搜索结果: 1-15 共查到“地质学 magma”相关记录29条 . 查询时间(0.047 秒)
Precise magma locations aid volcanic eruption forecasts（图）
岩浆位置 火山喷发 预测
font style='font-size:12px;'>
2023/5/18
Cornell researchers have unearthed precise, microscopic clues to where magma is stored, offering scientists – and government officials in populated areas – a way to better assess the risk of volcanic ...
Crystals once deep inside a volcano offer new view of magma,eruption timing
Crystals deep inside a volcano eruption timing
font style='font-size:12px;'>
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
font style='font-size:12px;'>
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
font style='font-size:12px;'>
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
font style='font-size:12px;'>
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...
Enormous dome in central Andes driven by huge magma body beneath it
Enormous dome central Andes driven huge magma body beneath
font style='font-size:12px;'>
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
font style='font-size:12px;'>
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...
Yellowstone magma discovery
Yellowstone magma
font style='font-size:12px;'>
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...
Formation of a laccolith by magma pulses: Evidence from modal and chemical composition of the 500 m long borehole section through the Permo-Carboniferous Landsberg laccolith (Halle Volcanic Complex)
laccolith formation magma pulses rhyolite Halle Volcanic Complex
font style='font-size:12px;'>
2017/4/10
The 500 m long section through the upper part of the Permo-Carboniferous Landsberg laccolith (Halle Volcanic Complex)
was sampled every 25 meters. The modal proportions between plagioclase and K-feld...
Icelandic volcano sits on massive magma hot spot（图）
hot spot Icelandic
font style='font-size:12px;'>
2014/12/1
amounts of erupting lava are connected to the destruction of supercontinents and dramatic changes in climate and ecosystems.
New research from UC Davis and Aarhus University in Denmark shows that hig...
Icelandic volcano sits on massive magma hot spot
The Icelandic volcano hot spot
font style='font-size:12px;'>
2014/10/30
New research from UC Davis and Aarhus University in Denmark shows that high mantle temperatures miles beneath the Earth’s surface are essential for generating such large amounts of magma. In fact, the...
World's first magma-enhanced geothermal system created in Iceland（图）
magma-enhanced geother
font style='font-size:12px;'>
2014/3/18
RIVERSIDE, Calif. — In 2009, a borehole drilled at Krafla, northeast Iceland, as part of the Icelandic Deep Drilling Project (IDDP), unexpectedly penetrated into magma (molten rock) at only 2100 meter...
Newer Dolerite dykes, Jharkhand, India: a case study of magma generation, differentiation and metasomatism in a subduction zone setting
Newer Dolerite subduction clouded plagioclase decompression mantle
font style='font-size:12px;'>
2017/4/11
The NE-SW, NW-SE and E-W trending Proterozoic Newer Dolerite dykes around Chaibasa, Jharkhand, India are
found to intrude Singhbhum Granites of late Archean age. Clouded plagioclase, bastitised ortho...
Fractional Crystallization and Magma Mingling/Mixing Processes in the Monzonitic Association in the SW Part of the Composite Yozgat Batholith (Şefaatli-Yerköy, SW Yozgat)
Composite Yozgat batholith fractional crystallization magma mingling/magma mixing S type I type Mtype assosiations
font style='font-size:12px;'>
2009/7/8
The Yozgat batholith takes place in the passive margin of the Anatolide-Pontide convergence system. It includes; syn-collisional S-type, two-mica granites; post-collisional I-type, calcalkaline monzon...
Clinopyroxene Compositions of the Isotropic Gabbros From the Sarıkaraman Ophiolite: New Evidence on Supra-Subduction Zone Type Magma Genesis in Central Anatolia
Clinopyroxene Ophiolite Chemistry Turkey
font style='font-size:12px;'>
2009/7/8
The Sarıkaraman Ophiolite is one of the least dismembered ophiolitic units of the allochthonous Central Anatolian Ophiolites, which retains its recognizable pseudostratigraphy. The Sarıkaram...