Angara Shield,Asia: see Siberian PlatformSiberian Platform
or Angara Shield,
large, geologically stable area of Precambrian rocks, N Asia, comprising much of Siberia, Russia. It is bounded, in general, on the west by the Yenisei River, on the east by the Lena River, on the north by the Arctic Ocean, and on
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Angara Shield[‚äŋ·gə′rä ‚shēld]
A shield area of crystalline rock in Siberia.