Drachev et al.: Main Structural Elements of East em Russian Arctic Continental Margin
I
I
\
I
I I
"Ii
{
,
!
671
i
j
\
Figure 2: Altimeter derived marine gravity field and main structural elements of the eastern Russian Arctic
continental margin. Polar stereo graphic projection. The bold numbers denote the geological structures on the
continental shelf: I - West Laptev Rift Basin, 2 - South Laptev Rift Basin, 3 - Us!' Lena Rift, 4 - Bel 'kovSvyatoi Nos Rift,S - Anisin Rift, 6 - East Laptev Horst, 7 - Stolbovoi Horst, 8 - Kotel 'nyi Uplift, 9 - New
Siberian Rift, 10 - De Long Uplift, II - East Siberian Basin, 12 - Vil'kitskii Rift System, 13 - Vil'kitskii
Trough, 14 - Toll' Rift, 15 - Wrangel Block (Arch), 16 - North Chukchi Rift Basin, 17 - North Chukchi Uplift,
18 - Listric-normal faults province. The capital bold letters show the structural features of the oceanic areas: NB -
Nansen Basin, AB - Amundsen Basin, LR - Lomonosov Ridge, MB - Makarov Basin, AP - Arlis Plateau, CB -
Chukchi Basin, CR - Charlie Rift, ChB - Chukchi Borderland, NWB - Northwind Basin; NWR - Northwind
Ridge, CaB - Canada Basin. The white letters are: Ko - Kotel'nyi Island, Wr - Wrangel Island.