ZEBRA STONE

Approx. 600 million years old Upper Proterozoic era Only known deposits discovered in the East Kimberleys, Western Australia fine grained siltstone or clay stone with rhythmic patterns of red bands or spots

**It is not known how the regular patterns were formed but the red stripes are colored by ferric iron oxide.  Geologists have investigated Zebra Stone  without producing any valid explanation of its origin. 

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