First, the aforementioned stegosaur tooth was discovered to belong to a peculiar type of crocodile and was not stegosaurian in spite of everything. Then, the so-referred to as pachycephalosaur turned out to be a theropod with a bumpy, thickened skull roof and a short snout. A good skull confirmed that Majungatholus was an in depth relative of the peculiar South American horned theropod Carnotaurus; as a substitute of a pair of horns, it had a single thick knob on top of its head. The sooner title Majungasaurus had to be discarded as a result of the fabric on which it was based mostly was too scrappy to identify; it could or may not be the identical dinosaur as Majungatholus. The small theropod with protruding front teeth was named Masiakasaurus in early 2001. The available materials means that it may be related to the small theropod Noasaurus from South America, however further work must be done earlier than this identification is secure. Some speculate that it was a fish-eater. The small, birdlike theropod, referred to as Rahonavis, is probably probably the most fascinating fossil discovered by those expeditions to Madagascar.

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The first step in preparation, which often begins before the blasters have actually surveyed the positioning, is to clear any debris out of the building. Subsequent, building crews, or, more accurately, destruction crews, start taking out non-load-bearing walls throughout the constructing. This makes for a cleaner break at each ground: If these walls had been left intact, they might stiffen the building, hindering its collapse. Destruction crews can also weaken the supporting columns with sledge hammers or steel-cutters, so that they give way more easily. Subsequent, blasters can begin loading the columns with explosives. Blasters use completely different explosives for different supplies, and decide the amount of explosives wanted based on the thickness of the fabric. For concrete columns, blasters use conventional dynamite or a similar explosive material.