Similar to potassium-argon dating, rubidium-strontium dating measures the ratio of the isotopes rubidium-87 and strontium-87. It is used to date rocks that are between 10 million and 4.6 billion years old.
Similar to potassium-argon dating, rubidium-strontium dating measures the ratio of the isotopes rubidium-87 and strontium-87. It is used to date rocks that are between 10 million and 4.6 billion years old.