How do calcareous oozes form?
A) The particles are precipitated in the water column below the depth of sunlight penetration and then sink to the bottom.
B) The particles settle out from calcite- rich turbidity currents at depths greater than 15,000 feet.
C) The particles are precipitated by bottom- dwelling organisms.
D) The particles are precipitated in warm surface waters and sink to the bottom.

Question

Quizplus · Accepted Answer

Calcareous oozes form from the shells and skeletal fragments of marine organisms that precipitate calcium carbonate in warm surface waters. When these organisms die, their calcareous remains sink to the ocean floor, accumulating as ooze.

How Do Calcareous Oozes Form