Unit 4: Long Lived Isotopes Flashcards
1
Q
When is carbon dating useful upto?
A
50,000 years
2
Q
When is Thorium-230 useful upto?
A
400,000 years
3
Q
What is the half-life of Thorium-230
A
75,000 years
4
Q
What is Thorium-230 a product of?
A
Uranium-238 decay
5
Q
Amount of Sediment = ?
A
Ln2 / slope
6
Q
Ln2 / slope = ?
A
Amount of sediment