Abstract New paleomagnetic data on the Devonian and Early Carboniferous rocks in Tuva have been obtained. Component analysis of magnetization has been carried out. Coordinates of the paleomagnetic poles have been calculated: Φ = 53.8, Λ = 141.7, and A95 = 9.6 (Early Carboniferous); Φ = 3.7, Λ = 139.8, and A95 = 9.3 (beginning of the Late Devonian). The Early Carboniferous rocks were formed in the latitude range of 51°–70.5° N; rocks in the upper part of the Upper Devonian strata, 42°–68° N; and the lower part of the Upper Devonian strata, 21°–36° N. The large geological blocks of Tuva likely rotated in the horizontal plane due to the action of high-amplitude shears.

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图瓦泥盆纪-早石炭世地层的新古地磁数据

摘要 获得了图瓦泥盆纪和早石炭世岩石的新古地磁数据。已进行磁化分量分析。已计算出古地磁极坐标：Φ=53.8，Λ=141.7，A95=9.6（早石炭世）；Φ = 3.7，Λ = 139.8，A95 = 9.3（晚泥盆世开始）。早石炭世岩石形成于北纬51°～70.5°之间；上泥盆统地层上部的岩石，北纬 42°～68°；和上泥盆统地层下部，北纬 21°–36°。由于高振幅剪切作用，图瓦的大型地质块可能在水平面上旋转。