A sandstorm could mean death for a large animal like a dinosaur

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During the later Triassic southern England consisted of an arid, limestone plateau where fossils have been found. Early prosauropods, such as (dinosaur equipment)Thecodontosaurus eked out a living here on the scrappy vegetation. The plateau was riddled with gullies and caves, and moist underground air seeped to the surface producing a slightly lusher vegetation at the cave mouths. Plant-eaters were tempted to these areas, and occasionally lost their footing and fell to their dearhs. There they were devoured by cave-dwelling animals, or were covered by cave debris and later fossilized. This shows how Triassic dinosaur remains are found in much older Carboniferous rocks. The Carboniferous limestones formed the uplands and the Triassic animals were fossilized in them.

 

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The Naracoort Caves in South Australia acted as a similar trap, and have preserved the remains of Pleistocene mammals such as Diprotodon and Thylacoleo. We can often tell if a dinosaur died in an arid environment. (Playground Dinosaur Equipment)As a dead body dries out in the heat, rhe tendons that link the bones shrink. When these tendons dry and contract, they pull the tail up and the neck back, drawing the skull over the shoulders and back.

 

Eventually the swallowhole is filled with debris and the bones of the dead animals fossilize.(dinosaur exhibition equipment)

 

An arid limestone plateau habitat is the setting for a swallowhole into which lizards and a Thecodontosaurus have fallen.

A sandstorm could mean death for a large animal like a dinosaur. It could also mean that its skeleton was preserved entirely and articulated. An animal engulfed in tonnes of sand suffocated quickly, but the sheer weight of the sediment kept it in place and once the soft tissues decayed the bones remained undisturbed.