Sentences with word «magmatic»

These vast fields of lava record powerful but geologically brief pulses of magmatic activity.
The study in Science is titled, «The Yellowstone magmatic system from the mantle plume to the upper crust.»
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.
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 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.
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.
Heightened seismic activity, mudflows and confirmation the volcano is shifting into magmatic phase prompts warnings and airport closures
These volcanic rocks covered a huge area, across four continents, representing the Central Atlantic Magmatic Province (CAMP).
The microscopic growth rings or zones of crystals record the history of magmatic processes occurring during crystallization, which can be read by expert eyes.
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.
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.»
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.
This «central Atlantic magmatic province» (CAMP) released carbon dioxide and sulphurous compounds into the atmosphere — supposedly triggering global warming, acid rain and widespread extinctions on land and at sea.
However, this is not the case for monogenetic volcanoes (usually the result of a single magmatic pulse).
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.»
Minerals such as iron, potassium, calcium, manganese, silicone and copper, which are picked up as rainwater infiltrates through magmatic volcanic rock in French volcanoes.
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.
Thermodynamic model for uplift and deflation episodes (bradyseism) associated with magmatic - hydrothermal activity at the Campi Flegrei (Italy).
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.
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 article presenting the methodology and its optimization for magmatic crystals has just been published in the journal Chemical Geology.
Study co-author Fan - Chi Lin, an assistant professor of geology and geophysics, says: «It gives us a better understanding the Yellowstone magmatic system.
«Seismic detection of an active subglacial magmatic complex in Marie Byrd Land, Antarctica.»
Five major LIPs were emplaced at or near the Gondwana margin, including the Himalayan magmatic province (c. 290 — 270 Ma) which was emplaced along the Tethyan margin of Gondwana (Wang et al. 2014 and references therein), the Emishan LIP (China) and the Siberian Traps (c. 251 Ma).
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.
Yes — quite unusually for the UKIPO when it comes to designs, a practice note was issued in June 2016, primarily as a result of the judgment in the Supreme Court case PMS International Limited v Magmatic Limited -LRB-[2016] UKSC 9 March 2016).
Historical exploration has identified magmatic massive nickel sulphides over 0.2 m — 3.0 m downhole widths in drillholes.
«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.
«The size and magnitude of this newly defined eruption is as large, if not larger, than better known eruptions at Yellowstone, and it is just the first in an emerging record of newly discovered super-eruptions during a period of intense magmatic activity between 8 and 12 million years ago.»
In addition, 175 devices will be clustered along fault zones and magmatic centers to measure strain on the surface and at depth.
Computer simulations revealed that the mechanical effect on the earth crust resulting from a large lateral collapse, can promote the deflection of deep magmatic intrusions, favouring the formation of a new eruptive centre within the collapse embayment.
Tectonic and magmatic extension under a steady magma input explains variations in abyssal hill fabric with spreading rate.
The ratio of hydrogen to deuterium can indicate the source of the water or trace magmatic processes in the lunar interior.
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.
This region of anomalously high seismic velocities can be related to the intrusion of magmatic material in the lower crust of the Earth.
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.
That particular magmatic system developed 79 million years ago in northeast Spain, where the Costa Brava is located today, and where tourists enjoy its warm weather and selected cuisine unaware of the many secrets hidden in the rocks and crystals just next to their beach umbrellas!
Oxygen isotope evidence for large - scale hybridization of the lower crust during magmatic underplating
Earlier estimates of the chlorine emission from volcanoes, based upon evaluations of the pre-eruption magmatic chlorine content, are too low for some explosive volcanoes by a factor of 20 to 40 or more.
Nonetheless, the researchers said that their work does not help predict the timing of future eruptions but rather provides a never - before - seen look, which can help explain the structure of magmatic plumbing system that fuels volcanic eruptions.
Magmatic precipitation as a possible origin of Noachian clays on Mars.
Title: The Journey to Magmatic Author: Ya'akov Halevy Genre: Fantasy, Young Adult Age Group: Young Adult Rating: 4 stars Purchase: Amazon Review copy provided by Enchanted Book Promotions in exchange for an honest review.
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