Which process yields diatomaceous earth deposits following upwelling?

💡 Explanation

Biogenic silica accumulation forms diatomaceous earth because diatoms thrive where upwelling delivers nutrients, therefore, their silica-based remains accumulate creating vast deposits rather than eroding via deflation or precipitating at hydrothermal vents.

• Which outcome is accelerated during subduction with serpentinization?
• Which risk escalates downstream after a lahar overwhelms levees?
• Which feedback causes speleothems to increase deposition rates?
• Which mechanism dictates magma silica content increasing viscosity?
• Which change arises if arid region soils experience increased rainfall?
• Which geographic event results when meanders erode adjacent to neck?