Dating of archeological, geological, or organic specimens by measuring the amount of argon accumulated in the matrix rock through decay of radioactive potassium.

Related terms:

• Potassium argon dating
• fission-track dating
• uranium-lead dating
• archeomagnetic dating
• potassium bentonite
• rubidium-strontium dating
• amino acid dating
• relative dating
• K-A age

Potassium argon dating is a technique used in geology for estimating the age of a mineral or rock, based upon the rate of decay of radioactive potassium into argon.

Related terms:

• potassium-argon dating
• rubidium-strontium dating
• uranium-lead dating
• archeomagnetic dating
• potassium bentonite
• amino acid dating
• fission-track dating
• relative dating
• K-A age