Results 31 to 40 of about 2,155,550 (190)
Meeting society's transport needs under tight budgets [PDF]
, 2011 In the aftermath of the 2008 financial crisis, both the private and public sectors face stringent constraints in funding for transport infrastructure investment and transport services.
International Transport Forum, OECD
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Frontiers in Earth Science, 2019 Large-volume silicic volcanism poses global hazards in the form of proximal pyroclastic density currents, distal ash fall and short-term climate perturbations, which altogether warrant the study of how silicic magma bodies evolve and assemble.
Jakub Sliwinski +4 more
doaj +1 more source
Melt stripping and agglutination of pyroclasts during the explosive eruption of low viscosity magmas
Nature Communications, 2022 The pyroclast properties and features can provide insights into the dynamics of explosive eruptions of low viscosity magma. Here, the authors show how lava droplets, or pyroclasts are subject to melt removal and melt addition during transport in a gas ...
Thomas J. Jones +3 more
doaj +1 more source
On the long-distance transport of Ferrar magmas [PDF]
Geological Society, London, Special Publications, 2008 Abstract The distribution and geochemical relationships of the Early Jurassic Ferrar large igneous province (LIP) are examined and it is concluded that they support the lateral flow model for the emplacement of the province, with a source along the strongly magmatic Early Jurassic Antarctica–Africa rifted margin.
openaire +1 more source
Seismic Imaging of a Magma Chamber and Melt Recharge of the Dormant Datong Volcanoes
Earth and Space Science, 2021 The Datong volcanoes erupted episodically from ca. 0.74 to ca 0.10 Ma with the last eruption at ca. 100 ka, and ever since has remained dormant. It remains elusive whether the Datong volcanoes are being recharged and would become active again in the near
Lipeng He +4 more
doaj +1 more source
Asia-Pacific Journal of Chemical Engineering, EarlyView.ABSTRACT This research paper provides an extensive study of the effects of Darcy–Forchheimer von‐Karman spinning flow of Maxwell fluid across a stretching disk including the effect of heat generation based on a nonlinear function of temperature. The flow system is influenced by thermal radiations and Arrhenius activation energy.
Ebrahem A. Algehyne +6 more
wiley +1 more source
Geological Journal, EarlyView.Coupled dissolution‐reprecipitation of early formed Cd‐, Fe‐, Ag‐ and Sb‐poor sphalerite through interaction with high‐temperature and high‐sulphur fugacity Cu‐rich fluids, responsible for the formation of the yellow ores, resulted in the formation of Cd‐, Fe‐, Ag‐ and Sb‐rich, heavily chalcopyrite‐diseased sphalerite and enrichment of critical metals ...
Manuel Nopeia +4 more
wiley +1 more source
Ocean Circulation on Tide-locked Lava Worlds. II. Scalings
The Planetary Science JournalOn tidally locked lava planets, a magma ocean can form on the permanent dayside. The circulation of the magma ocean can be driven by stellar radiation and atmospheric winds.
Yanhong Lai, Wanying Kang, Jun Yang
doaj +1 more source
Geological Journal, EarlyView.Early zircon saturation and crystallisation occur in mafic (52–54 wt.% SiO2) lavas at Tengchong volcanic field. These early formed zircons with high δ18O (6.6‰–7.9‰) indicates mantle enrichment by subducted supracrustal materials. ABSTRACT Late Pleistocene (< 0.2 Ma) mafic and evolved volcanic rocks occur in northern Tengchong Volcanic Field, SE ...
Lizhu Wang, Haibo Zou
wiley +1 more source
Transport outlook 2010: The potential for innovation [PDF]
, 2010 This paper provides evidence on and discussion of recent developments in global transport markets and analyzes what policies look most promising for stabilizing CO2-emissions from light-duty vehicles.
International Transport Forum, OECD
core +1 more source