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pyroclastic
(redirected from Pyroclastic rock)

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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) rocks → pyroklastisch; pyroclastic flow → pyroklastischer Strom
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The 3,125m volcano also launched pyroclastic rock 400m into the air.
Chile volcano spews ash and lava by Aljazeera.net
12 Pb-Zn deposits (New Brunswick), the presence of peperites in association with pyroclastic rocks and tufflavas indicates the in situ emplacement of pyroclastic rocks (cf.
Igneous rock associations 6. modelling of deep submarine pyroclastic ... by Lentz, D.R. / Geoscience Canada
In addition, auriferous multi-phase sulfide and oxide breccia veins are: 1) possibly underlain by one or more gold-copper porphyry systems (South Zone, Fall Creek Zones); 2) VMS type targets associated with sulfidized felsic stratigraphy and coarse pyroclastic rocks (Yellow Bowl, Knob Zones); and 3) a large epithermal target characterized by barite and jasper (possibly underlain by a gold-copper porphyry system.
Goldeye Options Todd Creek Property, Stewart Gold Camp, NW BC by Business Wire
 
 
 
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