The Koyna-Warna seismogenic region overlying the Deccan volcanic province of Western India has been experiencing the recurrence of earthquakes since 1967 soon after the impoundment of the Koyna Dam.A large number of s...The Koyna-Warna seismogenic region overlying the Deccan volcanic province of Western India has been experiencing the recurrence of earthquakes since 1967 soon after the impoundment of the Koyna Dam.A large number of small to medium-magnitude shallow focus earthquakes(>100,000)have been detected in this intraplate region during the last six decades.In the present study,the core samples recovered from the borehole‘KBH3’drilled upto 1134 m depth in the pre-Deccan granitoids basement rocks of this region have been subjected to mineralogical and geochemical studies.展开更多
The Koyna region of Maharashtra located in the western part of the~65 Myr old Deccan traps province,overlying the Neoarchean cratonic granitoid basement of peninsular India,has been experiencing recurring seismicity s...The Koyna region of Maharashtra located in the western part of the~65 Myr old Deccan traps province,overlying the Neoarchean cratonic granitoid basement of peninsular India,has been experiencing recurring seismicity since 1962 after the impoundment of the Shivajisagar Reservoir behind the Koyna Dam.展开更多
基金the Ministry of Earth Sciences,Govt of India,for the financial support[MoES/P.O.(Seismo)/1(374)/2019]and Dr.Sukanta Roy,Project Director,MoES-BGRL,Karad,for providing samples.
文摘The Koyna-Warna seismogenic region overlying the Deccan volcanic province of Western India has been experiencing the recurrence of earthquakes since 1967 soon after the impoundment of the Koyna Dam.A large number of small to medium-magnitude shallow focus earthquakes(>100,000)have been detected in this intraplate region during the last six decades.In the present study,the core samples recovered from the borehole‘KBH3’drilled upto 1134 m depth in the pre-Deccan granitoids basement rocks of this region have been subjected to mineralogical and geochemical studies.
基金conducted under the project sponsored by the Ministry of Earth Sciences,Govt.of India[Project Code-Mo ES/P.O.(Seismo)/1(374)/2019]
文摘The Koyna region of Maharashtra located in the western part of the~65 Myr old Deccan traps province,overlying the Neoarchean cratonic granitoid basement of peninsular India,has been experiencing recurring seismicity since 1962 after the impoundment of the Shivajisagar Reservoir behind the Koyna Dam.
