RG - Central & Eastern Belt

Bentong Group is divided into 2 units which are

• Top and Bottom Unit

• Lower and Upper Unit

The Lower and Upper Unit of Bentong Group is called

• Pilah Schist and Karak Formation

• Schist Series and Older Arenaceous Series

• Schist Formation and Older Arenaceous Formation

What is the thickness of Schist Series and Older Arenaceous Series in Bentong Group?

• 700m and 1500m

• 1500m and 2100m

• 2000m and 3500m

What lithology can be found in Schist Series of Bentong Group?

• quatz

• graphitic schist

• some phyllite, slate hornfels

• subsidiary garnet and amphibolite schist

• all of the above

WHat are the 4 lithological units in Older Arenaceous Series of Bentong Group?

• Carbonaceous cherty rock

• shale, phyllite, schist; locally carbonaceous

• MIcaceous quartzite and subreywacke

• conglomerate and grit

• graphitic schist

Older Arenaceous Series _______ _________ the Schist Series

• overlie unconformably

• overlie conformably

• underlie conformably

• underlie unconformably

boundary between Sibumasu terrane in the west and Sukhotai Arc/East Malaya block in the east

• Bentong Raub Suture Zone

• Main Range Granite

• Lebir Fault Zone

Bentong-Raub Suture Zone of what rocks?

• argillites, turbiditic rhythmites and mélange

• accretionary complex rocks

• oceanic ribbon-bedded cherts

• serpentinites and continental margin/shelf deposits

• all of the above

The Bentong Raub Suture Zone is the result of

• Southwards convergent of the Palaeo-Tethys ocean beneath Indochina in the Late Palaeozoic

• Northwards subduction of the Palaeo-Tethys ocean beneath Indochina in the Late Palaeozoic
  

• Triassic collision of the Sibumasu terrane with, and the underthrusting of, Indochina

• Tertiary expansion of the Sibumasu terrane with, and the underthrusting of, Indochina

Which is correct about Serpentinite

• A heterogeneous medley or mixture of rock materials

• A rock comprising almost wholly of serpentine group of minerals

• A sedimentary deposit consisting of a chaotic mass of intimately mixed heterogeneous materials