What kind of rock is uluru

Around million years ago the centre of Australia became an inland sea. Geologists believe that Uluru was formed during this period. Sands at the bottom of the basin in the inland sea were under immense pressure from the weight of the water. Scientists believe this pressure turned the sands into sandstone which formed the Uluru we know today.

The largest rock in the world or not, Uluru is a natural masterpiece. Image of the Day Land. Afternoon sunlight highlights the rounded summits and eroded fractures of the Kata Tjuta rock formation in this astronaut photo from April 30, EO Explorer.

View more Images of the Day:. You might also be interested in view all. Over time, the water erosion created two big fan shapes that spanned the plains; one that was rocky in formation, and the other made of sand. Around million years ago, the area was taken over by the sea. The sand and mud sank to the bottom of the ocean and created a layer on top of the sea bed. The added weight turned the fan shapes into rock. The pressure of the water above turned the sand fan into Uluru and the rocky fan to Kata Tjuta.

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