Types of volcano eruption patterns slide 6 did you know. When magma reaches earths surface it is termed lava. Cajz encyclopedia of life support systems eolss almost all geology is ultimately related to the internal heat of the earththe internal engine driving plate motion, earthquakes, orogeny, and volcanism. There are fun animations, diagrams and some useful links to videos and websites that learners can access as a follow up activity. The purpose of this powerpoint is to summarize key facts and information about the different types of volcanoes and lava. The definition of a volcano is discussed, and a new encompassing version is provided. Volcanism within oceanic plate tectonic boundaries is expansive and complex. If you continue browsing the site, you agree to the use of cookies on this website. Volcanic activity occurs when magma, molten rock below earths surface, rises to the surface through pipes and fissures fractures in earths crust. Part or all of this report is presented in portable document format pdf. Dec 23, 2019 volcanism types four types of volcanism can be identified.
Our project consisted of researching the types of volcanic features in our solar system, and what led them to occur. Tsunamis plate tectonics earthquakes and volcanoes figure 11. Volcanism, any of various processes and phenomena associated with the surficial discharge of molten rock, pyroclastic fragments, or hot water and steam, including volcanoes, geysers, and fumaroles. Lecture notes and graphic illustrations are compiled from various sources. Theyll give your presentations a professional, memorable appearance the kind of sophisticated look that todays audiences expect. Volcanoes and volcanic eruptions tulane university. Incidentally, the volcano called dantes peak was a 10mhigh model built of wood and steel. Theyll give your presentations a professional, memorable appearance the kind of sophisticated look that. This socalled intraplate volcanism is expansive both in scale and across the geological record. A few volcanoes 16, such as stromboli and mount etna of italy, have erupted continuously for over 20 years. It includes all phenomena resulting from and causing magma within the crust or mantle of the body, to rise through the. This is largely due to the fact that generally not all three records can be observed within the same stratigraphic sequence, or the sedimentary record is incomplete. Any activity that involves movement of magma toward or onto the surface of the earth is volcanism most magma formed at plate boundaries slide 4. Volcanism types four types of volcanism can be identified.
Each of these simple and fun video lessons is about five minutes. Glossary bomb a lump of rock thrown out in an eruption crater a deep hollow at the top of a volcano crust the top layer of the earth eruption the release of gases, magma and rock from a volcano lava melted rock that flows down the volcano magma melted rock inside the earth molten melted, liquid vent a crack on. Pdf tectonics, sedimentation and volcanism in the east. Volcanism and volcanoes volcanism is one of the most impressive displays of earths dynamic internal processes. A place on the earths surface or any other planet where molten rock and gases are erupted. Students will gain an understanding of volcanoes and volcanism. Volcanism is the phenomenon of eruption of molten rock onto the surface of the earth or a solidsurface planet or moon, where lava, pyroclastics and volcanic gases erupt through a break in the surface called a vent. Tectonics, sedimentation and volcanism in the east african. Select the years according to the region of the eruption north, south, tropical after stevenson et al. Zones of volcanism volcanism describes all processes associated with the discharge of magma, hot fluids, and gases most volcanoes form at plate boundaries. For example, it was thought that the volcanic island vulcano off the coast of italy was a smoke stack for vulcan, the roman god of fire and metalworking. Feb 11, 20 an introductory powerpoint to volcanoes providing some basic and fun facts for learners that will hopefully encourage them to continue their research independently. Winner of the standing ovation award for best powerpoint templates from presentations magazine. During an eruption, volcanic processes often occur simultaneously or sequentially.
Great for new teachers, student teachers, homeschooling and teachers who like creative ways to teach. On average this presentation on volcanoes should run approximately 45 to 2 hours of class time. I teach the essential standards for science and this lesson aligns to 1. Ppt volcanoes and volcanism powerpoint presentation. The rediscovery of mass extinction the 1980s 1980 the alvarez hypothesis 1982 the big 5 raup and sepkoski 1984 26 my periodicity raup and sepkoski mass extinction any substantial increase in the amount of extinction i. Endogenetic processes resulting in volcanic eruptions are discussed and exemplified. Volcanism geography lecture 6 upsc notes edurev is made by best teachers of upsc. This powerpoint on volcanoes can be used for any late elementary if modified, middle, or early high school science classgrade. From a human perspective, volcanism can be a destructive force causing property damage, injuries, fatalities, and atmospheric changes. Gases and rock shoot up through the opening and spill over or fill the air with lava fragments. Exhalative volcanism vapour or fumes effusive volcanism lava outpouring explosive volcanism violent ejection solid material subaqueous volcanism exhalative volcanism vapour or fumes this includes the discharge of material in gaseous forms, such as steam, fumes and hydrochloric acid ammonium chloride sulphur dioxide carbon. The volcanoes associated with convergent plate boundaries. Volcanism is the phenomenon of eruption of molten rock magma onto the surface of the earth or a solidsurface planet or moon, where lava, pyroclastics and volcanic gases erupt through a break in the surface called a vent. The discussion focuses on the observations that volcanism is a selfsimilar process that ranges many orders of.
