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Mapping of talik zones
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Mapping of talik zones

Dec. 16, 2021

Target

GPR survey of permafrost soil massif to a depth of 100 m in order to detect areas of talik zones.

Result

In the northern part of the lake, an anomalous zone was found up to a depth of 70 m, more than 1100 m in size in the north-south direction and more than 700 m in the west-east direction.

This zone of the permafrost soil massif has the characteristic features of a thawed zone.

Verification by drilling and low-resistivity logging measurements confirmed the presence of water in the wells and a good match with the contours of the talik zones previously identified. The survey depth was 80-100 m.

Value

Operational detection and mapping of talik zones.