the plaster casts from Pompeii
In: Biology
A Pyroclastic flow is a flood of crazy hot gas and material that immediately pours out of an erupting volcano and any people of Pompeii were well and truly incinerated by it while simultaneously being encased in the remains of this material which you might think of as “ash” but it a harder porous conglomerate called tephra. The incinerated people were quickly reduced to more or less nothing but not before they created a hollow vacancy in the tephra, into which plaster can be poured very similarly to how any other plaster cast is made.
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