Skip to content

Fact box: Loppi National Drill Core Archive

  • The world’s largest core sample archive.
  • Houses a total of 3.6 million metres of drill cores, more than two million soil samples, and hundreds of thousands of rock and mineral samples from Finnish bedrock.
  • Located in Loppi since 1974.
  • Additional drill core warehouses and sample analysis facilities are currently available at GTK’s Rovaniemi and Kuopio offices.