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Which one of the following geophysical methods is most suitable for exploration of possible hydrocarbon-bearing sediments underlying the Deccan Traps? (-Gate geology and geophysics 2014)1 AnswerMatch the mineral deposits (listed in Group 1) with the most appropriate geophysical exploration methods (listed in Group 2): (-Gate Geology and Geophysics 2014)1 AnswerSediments derived exclusively from the Deccan basalt are deposited on a high-energy beach and are lithified under shallow burial conditions. The sedimentary rock formed would be a/an -gate Geology & Geophysics 20171 AnswerA gaseous hydrocarbon-bearing zone can be best identified by a combined analysis of: (-Gate geology and geophysics 2014)1 AnswerA clean, thick and hydrocarbon bearing sandstone bed can be identified through a combination of -gate Geology & Geophysics 20171 AnswerA confined sandy aquifer has a thickness of 10 m and transmissivity of 0.75 m2 per day. Its hydraulic conductivity is _____ m/day. (-Gate geology and geophysics 2014)1 AnswerMetal content (in metric tonnes) of an ore having specific gravity and assay values of 2.86 and 1.49 % respectively in a mining block 40 m long, 30 m wide and with an average thickness of 2.13 m is _______. (-Gate geology and geophysics 2014)1 AnswerIn general, geophysical inverse problems dealing with real data obtained from field measurements are: (-Gate geology and geophysics 2014)1 AnswerThe S-wave velocity of a medium having a Poisson’s ratio and a P-wave velocity of 0.5 and 3 km/s respectively is _______km/s. (-Gate geology and geophysics 2014)1 AnswerIn seismic exploration the dynamite source is generally considered to be a wavelet of-gate Geology & Geophysics 20171 AnswerWhich one of the following can be best explored using electromagnetic method? GATE-Geology and Geophysics-Question-20121 AnswerThe correct chronological order (older to younger) of the following volcanic events is: (-Gate geology and geophysics)1 AnswerDefine i)Magnetic bearing and true bearing ii)Whole circle bearing and reduced bearingiii) Dip and Declination. iv) Traversing v) Isogonic and Agonic lines (Dec 2012, Dec 2011, June - July 2011, June/July 2013. Dec13/Jan 14)?1 Answer Which one of the following logging methods is NOT used to determine porosity? -gate Geology & Geophysics 2017 1 AnswerA geological reconnaissance survey is being carried out using remote sensing multispectral data. Which set of the two band data of the following is most appropriate for mapping limonite bearing zones? (-Gate geology and geophysics 2014)1 AnswerChoose the most appropriate word from the options given below to complete the following sentence. - Gate Geology and Geophysics 2014 (General Aptitude section)1 AnswerSelect the copper ore minerals from the following: (P) Chalcopyrite (Q) Pyrite (R) Pyrrhotite (S) Bornite (T) Sphalerite (U) Chalcocite (-Gate geology and geophysics 2014)1 AnswerThe reflection coefficient at the interface between two layers of resistivities 9 Ωm and 1 Ωm respectively is: (-Gate Geology and Geophysics 2014)1 AnswerThe convolution of two finite length sequences xn = [1, 0, -2] and yn = [1, -1] is: (-Gate geology and geophysics 2014)1 AnswerCirques are formed by: (-Gate geology and geophysics 2014)1 Answer