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You Are Here : Home / Explore/ Natural heritage / Geology of the Tweed

Geology of the Tweed

Geological history

Geologically, the Tweed takes the form of a huge erosion caldera centred on Wollumbin / Mount Warning.

Fossicking in the Tweed

The Tweed has been a hot spot of fossickers Australia wide.

Thunder eggs

Unassuming rocks from the outside with a beautiful array of colours and crystals inside.
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