pyroclastic rocks Flashcards
1
Q
what are pyroclastic rocks
A
rocks formed by consolidation of pyroclasts
2
Q
what are pyroclasts
A
rock fragments produced and ejected by explosive volcanic eruptions
3
Q
classification of pyroclastic rocks
A
mainly unconsolidated, tephra, from modern volcanoes
mainly consolidated, pyroclastic rock, from ancient volcanoes
grain size chart on phone
