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What materials cover the deepest parts of the Arabian Sea floor?

Created from Britannica articles using AI. AI can make mistakes, so verify using Britannica articles.
Map showing the Arabian Sea and Bay of Bengal, highlighting physical features such as ocean basins, ridges, and trenches. Surrounding countries including India, Pakistan, Bangladesh, Sri Lanka, and parts of the Middle East and Southeast Asia are labeled with major cities and boundaries. Ocean depths are indicated with shading and spot depth values.
Arabian Sea

The deepest parts of the Arabian Sea floor, specifically those basins located below 13,000 feet (4,000 metres), are covered by red clay.1

At shallower depths, the composition of the seafloor varies. While terrigenous (land-derived) deposits cover the majority of the continental slope down to approximately 9,000 feet (2,700 metres), the areas between that depth and the deeper basins are characterized by deposits consisting of the calcareous tests (shells) of Globigerina, a genus of protozoans.1