Sentences with phrase «in magmatic»

As a high - pressure experimental petrol - ogy intern, Turner studies what happens to min - erals when they are exposed to high pressures and temperatures in magmatic (magma - related) systems on the moon and Mars.

«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.

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.

Not exact matches

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.

Historical exploration has identified magmatic massive nickel sulphides over 0.2 m — 3.0 m downhole widths in drillholes.

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.

Four exploration permits (Brestovac - Metovnica, Brestovac Zapad, Jasikovo - Durlan Potok and Leskovo) in the highly prospective Timok Magmatic Complex are subject to a joint venture agreement with Freeport - McMoRan (Freeport).

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.

Climate change influences magmatic production, in particular via the effects on erosion and hydrology, which modify the pressure exerted at Earth's surface on the deep layers.

«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.

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.»

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.»

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 modeIn 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 modein 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.

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.

On its way toward the surface the magmatic fluids cool and deposit copper in the fractured rocks forming giant metal deposits such as those exploited along the Andean Cordillera.

The article presenting the methodology and its optimization for magmatic crystals has just been published in the journal Chemical Geology.

For 250 million years between Year 2.16 and 2.26 billion, however, volcanic activity appears to have subsided in a «global magmatic lull» so that comparatively little carbon dioxide was released into the atmosphere through volcanoes (Condie et al, 2009; and David Shiga, New Scientist, May 9, 2009).

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.

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.

«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.

Minerals such as iron, potassium, calcium, manganese, silicone and copper, which are picked up as rainwater infiltrates through magmatic volcanic rock in French volcanoes.

Differentiation and magmatic activity in Vesta evidenced by 26 Al - 26 Mg dating in eucrites and diogenites Start online dating with Match.

Differentiation and magmatic activity in Vesta evidenced by 26 Al - 26 Mg dating in eucrites and diogenites

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

«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.

The western crater has had magmatic activity in the past, but none registered within the past 150 years

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...

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

``... 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).

Image: Upper Triassic sediments (red) alternating with basalts from the Central Atlantic Magmatic Province (brown), in the Atlas mountains (Morocco).

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.

Tectonic - magmatic (rift to drift) events on both the West and East Greenland margins are recorded by Paleocene and Early Eocene flood basalts, regional dike swarms, central intrusions and sill complexes in Paleozoic - Mesozoic rift basins that have been exposed by Tertiary uplift.

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.