Lesson 7 - Marine Sediments Flashcards
1
Q
Name the 3 sediment types (3)
A
Terrigenous, Biogenic oozes, Authigenic
2
Q
What is the Lysocline?
A
Depth at which CaCO3 begins to dissolve rapidly.
3
Q
Where will biological sediments form?
A
Where water is not too deep and there is sufficient primary production st surface.
4
Q
Where do Abyssal or Pelagic clays form?
A
Deep areas of ocean where there is limited primary production
5
Q
How do bacteria break down organic matter?
A
Using oxygen gas or hen scarce, sources such as sulfur compounds.
6
Q
A
