Sentences with phrase «of magmatic»

The images show that the axial valley at 4,000 m water depth is blanketed by an extensive set of pyroclastic deposits, raising important questions regarding the accumulation and discharge of magmatic volatiles on such ridges and demonstrating that large - scale pyroclastic activity is possible along even the deepest portions of the global mid-ocean ridge volcanic system.

In short, the belief that volcanic CO2exceeds anthropogenic CO2 implies either unbelievable volumes of magma production or unbelievable concentrations of magmatic CO2.

Drips of shimmering yellows, reds, and oranges mingle with sprinkles of glitter, all accentuated by ornamental structures either framing or piercing through the softness of magmatic liquids.

I like the idea that the unwary «worshippers» are confronted with these sentinels, the idea that their gaze is somehow reciprocated but these impenetrable totems, spouting out of a magmatic matter coming from a distant future or past, have found a home in the Biennale's ground staring at the unwary art crowd...

«Overall, this new image of Yellowstone's crustal magma reservoir provides a better understanding of the magmatic volume, melt configuration, and fluid state that control its potential for future volcanism and its joint volcano ‐ earthquake hazard, as well as a basis for assessing temporal changes in the reservoir properties that could portend new volcanism,» the researchers wrote in their study.

The microscopic growth rings or zones of crystals record the history of magmatic processes occurring during crystallization, which can be read by expert eyes.

These vast fields of lava record powerful but geologically brief pulses of magmatic activity.

In the study entitled «The effect of giant lateral collapses on magma pathways and the location of volcanism,» authored by F. Maccaferri, N. Richter and T. Walter, all working at GFZ, in section 2.1 (Physics of earthquakes and volcanoes), the propagation path of magmatic intrusions underneath a volcanic edifice has been simulated by means of a mathematical model.

The current unrest is consistent with a reactivation of the magmatic system after 412 years and, hence, with an increase in the threat from volcanic activity to the caldera's population of almost 360,000 people, as well as to the three million residents of Naples immediately outside its eastern margin.

Not exact matches

Four 100 % - owned exploration permits (Nikolicevo, Kraljevica, Čoka Kupjatra and Tilva Njagra) covering approximately 218.1 square kilometres in the highly prospective Timok Magmatic Complex near the town of Bor.

«Another clue for fast motion of the Hawaiian hotspot: 50 to 60 million years ago the hot magmatic source of the volcanoes moved southward fast.»

However Professor Stewart, writing in Episodes, has suggested the change coincides closely with a period of particularly high sea levels that could have triggered the fundamental change in Mount Etna's magmatic behaviour.

Nevertheless, a team of UNIGE - led geologists has provided new evidence of the Mediterranean's drying up and the forcing of surface processes on magmatic activity.

After observing a sharp rise in volcanic activity during this period, and testing various scenarios, the geologists concluded that the increase in magmatic activity could only be explained by the almost total drying out of the Mediterranean.

The volcanologist explains that the lack of a major volcanic eruption does not necessarily indicate that magmatic activity has come to a complete halt.

«The volcanic eruption has now moved on to the next, more severe, magmatic eruption phase, where highly viscous lava can trap gases under pressure, potentially leading to an explosion,» says Mark Tingay, a geologist at the University of Adelaide in Australia.

When meteoroids struck the farside of the moon, in most cases the crust was too thick and no magmatic basalt welled up, creating the dark side of the moon with valleys, craters and highlands, but almost no maria.

Some 50 million years later, an LIP called the Central Atlantic Magmatic Province coincided with another mass extinction — one that eventually led to the rise of the dinosaurs.

A major challenge is to determine how geothermal and magmatic fluids are distributed and stored in the subsurface of Aluto and how they ascend along the mapped fault zones.»

«The low ratio of 18O to 16O contents in the crystal rims indicate that something in the magmatic system changed drastically just before the big eruption.

These catastrophic events interact with the magmatic activity of the volcano, as a new research in Nature Communications suggests.

Professor of Earth and Environmental Sciences at Vanderbilt University, and published online this weekend by the journal Earth and Planetary Science Letters in a paper titled, «Iceland is not a magmatic analog for the Hadean: Evidence from the zircon record.»

Professor Luca Caricchi adds: «When we determine the age of a family of zircons from a small sample of solidified magmatic rock, using results from the mathematical model we have developed, we can tell what the size of the entire magma chamber was, as well as how fast the magma reservoir grew.»

Greg Holland, a postdoctoral researcher in isotope geochemistry at the University of Manchester in England, and his colleagues measured the amounts of various isotopes of noble gases in the Bravo Dome gas field in New Mexico, where magmatic gases — primarily carbon dioxide — that allow the mantle to be sampled are buried hundreds of meters below.

