Dating

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Transcript


This is a transcript of a QuickTime movie (2.2 MB) recorded in the Pilbara in 2005. Dr Martin Van Kranendonk, a geologist with the Geological Survey of Western Australia, explains how the rocks are dated.

Transcript:

Age, 3.467, that’s as if it’s a very accurate age.

It’s a very accurate age, reproduced ….

What’s the basis of that?

We use uranium lead in decay system and zircons from felsic volcanic clastic rocks, which are just over there. And we’ve dated that in all the greenstone belts and they’ve got an error of plus or minus two million years.

Contents


Introduction

Context

Early Life

Evidence

Acknowledgements

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