Which sediment type comprises rounded blackish lumps of metallic compounds on the seafloor?
A)biogenous
B)manganese nodules
C)androgynous
D)terrigenous

Question

Quizplus · Accepted Answer

The sediment type comprising rounded blackish lumps of metallic compounds on the seafloor is called manganese nodules. They are found in vast quantities on the ocean floor and are comprised mainly of manganese, as well as iron, nickel, cobalt, and copper. They are thought to form through precipitation from seawater over millions of years.

Which Sediment Type Comprises Rounded Blackish Lumps of Metallic Compounds