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Geoelectric structure in the Andaman Islands using magnetotelluric studies

Gokarn, S.G.; Gupta, Gautam; Dutta, Shipra; Hazarika, Nitu (2006)

Magnetotelluric studies over the Middle Andaman islands have delineated a NNE-SSW trending suture, along which the Andaman flysch and the underlying Igneous crust subduct eastwards along a high angle thrust with a dip angle ...

Electrical conductivity structure beneath Laccadive ridge

Subbarao, P.B.V.; Arora, B.R.; Singh, A.K. (2005)

Fluvial influx and weathering history of the Himalayas since Last Glacial Maxima - Isotopic, sedimentological and magnetic records from the Bay of Bengal

Chauhan, O.S.; Patil, S.K.; Suneethi, J. (2004)

From temporal variations in stable isotopes, mineral magnetism, clay minerals and granulometric parameters from a sup(14) C dated core have been used to understand weathering history and influence of climate on the terrigenous ...

Crustal structure of Narmada-Son Lineament: An aeromagnetic perspective

Anand, S.P.; Rajaram, M. (2004)

Aeromagnetic data analysis over the Narmada-Son Lineament (NSL) shows that prominent anomalies are located over dyke swarms and trap flows and the major formations present have distinct magnetic signatures. A major extensive ...

Electromagnetic imaging of magma across the Narmada Son lineament, central India

Rao, C.K.; Ogawa, Y.; Gokarn, S.G.; Gupta, Gautam (2004)

Wide band magnetotelluric (MT) studies were undertaken over a 130 km long, approximately north-south profile in central India across the Narmada Son lineament (NSL) that runs through Indian peninsula in ENE-WSW direction ...

Use of magnetic susceptibility for identification of mangrove deposits in vibrcores from deltaic environments

Seetharamaiah, J.; Basavaiah, N.; Chakraborty, S.; Rao, K.Nageswara; Khadkikar, A.S. (2004)

The most commonly used technique for retrieving sediments from modern mangroves is through the use of vibracoring equipment. The retrieved cores are small in diameter; hence conventional methods of fewer analyses are limited ...

Characterization of flood plain and climate change using multi-proxy records from the Mahi River Basin, Mainland Gujarat

Sant, D.A.; Krishnan, K.; Rangarajan, G.; Basavaiah, N.; Pandya, C.; Sharma, M.; Trivedi, Y. (2004)

Sedimentary succession at Bhimpura from the lower reaches of Mahi flood plain (situated in western India) is characterized using parameters such as grain size, magnetic susceptibility, carbonates, ferri-magnetic and other ...

Micropaleontology and Mineral magnetic evidences of the Holocene mudflats of Navlakhi, Gulf of Kachchh

Rajshekhar, C.; Gawali, P.B.; Mudgal, T.R.; Reddy, P.P.; Basavaiah, N. (2004)

A combination of foraminiferal and mineral magnetic analyses has been used to reconstruct the depositional environment of the clays from a 3.5 m shallow core of the mudflats of Gulf of Kachchh. The overall foraminiferal ...

Late Quarternary climate changes reconstructed from mineral magnetic studies from proglacial lake deposits of Higher Central Himalaya

Basavaiah, N.; Juyal, N.; Pant, R.K.; Yadava, M.G.; Singhvi, A.K.; Appel, E. (2004)

Environmental magnetism and its application towards palaeomonsoon reconstruction

Basavaiah, N.; Khadkikar, A.S. (2004)

Environmental mineral magnetic techniques are designed to measure the response of natural materials to a range of artificially applied magnetic fields. Magnetic measurements are easily and rapidly made in the laboratory ...

Palaeoenvironments around the Harappan Port of Lothal, Gujarat, western India

Khadkikar, A.S.; Basavaiah, N.; Gundurao, T.K .; Rajshekhar, C. (2004)

The palaeogeography and palaeoenvironments around Lothal, a Harappan port town, are reported based on remote sensing, environmental magnetic and Fourier transform infrared spectroscopy studies respectively. The results ...

Late Quaternary geomorphology, palynology and magnetic susceptibility of playas in western margin of the Indian Thar Desert

Deotare, B.C.; Kajale, M.D.; Rajaguru, S.N.; Basavaiah, N. (2004)

Multidisciplinary studies of Bap-Malar and Kanod playas in the arid western margin of the Thar desert have been carried out to understand past climate changes in this region. These studies are well supported by AMS 14 C ...

Effects of galvanic distortions on magnetotelluric data: interpretation and its correction using deep electrical data

Stephen, Jimmy; Gokarn, S.G.; Manoj, C.; Singh, S.B. (2003)

The non-inductive galvanic disturbances due to surficial bodies, lying smaller than high frequency skin depth, cause serious interpretational errors in magnetotelluric data. These frequency independent distortions result ...

Geoelectric structure of the Dharwar Craton from magnetotelluric studies: Archean suture identified along the Chitradurga–Gadag schist belt

Gokarn, S.G.; Gupta, Gautam; Rao, C.K. (2004)

Broad-band magnetotelluric data were collected at 50 stations over a 400 km long, approximately east–west profile over the granite–greenstone terrain of Dharwar, southern India. The tensor decomposed data were interpreted ...

Morphology, mineralogy and magnetic susceptibility of epikarst-Terra Rossa developed in late Quaternary aeolianite deposits of southeastern Saurashtra, India

Khadkikar, Aniruddha S.; Basavaiah, N. (2004)

The nature and development of epikarst and soil development in aeolianites under a monsoonal climatic regime has not yet been described. Late Quaternary aeolianites of the southeastern coast of Saurashtra in western India ...

Spatial and frequency characteristics of equatorial enhancement of geomagnetic field variations

Arora, B.R.; Bhardwaj, S.K. (2003)

The spatial and frequency characteristics of the equatorial enhancement for several period bands from minutes range to Sq harmonics are established using geomagnetic data from upgraded/new networks that were operational ...

Study of aeromagnetic data over part of eastern ghat mobile belt and Bastar craton

Anand, S.P.; Rajaram, M. (2003)

A portion of the aeromagnetic anomaly map of India, from 170 to 200 N and 78o to 84o E has been analysed to understand the tectonics of the region. The distribution of magnetic sources in the study region are clearly brought ...

Local time and longitude dependence of the equatorial electrojet magnetic effects

Doumouya, V.; Cohen, Y.; Arora, B.R.; Yumoto, K. (2003)

An empirical model of the equatorial electrojet (EEJ), including local time and longitude dependence, has been constructed based on the surface magnetic data recorded at 26 stations located in six different longitude sectors ...

Electrical conductivity signatures of plume-lithosphere interactions in the Indian ocean

Arora, B.R.; Subbarao, P.B.V.; Nagar, Vipul (2003)

Multi-platform imaging of lithospheric magnetic anomalies

Rajaram, M. (2003)

The paper highlights the results of the long wavelength magnetic anomalies over the Indian subcontinent as evidenced by data collected from the satellites, available aero and marine magnetic data and ground magnetic data ...

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