搜索结果: 1-15 共查到“理学 Magma”相关记录50条 . 查询时间(0.062 秒)
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Precise magma locations aid volcanic eruption forecasts(图)
岩浆位置 火山喷发 预测
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2023/5/18
Crystals once deep inside a volcano offer new view of magma,eruption timing
Crystals deep inside a volcano eruption timing
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2017/7/21
Volcanologists are gaining a better understanding of what's going on inside the magma reservoir that lies below New Zealand's Mount Tarawera volcano. They're finding a colder, more solid place than th...
Analyzing magma temperatures may help get closer to forecasting volcanic eruptions
temperatures volcanic eruptions
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2017/7/21
Although volcanic eruptions are often quite hazardous, scientists have been unable to pinpoint the processes leading up to major eruptions – and one important limitation has been a lack of knowledge a...
Volcanic Crystals Give a New View of Magma
Volcanic Crystals Magma
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2017/7/21
Volcanologists are gaining a new understanding of what’s going on inside the magma reservoir that lies below an active volcano, and they’re finding a colder, more solid place than previously thought, ...
New study documents aftermath of a supereruption,and expands size of Toba magma system
documents aftermath supereruption Toba magma system
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2017/7/20
The rare but spectacular eruptions of supervolcanoes can cause massive destruction and affect climate patterns on a global scale for decades – and a new study has found that these sites also may exper...
The lunar magma ocean volatile signature recorded in chlorine-rich glasses in KREEP basalts 15382 and 15386
chlorine fluorine Moon water glass
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2017/4/10
The last liquids of the lunar magma ocean, known as urKREEP, should be highly enriched in volatiles, such as water,
fluorine, and chlorine. We find chlorine-rich glasses in two pristine KREEP basalts...
Enormous dome in central Andes driven by huge magma body beneath it
Enormous dome central Andes driven huge magma body beneath
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2016/11/4
A new analysis of the topography of the central Andes shows the uplifting of the Earth's second highest continental plateau was driven in part by a huge zone of melted rock in the crust, known as a ma...
Simulating path of ‘magma mush’ inside an active volcano
magma mush active volcano
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2015/10/13
Months of warning signs from Mauna Loa, on Hawaii’s Big Island, prompted the U.S. Geological Survey to recently start releasing weekly updates on activity at the world’s largest active volca...
The 3550 year BP-1944 A.D.magma-plumbing system of Somma-Vesuvius: constraints on its behaviour and present state through a review of Sr-Nd isotope data
Somma-Vesuvius magma chamber crustal contamination
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2015/9/15
Vesuvius, dominating the densely-populated Neapolitan area, is one of the most dangerous volcanoes in the World. Its destructive power derives from energetic subplinian and plinian eruptions, such as ...
The relationship between volatile content and the eruptive style of basaltic magma: the Etna case
volatile content eruptive style
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2015/9/14
Fourier Transform Infrared (FT-IR) spectroscopic analyses of melt inclusions from four explosive eruptions of Etna (Italy) were conducted to determine pre-eruptive dissolved volatile concentrations. T...
A possible model for initiationof ULF oscillation in magma
ULF oscillations magma volcano electromagnetic emission
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2015/9/14
During the period just prior to an earthquake, an electomagnetic emission develops over seismic zones. In this paper, a model of excitation of magnetic fields over zones of volcanic activity is propos...
Noble gas solubility in silicate melts:a review of experimentation and theory, and implications regarding magma degassing processes
noble gases solubility degassing silicate melts
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2015/9/10
Noble gas solubility in silicate melts and glasses has gained a crucial role in Earth Sciences investigations and
in the studies of non-crystalline materials on a micro to a macro-scale. Due to their...
Fe in magma - An overview
iron silicate melt redox conditions
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2015/9/10
The strong influence of physical conditions during magma formation on Fe equilibria offers a large variety of
possibilities to deduce these conditions from Fe-bearing phases and phase assemblages fou...
A Vent-Field-Scale Model of the East Pacific Rise 9°50'N Magma-Hydrothermal System
Vent-Field-Scale Model East Pacific Rise 9°50'N Magma-Hydrothermal System
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2015/7/14
This paper describes a two-limb single-pass modeling approach constrained by vent temperature, heat flow, vent geochemistry, active-source seismology, and seismically inferred circulation geometry to ...
Yellowstone magma discovery
Yellowstone magma
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2015/4/30
A team of University of Utah seismologists has discovered a reservoir of hot, partly molten rock hidden 12 to 28 miles beneath Yellowstone's supervolcano--enough to fill the 1000 cubic-mile-Grand Cany...