Stream and drainage sediments Flashcards
1
Q
What are stream and drainage sediments composed of?
A
Clastic material derived from bedrock and overburden
2
Q
What happens to minerals in sediments?
A
Primary minerals weather to secondary minerals which precipitate in waters
3
Q
What happens to these minerals?
A
They are absorbed into organic materials which are adsorbed onto clay
4
Q
What can cause false anomalies?
A
Fe and Mn as they pull down metals due to lack of oxygen from boggy environments
