Clay Deposite Flashcards
1
Q
A type of fine-grained natural soil material containing clay minerals.
A
Clay
2
Q
Pure clay minerals are colored
A
White or light-coloured
3
Q
It is the oldest known ceramic material.
A
Clay
4
Q
This formed largely from clay, and is the most common sedimentary rock.
A
Shale
5
Q
Mixtures of sand, silt, and less than 40% clay are called _____
A
Loam
6
Q
Clays minerals that readily expand in volume when they absorbs water
A
Swelling clays
7
Q
Most clay minerals form where rock are in contact with?
A
Water, air, steam
8
Q
What are clay minerals composed of?
A
Silica, alumina, magnesia or both and water.