Log In

Grades

Subjects

Info

Grades

3-12

Accessibility

Auditory, Visual

Permitted Use

Stream and Download


Part of NOVA
143 Favorites
2119 Views

Dating Lava Flows on Mauna Loa Volcano, Hawaii

For hundreds of thousands of years, lava flows have created intricate patterns on the slopes of Hawaiʻi's Mauna Loa volcano. Until the mid-1970s, it was impossible to know when each of the flows occurred. However, as this video segment adapted from NOVA describes, scientists are now using tiny artifacts of life encased in hardened lava flows to piece together the mountain's complex geological and biological history.

Contributor:
Funder:
Producer:

You must be logged in to use this feature

Need an account?
Register Now