Viking halberd a drooping "beard". The name is from Old Norse "skegg", "beard" and "øx", "axe". The term "Viking halberd" was used to describe a find in North America in the 1995 book "Early Vikings of the New World", but it was later demonstrated to be a tobacco cutter. There has currently been, in fact, no clearly identified Viking halberd or bill found. Spears are the only type of polearms found in Viking graves. It is possible that halberds and bills were not part of Viking funerary customs, as opposed to other weapons that have been found in graves. Bills have been
Types of volcanic eruptions Types of volcanic eruptions Several types of volcanic eruptions—during which lava, tephra (ash, lapilli, volcanic bombs and volcanic blocks), and assorted gases are expelled from a volcanic vent or fissure—have been distinguished by volcanologists. These are often named after famous volcanoes where that type of behavior has been observed. Some volcanoes may exhibit only one characteristic type of eruption during a period of activity, while others may display an entire sequence of types all in one eruptive series. There are three different types of eruptions. The most well-observed are magmatic eruptions, which involve the decompression of gas within magma that