Turbidites

Lecture Outline

1. Sediment gravity flows

   • Defined
   • Primary condition
   • Types and flow mechanisms
     • turbidity currents
     • grain flows
     • liquified flows
     • debris flows
   • Structures
     • reverse grading
     • dish structures

2. Turbidite fan system

   • Occurence
   • Geometry
   • Processes
   • Sediment characteristics

• turbidity current
• fluidized sediment flow
• grain flow
• debris flow
• Bouma sequence
• shelf slope break
• contour currents

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