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  In the period from June 15 to June 27, MTS group consisting of 3 teams carried out detailing work on the profile "Boom", located near Zholbulak village of Kemin district. Teams number 1 and number 3 conducted magnetotelluric sounding (MTS). At 8 points of the profile the duration of MT field registration in the MTS mode at each observation point was 16-20 hours, in the audio mode (AMTS) at each site was 25-30 minutes and one site FT9 in deep mode (DMTS), where the duration of observations was 240 hours. The work was carried out using Phoenix MTU-5 and MTU-5A measuring complexes in the normal registration mode. The start of the work was preceded by calibrations of recorders and sensors of MT stations. At all observation points the control recording of at least 40 minutes was preceded by a check recording to assess the level of interference and adjust the registration parameters. The electric components of the magnetic field were measured using measuring units with electric dipoles 50 m long. The magnetic field components were measured using induction coil sensors MTC-50 and AMTC-30. At all sounding points, grounding of the dipoles was performed using non-polarizing electrodes, at 9 observation points including the DMTS point, grounding of the dipoles was performed according to the "sensor to sensor" principle with the previous observations carried out in 2020 and 2021. The orientations of measuring units at these points completely repeated the previous deployments.

IMG boom

  Team No.2 were carried out works on the profile "Boom" by methods of electric tomography and evoked polarization with the help of multi-electrode station "Skala 48". Registration of data on the profile was performed by two types of unit: "Schlumberger" and "Wenner". The station operating was carried out using two multi-electrode cables, the length of each connecting cable is 120 meters, installation of electrodes was carried out with a step of 5 meters, the total number of electrodes when deploying two connecting cables is 48 pieces. The length of the work site was 3555 meters; registration was carried out in 29 basic observation points. After completion of the main works on the profile, in the area of points FT9 (DMTS) - FT8 (MTS) were carried out repeated 24-hour monitoring in the quantity of 36 registrations, duration of each 39-40 minutes by methods of electric tomography and evoked polarization using "Schlumberger" installation.

 

Photogallery

Geographic location

40 km. from Bishkek