Local variations of the volume activity of radon over kimberlite pipes of the Arkhangelsk diamondiferous province

Kiselev, G. P.; Yakovlev, Evgeny; Druzhinin, S. I.; Galkin, Anatoly S.

doi:10.1007/s12665-018-7751-5

Cited by 3 publications

(3 citation statements)

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“…These papers demonstrated the prospects of the emanation method in the prediction of kimberlite bodies. For most Arkhangelsk diamondiferous province (ADP)’s pipes, the excess of the background values of radon at the boundary with the enclosing medium was averaged four times (Kiselev et al., 2016). Due to the test nature of the initial work on each pipe of the ADP, only one profile was studied.…”

Section: Methodsmentioning

confidence: 99%

“…However, surface gamma‐spectrometric surveys using highly sensitive detectors have distinguished kimberlite pipes by anomalies of total radioactivity, mainly concentrations of potassium and thorium (Kiselev et al., 2016; Yakovlev, 2017; Danilov et al., 2021). At the same time, anomalies associated with glacial sediments of moraines, as a rule, were distinguished by high concentrations of uranium.…”

Section: Methodsmentioning

confidence: 99%

“…Gamma‐spectrometric studies were carried out using a high‐precision mobile scintillation gamma‐spectrometric complex RS‐700 (Kiselev et al., 2016). The RS‐700 complex has a digital spectrometer (ADS) with a high‐resolution (1024 channels), which allows real‐time measurements of total radioactivity in nGy/h, as well as the separate measurement of the concentration of total uranium (ppm), thorium (ppm) and potassium (wt%).…”

Section: Description Of the Field Measurementsmentioning

confidence: 99%

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Deep structure of the Verkhnetovskaya kimberlite pipe in the Arkhangelsk diamondiferous province according to passive seismic and radiological methods

Данилов

Yakovlev

Afonin

et al. 2022

Geophysical Prospecting

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The exploration of kimberlite pipes is difficult. However, information about their deep structure is necessary for tasks such as prospecting, exploration and development of kimberlite pipes. Therefore, it is necessary to increase the efficiency of deep structure research. In addition, pipes in different territories differ in their properties. The latter requires the study of the peculiarities of the manifestation of pipes in various areas. The Verkhnetovskaya pipe is the only kimberlite object currently known in the Chernoozerskaya area of the Arkhangelsk diamondiferous province. This indicates the need for a comprehensive study of this pipe. The main reason it is difficult to study the pipes of the Arkhangelsk diamondiferous province is the large overburden thickness. In order to increase the efficiency of prospecting, we used a set of methods: microseismic sounding method, passive seismic interferometry, H/V method, gamma spectrometry and emanation mapping. The analysis showed that a new field measurement technique was tested in this research, resulting in more stable data. The main improvement in field measurements is the determination of the optimal accumulation time of microseism when implementing the microseismic sounding method. In addition, the location of the stations in the implementation of passive interferometry made it possible to minimize the influence of the azimuthal distribution of ambient noise sources. The studies made it possible to construct the geophysical image of the investigated pipe and the surrounding medium. As a result, it was shown that the northwestern side has a vertical structure, while according to the drilling data, the side has a uniform slope. In particular, the presence of previously unknown lateral channels was shown. The proposed methodology made it possible to obtain important information with minimal time and technical costs, confirming the applicability of the proposed methodology in the Chernoozerskaya area.

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Section: Methodsmentioning

confidence: 99%