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pyroclastic
(redirected from Pyroclastics)

   Also found in: Encyclopedia, Wikipedia 0.01 sec.
py·ro·clas·tic  (pr-klstk)
adj.
Composed chiefly of rock fragments of volcanic origin.

pyroclastic [ˌpaɪrəʊˈklæstɪk]
adj
(Earth Sciences / Geological Science) (of rocks) formed from the solid fragments ejected during a volcanic eruption

pyroclastic  (pr-klstk)
Composed chiefly of rock fragments of explosive origin, especially those associated with explosive volcanic eruptions. Volcanic ash, obsidian, and pumice are examples of pyroclastic materials.
Translations
pyroclastic
adj (Geol) rockspyroklastisch; pyroclastic flowpyroklastischer Strom


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Magmas, lavas, pyroclastics, and granites, rocks of lesser density and greater volume than those of the underlying mantle, are created.
The effects of the 536 volcano far exceed those of the eruption in 1815 of Tambora (Indonesia), a volcano that discharged 10 times the amount of pyroclastics (fragmental volcanic material blown into the atmosphere) as the Krakatoa eruption in Indonesia in 1883 (SN: 8/27/83, p.
Presumably the olivine-rich lapilli tuff lies below the quartz-rich lapilli tuff and somewhere within this complex lies the magmatic lamproite that produced these pyroclastics.
 
 
 
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