Results 11 to 20 of about 824,803 (284)
Distict element numerical modelling of volcanic debris avalanche emplacement geomechanics. [PDF]
Catastrophic collapse of volcanic edifices is a relatively common phenomenon in the geological record, representing the largest subaeriallandsliding events on Earth.
Thompson, Nicholas Darrell
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Volcanic and sedimentary processes in phreatomagmatic volcanoes [PDF]
Phreatomagmatic volcanoes form when ascending magma explosively interacts with surface or groundwater at shallow depths. Three types of phreatomagmatic activity are recognised- phreaticp phreatomagmatic (s. s. ) and surtseyan - based on the degree of
Leys, C.A., Leys, Clyde Andrew
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How will melting of ice affect volcanic hazards in the 21st century? [PDF]
Glaciers and ice sheets on many active volcanoes are rapidly receding. There is compelling evidence that melting of ice during the last deglaciation triggered a dramatic acceleration in volcanic activity.
Tuffen, Hugh
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To understand the planar and three-dimensional geometry of hydraulic fractures in volcanic rocks, a hydraulic fracturing simulation experiment was conducted using the large-scale triaxial hydraulic fracturing test system in laboratory.
Lichun JIA +7 more
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Modal classifications of common volcanic rocks are expensive, difficult, or impossible to attain. As a consequence, these rocks are classified using the chemical composition.
JOÃO O.S. SANTOS, LÉO A. HARTMANN
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Electric charge within volcanic plumes on Earth and Io [PDF]
Field, experimental and theoretical investigations have been carried out into the electrification of volcanic plumes. At Sakurajima volcano, Japan, ground-level perturbations of the atmospheric electric potential gradient generated by particulate plumes ...
James, M.R., James, M. R.
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Geomechanical characterization of volcanic rocks using empirical systems and data mining techniques
This paper tries to characterize volcanic rocks through the development and application of an empirical geomechanical system. Geotechnical information was collected from the samples from several Atlantic Ocean islands including Madeira, Azores and ...
T. Miranda +4 more
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Intermediate-felsic volcanic rock has porphyritic texture and the matrix is characterized by microlitic, cryptocrystalline and vitreous textures. There will be errors when identifying and classifying the rocks using only a polarizing microscope because ...
XU Cui +5 more
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The structural lineaments developed in the Kulon Progo Mountains, which is mainly composed of Tertiary volcanic rocks. The direction and distribution of these lineaments density differs from one area to another.
Widagdo Asmoro +2 more
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