151k views
5 votes
Which stable element is used to determine the age of volcano rock


User Davidshinn
by
3.6k points

2 Answers

3 votes
the stable element is argon
User Htoniv
by
3.8k points
3 votes
One of the most common methods to date volcanic rocks uses potassium (radioactive parent) and argon (stable daughter). Potassium is an element found in many minerals and rocks, and it normally has an atomic mass of 39.
User Shalena
by
3.6k points