These observations provide a conceptual framework for better anticipating monogenetic eruptions in similar settings and magmatic fluxes and should lead to improved strategies for mitigation of their associated hazards and risks.

However, this is not the case for monogenetic volcanoes (usually the result of a single magmatic pulse).

Study co-author Fan - Chi Lin, an assistant professor of geology and geophysics, says: «It gives us a better understanding the Yellowstone magmatic system.

Lough, A. C., Wiens, D. A., Barcheck, C. G., Anandakrishnan, S., Aster, R. C., Blankenship, D. D., Huerta, A. D., Nyblade, A., Young, D. A., and Wilson, T. J., 2013, Seismic Detection of an Active Subglacial Magmatic Complex in Marie Byrd Land, Antarctica, Nature Geoscience, 6, 1031 - 1035, doi: 10.1038 / ngeo1992.

Oxygen isotope evidence for large - scale hybridization of the lower crust during magmatic underplating

Shellnutt (2017), in a succinct review of the Panjal Traps (c. 290 Ma), an important component of the Himalayan magmatic province, discusses the synchronous nature of basalts, that chemically range from continental tholeiite to ocean - floor basalt, and crustally derived silicic volcanic rocks (rhyolites and trachytes: 206Pb / 238U zircon in situ age of 289 ± 3 Ma), that developed in a shallow lithospheric rift with significant mingling between crustal melts and mafic magmas.

Southward propagation of rifting and magmatic activity resulted in the formation of lake basins first in the northern parts of the EARS.

Magmatic precipitation as a possible origin of Noachian clays on Mars.

An adventure beneath the earth's surface An ancient legend tells of a long - gone continent called Magmatic, buried in a volcanic eruption -LSB-...]

By Saturday evening, local volcanologists increased the severity of the eruption from phreatic (steam) to magmatic, after fire and lava were spotted near the summit.

«The activity of Mount Agung has entered the magmatic eruption phase,» Gede Suantika, an official at the volcanology and geological disaster mitigation agency, told Reuters.

The Balinese volcano, the highest point on the island, has grown increasingly restless over the past week, with the alert system raised to its highest level early on Monday, as the nature of the eruptions has shifted from phreatic, or steam - based, to magmatic.

«The volcanic eruption has now moved on to the next, more severe, magmatic eruption phase, where highly viscous lava can trap gasses under pressure, potentially leading to an explosion,» Mark Tingay, a geologist at the University of Adelaide's Australian School of Petroleum, said in a statement Monday.

Officials later on Sunday said the activity could be a magmatic eruption — one which involves the decompression of gas and results in the spewing of ash — and advised people near the mountain to wear masks.

After confirmation that the volcano was shifting into the magmatic phase, authorities raised the warning level to the maximum of 4 on Monday morning.

Working across sculpture, video, drawing and photography, Solar's art is itself a magmatic investigation of morphology and sensory manifestation.

«It was easy to imagine the formation of this land, the magmatic state of the stone when it erupted, just being liquid land,» she wrote to me: «that instant where there were only two liquids, no solid element».

Hiromu Okada of Hokkaido University, who helped predict the eruption of Mount Usu, states that «If some magmatic system is ready or nearly due to erupt, an earthquake could be an effective trigger».

And geothermal does not care if the average globally is high or low — only what it is at the point of the geysers or vents or magmatic chambers.

``... Figure 1 shows that 54 eight out of nine of these best - documented mid-ocean ridge magmatic events occurred 55 during lows in the fortnightly tidal modulations (neap tides)...»

The paper clearly explains that, it's a matter of system response time: «Figure 1 shows that eight out of nine of these best - documented mid-ocean ridge magmatic events occurred during lows in the fortnightly tidal modulations (neap tides).

The End - Triassic Extinction Event occurred at the same time as the eruption of the Central Atlantic Magmatic Province.

Somehow the megacaldera events dwarf the entire human output for carbon dioxide and particulates... * that * is something to worry about and until someone does a real good job defining subsurface structures, water infiltration, crustal stress, and magmatic uplift and composition, the actual, real problems of this planet will not be addressed.

Here we combine new and published geochronological data for tectonic - magmatic events recorded along the Greenland continental rifted margin to test the hypothesis that the origin of the main Cenozoic hyperthermals, including the PETM, is rooted in plate tectonic, metamorphic and volcanic processes in the North Atlantic region.

During the Early Jurassic, the planet was subject to distinctive tectonic, magmatic, and orbital forcing, and fundamental aspects of the modern biosphere were becoming established in the aftermath of the end - Permian and end - Triassic mass extinctions.

Acknowledging that the concept of the Trunki was a clever one, he said: «Unfortunately for Magmatic, this appeal is not concerned with an idea or an invention, but with a design.»