alb3845502

fossilized sand ripples

Fixed in time, the waves of a shallow sea which rippled its sandy bed at the dawn of life, perhaps one and a half millennia ago, are now seen again in ripple stones among shattered Precambrian rocks of Lawn Hill Gorge, northwest Queensland, Australia. The red sandstones are of extreme antiquity, having been laid down in a seabed about 1,560 million years ago in the Proterozoic Eon, before the evolution of life beyond bacteria and stromatolites.

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Title:

fossilized sand ripples

Caption:

Fixed in time, the waves of a shallow sea which rippled its sandy bed at the dawn of life, perhaps one and a half millennia ago, are now seen again in ripple stones among shattered Precambrian rocks of Lawn Hill Gorge, northwest Queensland, Australia. The red sandstones are of extreme antiquity, having been laid down in a seabed about 1,560 million years ago in the Proterozoic Eon, before the evolution of life beyond bacteria and stromatolites.

Credit:

Album / Science Source / Wayne G. Lawler

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Image size:

4208 x 2760 px | 33.2 MB

Print size:

35.6 x 23.4 cm | 14.0 x 9.2 in (300 dpi)

Keywords:

ANCIENT RIPPLES • AUSTRALIAN SANDSTONE • BOODJAMULLA NATIONAL PARK • DEPOSITIONAL ENVIRONMENT • FOSSILIZED RIPPLE • GEOLOGIA • GEOLOGY • LAWN HILL GORGE NATIONAL PARK • MUD RIPPLES • PRECAMBRIAN ERA • PROTEROZOIC EON • QUEENSLAND AUSTRALIA • RED SANDSTONE • RIDGES • RIPPLE FOSSIL • RIPPLE MARKS • RIPPLE STONE • ROCK FORMATION • SAND RIPPLES • SANDY SEABED • SEDIMENTARY • SEDIMENTOLOGY • SHALLOW SEAS • UNDULATING • WATER MARKS • WAVE PATTERN