USGS Home
Contact USGS
Search USGS
Science Topics
Maps, Imagery, and Publications
Hazards
Newsroom
Education
Jobs
Partnerships
Library
About USGS
Podcasts/RSS
You are here:
Methods
>
Laboratory methods
>
Isotopic analysis
>
Radiometric dating
Help
Potassium-argon analysis
Radiometric age determination by comparison of the concentrations of radioactive potassium and argon daughter products.
Subtopics:
(none)
Search USGS
Alphabetical Index of Topics
a
b
c
d
e
f
g
h
i
j
k
l
m
n
o
p
q
r
s
t
u
v
w
x
y
z
Find a topic in this index: