Abstract
The paper reports on the deep geophysical studies performed by the Geological Survey of Russia (VSEGEI) under the international project – Deep Processes and Metallogeny of Northern, Central and Eastern Asia. A model of the deep crustal structure is represented by a set of crustal thickness maps and a 5400-km long geotransect across the major tectonic areas of Northeastern Eurasia. An area of 50000000 km2 is digitally mapped in the uniform projection. The maps show the Moho depths, thicknesses of the main crustal units (i.e. the sedimentary cover and the consolidated crust), anomalous gravity and magnetic fields (in a schematic zoning map of the study area), and types of the crust. The geotransect gives the vertical section of the crust and upper mantle at the passive margin of the Eurasian continent (including submarine uplifts and shelf areas of the Arctic Ocean) and the active eastern continental margin, as well as an area of the Pacific plate.
Highlights
The paper reports on the deep geophysical studies performed by the Geological Survey of Russia (VSEGEI) under the international project – Deep Processes and Metallogeny of Northern, Central and Eastern Asia
A model of the deep crustal structure is represented by a set of crustal thickness maps and a 5400-km long geotransect across the major tectonic areas of Northeastern Eurasia
The geo transect gives the vertical section of the crust and upper mantle at the passive margin of the Eurasian continent and the active eastern continental margin, as well as an area of the Pacific plate
Summary
3. Схема районирования Северо-Восточной Евразии по характеру потенциальных полей. Цветом обозначены провинции: 1 – Евразийская, 2 – Северо-Американская, 3 – срединно-океанических хребтов, 4 – Тихо океанская, 5 – зоны субдукции. Красные линии – границы провинций, синие линии – границы областей, зеленые линии – границы районов. Соответствие буквенных обозначений на схеме районирования выделенным таксонам Table 3. Zone indexes and corresponding names on the schematic zoning map Обозначение Районирование потенциальных полей на схеме (названия таксонов)
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