“The Wave” located in Arizona near the Utah border in the USA is a colourful rock formation made of sandstone. Initially formed in the Jurassic period by migrating sand dunes the sandstone has since been eroded into this spectacular shape. 

Eroded firstly through rainwater runoff sourced from a drainage basin nearby. The rainwater followed the path of least resistance along weak points such as joints and fractures creating the U-shaped troughs as the sediment washed away. 

Secondly after the shrinkage of the drainage basin wind became the predominant force of erosion. Over time this created the wave features as the wind was naturally funneled through the troughs. The orientation of the erosional steps and risers show the superior wind direction over the millions of years of erosion. The ribbing that is visible is due to slightly different types of sandstones making up the formation, some more compacted and/or harder than others thus harder to erode so stick out over the weaker types.

Interestingly there have been trace fossils of various types of Jurassic dinosaurs and other desert dwelling creatures of the time found in the formation.

-Matt J

For more information and stunning photos (including the one here):


“Great lizard”
Middle Jurassic, 166 million years ago     

Megalosaurus is famous for having been the first scientifically described and named “dinosaur.” However, at the time it was thought to have looked like a cross between a lizard and an elephant! The first Megalosaurus bone found was the tip of a femur, or thigh bone, and was classified as “Scrotum humanum,” or “human scrotum,” due to its shape. That’s not a joke. That really happened.

[picture sources:http://carnivoraforum.com/topic/9466344/1/;http://en.wikipedia.org/wiki/Megalosaurus]

Stegosaurus, David Krentz

Rain whispers against leaves and murmurs on Stegosaurus’s plates. It’s an early June sunshower, sudden and chilly. It doesn’t last long. When it’s over, Stegosaurus ambles through the wood, armor snagging on vines, bumping low branches, shaking caught raindrops from leaves. The water falls, patters loudly on the dinosaur’s back, and Stegosaurus shivers.

Watch on willitbeard.tumblr.com

Beard and Dinos and More Dinos

Welcome to Jurassic Beard!

ROAR LOUD AND PROUD with this mighty T-rex Necklace! Not only is this piece mighty impressive, but as a added bonus the skeleton GLOWS IN THE DARK. How cool is that? Another handmade piece from NoveltiQ <3

$12 at NoveltiQ! Currently only one available!


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Opalised belemnites.

The bullet shaped fossils are the guards of an extinct order of Mesozoic predators that resembled squid or cuttlefish, and lived from the early Jurassic to the late Cretaceous. In some places they are very useful for establishing the stratigraphy, since, in a similar manner to ammonites, they evolved fairly rapidly. Their changing forms can guide us to which exact period the rocks in question date from. Such identifications are invariably made on the basis of as complete a faunal assemblage as possible, but since many of the organisms used are microscopic, belemnites and other easily identifiable larger fossils serve as an excellent rough and ready field guide to the knowledgeable geologist.

They had 10 equal sized tentacles studded with hooks to ensnare prey, without the two longer ones that characterise modern squid. They also had internal skeletons made of calcite, unlike their modern counterparts, and the most commonly fossilised part pictured here was at the rear of the animal. Rare examples with preserved internal parts indicate that they had ink sacs, hard beaks, large eyes and tailfins similar to modern cephalopods. They are often found in the stomachs of larger predators such as ichthyosaurs.

They have intrigued humans since time immemorial, and were called thunder stones in England (as they were thought to fall from the sky), along with bullet stones, and both the devil’s and St Peter’s fingers depending on religious inclination. The Chinese called them sword stones and the Scandinavians gnome’s candles, testifying to the interest paid to these odd shaed rocks around the globe. Belemnites are also the state fossil of Delaware.


Image credit: cobalt 123