Ocean Sediments Quiz

What is the primary focus of the study of ocean sediments?

• Types, origins, and distribution
• Chemical composition
• Ocean currents

What type of sediment is derived from the remains of marine organisms?

• Lithogenous
• Biogenous
• Hydrogenous

Which sediment type is most abundant near continents and islands?

• Biogenous
• Hydrogenous
• Lithogenous

What is the primary component of calcareous ooze?

• Silica
• Calcium carbonate
• Iron

What does the Carbonate Compensation Depth (CCD) indicate?

• Depth of maximum sediment distribution
• Depth where calcium carbonate dissolves faster than it accumulates
• Maximum depth of marine life

Which sediment type is formed from chemical reactions in seawater?

• Biogenous
• Lithogenous
• Hydrogenous

What is the significance of the Hjulström's diagram?

• It shows sediment transport and deposition
• It measures ocean temperature and dissolution
• It analyzes marine biodiversity

What is the average accumulation rate of deep ocean sediments?

• 1-6 cm per 1000 years
• 10-20 cm per 1000 years
• 0.5-1 cm per 1000 years

What is the primary source of lithogenous sediments?

• Marine organisms
• Land erosion
• Outer space

Which type of sediment covers the largest area of the seafloor?

• Lithogenous
• Biogenous
• Hydrogenous