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| WikiPedia definition of "dacitic" |
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Redirected from Dacitic) ... Dacite (pronounced / deɪsaɪt /) is an igneous, volcanic rock with a high iron content.
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Pumice is a textural term for a volcanic rock that is a solidified frothy lava composed of highly microvesicular glass pyroclastic with very thin, translucent bubble walls of ...
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Unzen’s deadliest eruption occurred in 1792, with a large dacitic lava flow coming from Fugendake. The east flank of the Mayuyama dome collapsed unexpectedly following a post ...
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Walker Volcanics appear as Purple, or greenish-grey dacitic ignimbrite. These volcanics contain chloritised cordierite and some have garnet. They are Wenlock age.
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The andesitic-dacitic younger Tolima volcano formed during the past 40,000 years, rising above and largely obscuring a 3-km-wide late-Pleistocene caldera.
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Denham caldera, formed during a major dacitic explosive eruption about 2200 years ago, truncated the western side of the island and is 6.5 x 4 km wide.
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Then about 1,100 years ago several dacitic domes, the Chaos Crags, protruded through these cones and obliterated all but half of the southernmost cone.
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Ignimbrite is a volcanic pyroclastic rock, often of dacitic or rhyolitic composition. "Ignimbrite" is the deposit of a pumice rich pyroclastic density current, or ' pyroclastic ...
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Both of these blocks display characteristics of uplift that most likely occurred as dacitic magma intruded into the sedimentary layers at a shallow depth and uplifted the layers ...
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The Miravalles Volcano is an andesitic stratovolcano in Costa Rica. The caldera was formed during several major explosive eruptions that produced voluminous dacitic-rhyolitic ...
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