Open Directory - Science:Earth Sciences:Geology:Geochronology

This category is for the topic of geologic time and techniques and tools to measure geologic time.

Sites discussing the age of the earth from a Biblical perspective, including discussions of interpreting scientific observations to support the Genesis account of creation and earth history, do not belong here. Submit them to Society/Religion_and_Spirituality/Christianity/Perspectives/Origins_and_Creation

The topic of geologic time and techniques and tools to measure geologic time, including radiometric dating techniques.

	Open Directory Science: Earth Sciences: Paleontology
	Open Directory Reference: Time