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Paper Details

Study of Dielectric Constant and Dielectric Loss of some Igneous Rocks at Frequencies in X - band under Ambient Atmospheric Conditions

P. R. Chaudhari and D. V. Ahire

Journal Title:Journal of Chemical, Biological and physical sciences

Microwave remote sensing of rock requires the study of dielectric parameters like dielectric constant and dielectric loss of rocks. In this paper dielectric constant of five igneous rock samples Rhyolite, Granite, Tholeiite Basalt, Dolerite Dyke, Basalt Ferro have been measured at three microwave frequencies 9.32 GHz, 9.72 GHz and 10.25 GHz of Xband by using waveguide cell method, under ambient atmospheric conditions. Dielectric loss was then calculated from dielectric constant for all rock samples. The result shows that the dielectric constant of igneous rocks under ambient atmospheric conditions decreases with increase in frequency. Loss factor for basic rock samples are greater than that for acidic rock samples at a fixed frequency.