rock :) Flashcards
(6 cards)
1
Q
What is porosity?
A
Percentage of empty space in a material.
2
Q
What is permeability?
A
The rate of fluid flow through a material.
3
Q
Name the three types of weathering.
A
Chemical, Biological and Physical.
4
Q
What is erosion?
A
The removal of solid material, usually loosened by weathering.
5
Q
Define grain.
A
The mineral or sediment particles that make up all rock.
6
Q
Why are some igneous rocks dark in colour?
A
Because they contain iron-rich materials.
