Bardiche heavy weapon with which he clave the head of an ox. It was this primitive halberd which the Swiss mountaineers used in their early struggle with Austria, and at Sempach and Mortgarten it destroyed much splendid armor. But in battle it was found useful not only for chopping but for thrusting, hence the narrowing of the front end of its plate."The blade varied greatly in shape, but was most often a long, cleaver type blade. The distinction was in how the blade was attached to the pole. The bardiche blade was attached to the pole either via two sockets (one
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