sentences:  Geologically they are part of the Minina Skerries, a complex formation that includes the Kolosovykh Islands further north.This island group is located between 73° 15' and 74° 40' N and between 84° and 86° 30' E. 
  
  The sea surrounding the Plavnikovye Islands is covered with fast ice in the winter and the climate is severe, with bitter and long winters.The surrounding sea is obstructed by pack ice even in the summer.