词汇 | eruptive |
释义 | BETA Examples of eruptiveeruptive isn’t in the Cambridge Dictionary yet. You can help! Therefore, the directory condenses information on the location of volcanoes, geographic data, morphology, activity status and known eruptive history. The resultant volumes are destined to become classics as they provide a superb archive of eruptive phenomena and their consequences. In the latter case, they are a snow-ice mixture contaminated with dust packed into a lone nucleus that is eruptive when exposed to sunlight. Furthermore, the eruptive characteristics and inferred crystallization histories imply that this type of crystal-rich dacitic magma was never near its liquidus. The great variety in eruptive styles reflects very rapid changes in fragmentation patterns and in the amount of released vapour, coupled to intermittent magma ascent. Accordingly, inferred fluctuations in discharge rate are responsible for changes in the flow-field development and eruptive style. The extracaldera successions can reveal many facets of the volcanic evolution, and changing eruptive or environmental conditions during an eruption. Lithic- and pumice-rich horizons may mark separate eruptive events. The geochemical characteristics and temporal distributions of the eruptive products suggest two distinct stages of melt production. This suggests that eruptive hiatuses in the extracaldera record may reflect effusive activity and stratovolcano or shield-building phases within the summit caldera. As a matter of fact, the deposits generated after this first eruptive event are composed almost exclusively of vesicular material. First, it was demonstrated that volcanic activity in this area occurred twice, as clearly indicated by the presence of a palaeosol between two eruptive sequences. This classification does not follow any stratigraphic order, that is, the different lava types erupted during distinct eruptive episodes. The new eruptive sequence starts with a dark-brown welded deposit (about 15 cm in thickness), lying on a strongly oxidized red layer. They invoke supernatural agents to deal with emotionally eruptive existential anxieties, such as loneliness, calamity, and death. Siliceous ash flow tuffs dominate the eruptive products. It is not yet possible to determine the relative sizes of the major eruptions, required to invoke an increase in eruptive volume during each cycle. |
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