geology Flashcards
1
Q
What does geology do?
A
Influence shape of coastline
2
Q
What is lithology?
A
Physical and chemical composition of rocks
3
Q
Does clay have strong or weak lithology?
A
Weak
4
Q
Clay-
A
Soluble in weak acids and vulnerable to chemical weathering
Has pores where water and acids are absorbed
5
Q
Geological structure refers to..
A
Jointing
Faulting
Bedding planes
Permeability
6
Q
What does permeability mean?
A
The ability to absorb water through joints and pores
7
Q
What does strata mean?
A
Layers of rock and how they relate to eachother
8
Q
What does deformation mean?
A
Degree to which rock units have been deformed- tectonic activity
9
Q
What does faulting mean?
A
Presence of major fractures thats moved rocks from their original positions