What type of material that covered Herculaneum helped to preserve it?
Sand
Clay
Pyroclastic material
Lava
Answer
Unlike Pompeii, the mainly pyroclastic material that covered Herculaneum carbonized and preserved more wooden objects such as roofs, beds, and doors, as well as other organic-based materials such as food and papyrus.
Surviving Vesuvius: A Deep Dive into the History of Herculaneum