1977
DOI: 10.1111/j.1365-2478.1977.tb01203.x
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An Ultrasonic Profiling Investigation on Some Fresh and Weathered Granites of Hyderabad, India*

Abstract: The ultrasonic profiling method of measuring the compressional and shear wave velocities in cylindrical rock samples is extended to measurements in some weathered and fresh granite blocks collected from the Hyderabad (India) region. This possibility of the method provides a means of investigating the elastic properties of the less compact rocks, of which the near‐surface formations are particularly important. In this article the important parts of the ultrasonic profiling instrument developed are described and… Show more

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Cited by 8 publications
(2 citation statements)
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“…Density of the basement rocks in the present study (range from 2600 to 2820 kg m -3 with an average of 2720 kg m -3 ) is significantly lower than the basement rocks of the Killari borehole (range from 2690 to 3060 kg m -3 , with an average of 2819 kg m -3 ) (Tripathi et al, 2012), but slightly higher than the range that is observed for the granitic rocks of the Dharwar Craton (2520-2730 kg m -3 with an average of 2640 kg m -3 ) (Vijaya Raghava et al, 1977), as well as upper crustal granitic/gneissic rocks from different regions of the Indian shield (Ray et al, 2003;Podugu et al, 2017;Chopra et al, 2018Chopra et al, , 2020. These studies yielded two important points: (i) the subsurface basement density is not the same in different parts of the DVP, which as corroborates the results…”
Section: Accepted Articlementioning
confidence: 62%
“…Density of the basement rocks in the present study (range from 2600 to 2820 kg m -3 with an average of 2720 kg m -3 ) is significantly lower than the basement rocks of the Killari borehole (range from 2690 to 3060 kg m -3 , with an average of 2819 kg m -3 ) (Tripathi et al, 2012), but slightly higher than the range that is observed for the granitic rocks of the Dharwar Craton (2520-2730 kg m -3 with an average of 2640 kg m -3 ) (Vijaya Raghava et al, 1977), as well as upper crustal granitic/gneissic rocks from different regions of the Indian shield (Ray et al, 2003;Podugu et al, 2017;Chopra et al, 2018Chopra et al, , 2020. These studies yielded two important points: (i) the subsurface basement density is not the same in different parts of the DVP, which as corroborates the results…”
Section: Accepted Articlementioning
confidence: 62%
“…Inferences about the condition of the subsurface lithology are made from the velocity gradient of the tomographic section. The geological field data of the study Journal of Geoscience and Environment Protection area coupled with the velocity gradient from the tomographic inversion as stated by Raghava et al [61] aided in the interpretation of the tomographic sections as shown in Table 2. The velocity models are shown in shades of different colours between pink (low 0.30 km/s) and blue (high 3.0 km/s).…”
Section: Results Of Seismic Refraction Tomography For Domeabramentioning
confidence: 99%