w11 forensic geology Flashcards
1
Q
how many types of rocks are there?
A
3
2
Q
name the different types of rocks
A
- igneous
- sedimentary
- metamorphic
3
Q
how are igneous rocks formed
A
formed from the cooling of molten rock
two types :
i) extrusive volcanic ii) intrusive plutonic
4
Q
how are sedimentary rocks formed
A
erosion sediments of rock layered upon each other
5
Q
how are metamorphic rocks formed
A
heat and pressure of sedimentary rock
6
Q
define forensic geology
A
application of geology to policing and law enforcement, which may be potentially applicable to a court of law
