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Current Magma News and Events

Current Magma News and Events, Magma News Articles.
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Nanocrystals make volcanoes explode
Tiny crystals, ten thousand times thinner than a human hair, can cause explosive volcanic eruptions. (2020-09-24)
Uncovering new understanding of Earth's carbon cycle
A new study led by a University of Alberta PhD student--and published in Nature--is examining the Earth's carbon cycle in new depth, using diamonds as breadcrumbs of insight into some of Earth's deepest geologic mechanisms. (2020-09-23)
UAlberta researchers pinpoint how iron deposits form
University of Alberta scientists have uncovered the formation mechanism behind a class of mineral deposits that have been hotly contested until now. (2020-09-23)
Bristol scientists shine light on tiny crystals behind unexpected violent eruptions
In a new study of volcanic processes, Bristol scientists have demonstrated the role nanolites play in the creation of violent eruptions at otherwise 'calm' and predictable volcanoes. (2020-09-23)
OBS deep seismic survey uncovered crustal structure mystery of NW sub-basin of the SCS
The formation and evolution history of Northwestern sub-basin has many different opinions due to its own short-period spreading and strong volcanic activities. (2020-09-15)
Rebirth of a volcano
Continued volcanic activity after the collapse of a volcano has not been documented in detail so far. (2020-09-10)
Pumice arrives delivering "vitamin boost" to the reef
The giant pumice raft created by an underwater volcanic eruption last August in Tonga has begun arriving on the Australian eastern seaboard, delivering millions of reef-building organisms that researchers say could be a ''vitamin boost'' for the Great Barrier Reef. (2020-08-19)
Oregon study rewrites the recent history of productive Cascade Arc volcanoes
Volcanic eruptions in the Cascade Range of the Pacific Northwest over the last 2.6 million years are more numerous and closely connected to subsurface signatures of currently active magma than commonly thought, according to newly publish research. (2020-08-14)
Scientists reveal an explosive secret hidden beneath seemingly trustworthy volcanoes
An international team of volcanologists working on remote islands in the Galápagos Archipelago has found that volcanoes which reliably produce small basaltic lava eruptions hide chemically diverse magmas in their underground plumbing systems - including some with the potential to generate explosive activity. (2020-07-28)
Photos may improve understanding of volcanic processes
The shape of volcanoes and their craters provide critical information on their formation and eruptive history. (2020-07-20)
Uplifting of Columbia River basalts opens window on how region was sculpted
Information drawn from analyses of oxygen and hydrogen isotopes of materials from exposed Columbia River basalts has provided insights about how magma from volcanic eruptions millions of years ago shaped the region and why those eruptions did not trigger a global extinction event. (2020-07-17)
How volcanoes explode in the deep sea
Explosive volcanic eruptions are possible deep down in the sea -- although the water masses exert enormous pressure there. (2020-06-29)
3D magnetotelluric imaging reveals magma recharging beneath Weishan volcano
Researches have succeeded in obtaining a high-resolution 3D resistivity model of approximately 20 km depth beneath the Weishan volcano in the Wudalianchi volcanic field (WVF) for the first time. (2020-06-28)
New research reveals how water in the deep Earth triggers earthquakes and tsunamis
In a new study, published in the journal Nature, an international team of scientists provide the first conclusive evidence directly linking deep Earth's water cycle and its expressions with magmatic productivity and earthquake activity. (2020-06-24)
The Kerguelen oceanic plateau sheds light on the formation of continents
How did the continents form? Although to a certain extent this remains an open question, the oceanic plateau of the Kerguelen Islands may well provide part of the answer, according to a French-Australian team led by the Géosciences Environnement Toulouse laboratory (CNRS/Université Toulouse III-Paul Sabatier/IRD/CNES). (2020-06-19)
Scientists review the metallogenesis and challenges of porphyry copper systems above subduction zone
Porphyry copper ± molybdenum ± gold deposits (PCDs) are the most economically important magmatic-hydrothermal metallogenic system above subduction zones, which have supplied nearly 3/4 of the world's copper, 1/2 of the molybdenum and 1/5 of the gold, as well as large amounts of silver, zinc, tin and tungsten, with however their metallogenesis remaining controversial. (2020-06-15)
New hints of volcanism under the heart of northern Europe
Scientists have discovered new evidence for active volcanism next door to some of the most densely populated areas of Europe. (2020-06-09)
Study proves that magma chambers can be totally molten
The paper shows that basaltic magma chambers may develop as large bodies of crystal-free melts in the Earth's crust. (2020-06-09)
