The Environment/ Contents

Geological history

H.D. Tjia

The western part of Peninsular Malaysia was once part of a much larger landmass, a continent called Gondwana. Fragments from this landmass broke off, drifted and, over hundreds of millions of years, assumed their current positions. Malaysia is made up of a series of geological terranes that have affected the nature of the geological activity—mountain building and sedimentation—across the country. These terranes continue to move and the landscape continues to transform itself.

  • Information in the full article includes
  • The formation of Malaysia: The core terrane
  • The other terranes
  • Formation and re-formation
Plesioptypmatis, a marine fossil

Close-up of Plesioptypmatis, a marine fossil of a snail found in the southern Madai Hill in Sabah dating from about 169-70 million years ago or the late Jurassic to late Cretaceous periods.