Pyroclastic flow — Pyroclastic flows sweep down the flanks of Mayon Volcano, Philippines, in 1984 … Wikipedia
pyroclastic flow — ▪ volcanism in a volcanic eruption, a fluidized mixture of hot rock fragments, hot gases, and entrapped air that moves at high speed in thick, gray to black, turbulent clouds that hug the ground. The temperature of the volcanic gases can… … Universalium
pyroclastic surge deposit — GLOSSARY OF VOLCANIC TERMS Pyroclastic deposits that are left by pyroclastic surges. These deposits mantle topographic features but also generally thicken within topographic depressions. These deposits are generally well sorted, and are enriched… … Glossary of volcanic terms
Pyroclastic rock — Pyroclastic rocks or pyroclastics (derived from the Greek πῦρ , meaning fire, and κλαστός , meaning broken) are clastic rocks composed solely or primarily of volcanic materials. Where the volcanic material has been transported and reworked… … Wikipedia
Pyroclastic fall — A pyroclastic fall is a uniform deposit of material which has been ejected from an eruption or plume such as an ash fall or tuff. Pyroclastic flows occur relatively spontaneously in the geological time scale and are great indicators of time.… … Wikipedia
Debris flow — Scars formed by debris flow in great Los Angeles during the winter of 1968 1969. The photograph was taken within several months of the debris flows occurring. A debris flow is a fast moving, liquefied landslide of unconsolidated, saturated debris … Wikipedia
Mount Meager — The Mount Meager volcanic complex rising above the Pemberton Valley. Summits left to right are Capricorn Mountain, Mount Meager proper and Plinth Peak … Wikipedia
Nova Iguaçu Volcano — The Nova Iguaçu Volcano ( Vulcão de Nova Iguaçu in Portuguese) is located in the state of Rio de Janeiro, Brazil, in an area of volcanic rocks at the north eastern border of the Mendanha massif. Klein and Vieira proposed the site to be an extinct … Wikipedia
Socompa — Infobox Mountain Name = Socompa Photo = Salar de Atacama Pular.jpg Caption = Salar de Atacama with Pular (leftmost), Cerro Pajonales (left) and Socompa (right) in the distance. Elevation = convert|6051|m|ft|0|abbr=on|sp=us Location = Argentina,… … Wikipedia
Pyroklastische Fließablagerung — Ein pyroklastischer Strom fließt beim Ausbruch 1984 die Flanken des Vulkans Mayon auf den Philippinen hinab Der Begriff Pyroklastische Fließablagerungen bezeichnet in der Vulkanologie bzw. der Geologie pyroklastische Ablagerungen, die sich durch… … Deutsch Wikipedia
