Geology Rocks: Oxygen And Rust

Geology Rocks: Exploring the Earth Sciences

23-08-2012 • 4 mins

Ep6: Join Finley as he travels around the world and back in time to explore everything from fossils to volcanoes and even how rocks helped formed our planet! This week we discover how geologists use rust in rocks to determine how much oxygen was in the atmosphere billions of years ago. Plus we find the answers to questions such as ‘why is Mars red?’.

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