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Natural Phenomena

 
 

Moeraki Boulders

Moeraki Boulders  - click for more.
The perfectly spherical Moeraki Boulders are believed to be 60 million years old.
At Moeraki, 40 kilometres south of Oamaru, huge spherical boulders are scattered along the beach. Others can be seen emerging from the sandstone cliffs. Each boulder weighs several tonnes and is up to two metres high.

According to Maori legend, the boulders are gourds washed ashore from the great voyaging canoe Araiteuru when it was wrecked upon landfall in New Zealand hundreds of years ago.

Scientists explain the boulders as calcite concretions formed about 65 million years ago. Crystallization of calcium and carbonates around charged particles gradually formed the boulders in a pearl-like process that took as long as four million years. The soft mudstone containing the boulders was raised from the seabed around 15 million years ago; waves, wind and rain are excavating them one by one.

The viewing platform, just a few minutes walk through regenerating native forest, offers an excellent view of the boulders. If you're lucky, you might also see Hector's dolphins playing in the waves.
 


 
DUNEDIN - COASTAL OTAGO Region


Oamaru is the closest town to this highlight.

In Oamaru:

Other towns near Oamaru by road:

Other towns near Oamaru by rail:

Oamaru does not have any rail stations.

Other towns near Oamaru by air:

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