pyroclastic density current
A pyroclastic flow; a gas-rich, hot, dense, ground-hugging torrent of ash, lapilli,…A pyroclastic flow; a gas-rich, hot, dense, ground-hugging torrent of ash, lapilli, and volcanic blocks that results from the gravitational collapse of a volcanic eruption column, associated with explosive plinian and ultraplinian volcanic eruptions, and which produces a type of volcaniclastic deposit called an ash-flow tuff or an ignimbrite.
Meaning
1 sensesA pyroclastic flow; a gas-rich, hot, dense, ground-hugging torrent of ash, lapilli, and volcanic blocks that results from the gravitational collapse of a volcanic eruption column, associated with explosive plinian and ultraplinian volcanic eruptions, and which produces a type of volcaniclastic deposit called an ash-flow tuff or an ignimbrite.
Forms
plural: pyroclastic density currents| Singular | pyroclastic density current |
|---|---|
| Plural | pyroclastic density currents |
regular