Journal
DOKLADY EARTH SCIENCES
Volume 433, Issue 1, Pages 974-977Publisher
MAIK NAUKA/INTERPERIODICA/SPRINGER
DOI: 10.1134/S1028334X10070275
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Funding
- Russian Foundation for Basic Research [08-05-00193]
- Presidents Program Leading Scientific Schools of Russia [5338.2006.5]
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The main goal of this investigation is estimating volume of volatile emission, atmospheric and climatic impact of the Kurile Lake caldera-forming eruption, one of the Earth's largest Holocene explosive eruptions. The volatile content of magma before the eruption was estimated by comparing H2O, S, Cl and F contents in natural quenched glassy melt inclusions trapped by plagioclase phenocrysts. The volatile content of igneous rocks after eruption was estimated by comparing concentrations of degassed matrix glasses. As a result of KO-eruption not more than (3.7-4.2) x 10(12) kg of water, (4.3-4.9) x 10(10) kg of chlorine, (8.6-9.8) x 10(9) kg of fluorine and (2.6-2.9) x 10(10) kg of sulphur were injected into the atmosphere. This eruption had to produce an important climatic impact.
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