Which type of sediment is of organic origin, i.e., made by organisms?
A)terrigenous sediments
B)biogenous sediments
C)hydrogenous (or authigenic)sediments
D)cosmogenous sediments

Question

Quizplus · Accepted Answer

Biogenous sediments are of organic origin and are made by organisms such as plankton and shellfish. They are composed of organic materials such as calcium carbonate, silica, and chitin. Examples of biogenous sediments include ooze and chalk.

Which Type of Sediment Is of Organic Origin, I