Isotopes Flashcards
Decay series, half life, process
1
Q
Decay process of c14-n 14
A
Beta
2
Q
Half life of c14-n14
A
5.37ka
3
Q
Applicable dating range of c14-n14
A
<60ka
4
Q
40k-40A decay process
A
E capture
5
Q
40k-40Ar half life
A
1.25 Ga
6
Q
40k-40Ar half life
A
1.25 ga
7
Q
40k-40Ar applicable dating range
A
500ka to >4.5 ga
8
Q
87rb-87sr decay process
A
Beta decay
9
Q
87rb-87 Sr half life
A
- 8ga
10
Q
87sr-87rb applicable dating range
A
10ma to >4.5ga
11
Q
147sm-143nd decay process
A
Alpha
12
Q
147sm-143nd half life
A
106 ga
13
Q
147sm-143nd dating range
A
200ma to >4.15 ga
14
Q
232th-pb208 decay process
A
Alpha and beta
15
Q
232th-pb208 half life
A
14.0 ga