of IX Kerala Science Congress : 93-95.

MADHUSOODHANAN PILLAI, G. ; BIJUMON, K.B. ; SATHEESHKUMAR, C.S. & OUSEPH, P. P.(1998). Assessment of indicator microbial population in relation to few posible human pathogens in surface waters along southwest coast of India. Proceedings of the X Kerala Science Congress,: 205-207.

MADHUSOODHANAN PILLAI, G. ; BIJUMON, K.B. & OUSEPH, P. P.(1998). Assessment of Chemical and Bacteriological quality of drinking water in Kadamat island-Lakshadweep. Proceedings of the XI Kerala Science Congress : 1-3.

RAMALINGOM PILLAI, A. ;OUSEPH, P. P. & RAMACHANDRAN, K.K.(1998). Spectrophotometric determination of trace amounts of Palladium (II)using iodide and rhodamine 6G. Indiaan Journal of Chemistry, 36(A), 342-343.

MADHUSOODHANAN PILLAI, G. &OUSEPH, P. P.(2000). Water quality management in wells - a case study. Proceedings of the XII Kerala Science Congress (Ed.M.R. Das),STEC, Thiruvananthapuram : 17-22.

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