Chance of finding young Earth-like planets higher than previously thought
Research from the University of Sheffield has found that the chance of finding Earth-like planets in their early stages of formation is much higher than previously thought. (2020-06-05)
Study shows diamonds aren't forever
Two Tulane researchers were among a team of international experts who co-authored a paper that was published in the journal Nature on June 3. (2020-06-04)
Researchers reveal largest and hottest shield volcano on Earth
Researchers from the University of Hawai'i at Mānoa revealed the largest and hottest shield volcano on Earth--Pūhāhonu, a volcano within the Papahānaumokuākea Marine National Monument. (2020-05-14)
A tale of two kinds of volcanoes
At an idyllic island in the Mediterranean Sea, ocean covers up the site of a vast volcanic explosion from 3200 years ago. (2020-05-09)
Research reveals possibly active tectonic system on the Moon
Strange spots scattered across the Moon's nearside where bedrock is conspicuously exposed are evidence of seismic activity set in motion 4.3 billion years ago that could be ongoing today, the researchers say. (2020-04-30)
New study takes the pulse of a sleeping supervolcano
Under the volcanoes in the Andes where Chile, Argentina and Bolivia meet, there is a gigantic reservoir of molten magma. (2020-04-23)
Excessive rain triggered 2018 Kīlauea volcano eruption, study finds
Excessive and sustained rainfall triggered the 2018 eruption of Kīlauea volcano in Hawaii, according to researchers at the University of Miami (UM) Rosenstiel School of Marine and Atmospheric Science. (2020-04-22)
Study suggests rainfall triggered 2018 Kīlauea eruption
In May 2018 Kīlauea volcano on the island of Hawaii erupted, touching off months of intense activity. (2020-04-22)
A new tool to predict volcanic eruptions
Earth's atmosphere is made up of 78% nitrogen and 21% oxygen, a mixture that is unique in the solar system. (2020-04-15)
Wits researchers unravel the mystery of non-cotectic magmatic rocks
Research shows that an excess amount of some minerals contained in non-cotetic rocks may originate in the feeder conduits along which the magmas are travelling from the deep-seated staging chambers towards Earth's surface. (2020-04-02)
A Martian mash up: Meteorites tell story of Mars' water history
University of Arizona researchers probed Martian meteorites to reconstruct Mars' chaotic history. (2020-03-30)
Shifts in deep geologic structure may have magnified great 2011 Japan tsunami
Researchers say they have identified the origins of an unusual fault that probably magnified the catastrophic 2011 Japan tsunami. (2020-03-16)
Earth's mantle, not its core, may have generated planet's Early magnetic field
A trio of studies are the latest developments in a paradigm shift that could change how Earth history is understood. (2020-03-15)
UNM scientists find Earth and Moon not identical oxygen twins
Scientists at The University of New Mexico have found that the Earth and Moon have distinct oxygen compositions and are not identical in oxygen as previously thought according to a new study released today in Nature Geoscience. (2020-03-10)
Scientists create tool to detect genes associated with psychiatric, brain diseases
Scientists at the UNC School of Medicine and colleagues created a new computational tool called H-MAGMA to study the genetic underpinnings of nine brain disorders, including the identification of new genes associated with each disorder. (2020-03-09)
New study reveals the secret of magmatic rocks consisting of only one mineral
Geologists from Wits University in Johannesburg, South Africa, have come up with an original explanation of how nature may produce an intriguing class of magmatic rocks that are made up of only one type of mineral. (2020-03-02)
South American volcano showing early warning signs of 'potential collapse', research shows
One of South America's most prominent volcanoes is producing early warning signals of a potential collapse, new research has shown. (2020-02-18)
Viscosity measurements offer new insights into the earth's mantle
An international research group with Dr. Longjian Xie from the Bavarian Research Institute of Experimental Geochemistry & Geophysics (BGI) of the University of Bayreuth has succeeded for the first time in measuring the viscosity that molten solids exhibit under the pressure and temperature conditions found in the lower earth mantle. (2020-02-03)
No need to dig too deep to find gold!
Why are some porphyry deposits rich in copper while others contain gold? (2020-01-14)
Formation of a huge underwater volcano offshore the Comoros
A submarine volcano was formed off the island of Mayotte in the Indian Ocean in 2018. (2020-01-06)
Scientists find iron 'snow' in Earth's core
The Earth's inner core is hot, under immense pressure and snow-capped, according to new research that could help scientists better understand forces that affect the entire planet. (2019-12-19)
New insights into the formation of Earth's crust
New research from Mauricio Ibanez-Mejia at the University of Rochester gives scientists better insight into the geological processes responsible for the formation of Earth's crust. (2019-12-18)
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