Four main methods have been used in Willandra archaeology.
Carbon-14 has a half-life of 5,730 years so dating is limited to between a few hundred and about 50,000 years. It is also important that samples for dating are collected carefully to ensure they have not been contaminated with more recent carbon.
Radiocarbon analysis can only be used on organic materials, and is often used to date charcoal associated with campfires and archaeological deposits.
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Search the entire contents of this website using the Website Search Engine: Includes an overview of the conference, a complete listing of presenters and the title of each presentation, links to thirteen of the papers that were presented, many photographs of the event and links to audio cassettes. Includes many photographs and an overview of the event, a complete list of all the presenters and the titles of each of their presentations, direct links to online abstracts and the papers that were presented and links to MP3 audio files of most of the presentations so you can actually listen to them for yourself.
A number of methods are used, all of which have their advantages, limitations and level of accuracy.