Geological and economic efficiency of the use of gravity and magnetic exploration at different stages of geological exploration

We have investigated nearly all of the currently available hydromagnetic survey data to study the magmatic structures in the sedimentary basin of the Barents Sea region. We use the modern interpretation techniques to process over 93 000 kilometres profile data of 1995–2017s. It was established that north-west striking dyke groups are abundant in the central and northern parts of the basin; in the south part no dykes were found. Magmatic structures in the sedimentary basin are reflected by the local magnetic anomalies of two types – the linear ones sourced by dykes, and mosaic ones associated with the local areas of magmatism. At sea depth of 100–500 m and sediment thickness over 8 km, the dominant depth of the upper edges of the bodies generating anomalies is about 1500 m.The analysis of the magnetic anomalies could help us to outline more exactly the sedimentary structures, the history of the magmatic processes and the tectonic evolution of the Barents Sea Region.

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Geological and economic efficiency of the use of gravity and magnetic exploration at different stages of geological exploration

Cited by 4 publications

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Arctic cretaceous tectonic and igneous mega-province (TIMP): Regional domains and geodynamics

Arctic cretaceous tectonic and igneous mega-province (TIMP): Regional domains and geodynamics

Mapping of Magmatic Complexes Based on Hydromagnetic Surveys in the Barents Sea Region

Mapping of Magmatic Complexes Based on Hydromagnetic Surveys in the Barents Sea Region

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