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We performed a study of the anomalous magnetic field features of the Nether-Polar and Polar sectors of the Urals (48-72В° E and 60-68В° N). We identified and mapped magnetic anomalies due to the Earth's crust layers. The calculated local magnetic anomalies map allows allocating basic-ultrabasic massifs in the upper parts of the basement within the sedimentary basins. After regional magnetic anomalies interpretation and deep seismic sounding data along profiles, located in the study area we build an Earth's crust s...