Volcanology Flashcards
1
Q
Tephra
What is
A
A collective deposit of all material fallout from a volcanic eruption; any fragmental material (regardless of composition, grain size, or emplacement mechanism) of volcanic origin; composed of pyroclasts
Is called what
2
Q
Pyroclasts
What are
A
Individual specific clastic rocks fragments (ash, lapilli, bombs) produced or ejected by explosive volcanic eruptions.
Is called a what
3
Q
Magmatic Diapirs
What are
A
A dome structure formed when less dense magma (at depth < ~200 km), rises plastically or as a fluid through denser overlying magma or rock via. buoyancy
Is called a what