Ppt volcanoes powerpoint presentation free to download. Today, volcanic eruptions make the news when they occur. The volcanism chapter of this glencoe earth science course helps students learn essential earth science lessons about volcanoes. Pdf documents opened from your browser may not display or print as intended. The character of the resulting eruption is dependent upon the viscosity the resistance to flow of the magma. Volcanic activity is controlled by tectonic activity kampunzu etsl. Pdf volcanology, magma, volcanoes and volcanic hazards. The majority of active terrestrial volcanoes and related phenomena occur where two tectonic plates meet. The global volcanism network of the smithsonian institution and the us geological survey a volcano is not made on purpose to frighten superstitious people into fits of piety and devotion, nor to overwhelm devoted cities with destruction. All about volcanoes information powerpoint parents.
Extrusive igneous activity brendan hanger class 07. Worlds best powerpoint templates crystalgraphics offers more powerpoint templates than anyone else in the world, with over 4 million to choose from. Jul 08, 2010 the global volcanism network of the smithsonian institution and the us geological survey a volcano is not made on purpose to frighten superstitious people into fits of piety and devotion, nor to overwhelm devoted cities with destruction. Times new roman arial wingdings comic sans ms mountain top slide 1 slide 2 where do volcanoes happen. For best results viewing and printing pdf documents, it is recommended that you download the documents to your computer and open them with adobe reader. Lecture outlines powerpoint chapter 9 tarbucklutgens. These are given throughout the text, including in the power point slide set, and. It ranges from seamounts not taller than a few hundred meters to 5km high shield volcanoes covering surface areas equivalent to the state of new mexico in the united states. If so, share your ppt presentation slides online with.
It includes all phenomena resulting from and causing magma within the crust or mantle of the body, to rise through the crust and form volcanic rocks on the surface. Historical volcanism and the state of stress in the east. A volcano is a mountain that opens downward to a pool of molten rock below the surface of the earth. A most vexing problem has been that of determining the correspondence between mass extinctions, impacts and volcanism. Volcanic settings shield and composite volcanoes effusive eruptions generally at hots spots, spreading centers mantly comes directly to surface hot lava. Today, we look more closely at igneous rock and how it forms from volcanoes. In particular, the dating ofthe lavas helps to calibrate the stratigraphy of rift sediments yamba and boven, 1998. Mg rich volcanism the ancien hightemperature lavas on earth are rich in mg spectral data shows absorption band at 900nm in dark patches orthopyroxene spectra io is an ultramafilc world. When the rocks on the surface can no longer hold the hot rock below, the volcano.
Understanding volcano hazards and preventing volcanic disasters. An introductory powerpoint to volcanoes providing some basic and fun facts for learners that will hopefully encourage them to continue their research independently. This lesson plan and slide presentation is to be used in conjunction with 1 x volcano teacher briefing 1 x volcano teacher fact sheet 1 x volcano class work sheet lesson overview. As the plate subducts, the friction melts rock, as the crust enters the asthenosphere, it melts magma that reaches the surface is lava, the opening is called a vent, volcanic material built up around. Volcanism presentation 1 free download as powerpoint presentation. This document is highly rated by upsc students and has been viewed 21 times. The discussion focuses on the observations that volcanism is a. Volcanoes are often coneshaped, but they can take other shapes too. This worksheet set has plenty of great printables for you. It is helpful to use this alongside our volcanoes shorts animation. Tectonics, sedimentation and volcanism in the east african rift system.
From a geologic perspective, volcanism is a constructive process that builds oceanic. Exhalative volcanism vapour or fumes effusive volcanism lava outpouring explosive volcanism violent ejection solid material subaqueous volcanism exhalative volcanism vapour or fumes this includes the discharge of material in gaseous forms, such as steam, fumes and hydrochloric acid. Historical volcanism and the state of stress in the east african rift system. Ppt volcanoes and volcanism powerpoint presentation free. Vulcanian style eruption from tavurvur volcano, papua new guinea. We help students discovery the anatomy of a volcano and how they are formed. Chapter 10 volcanoes our early ancestors created stories to explain volcanic eruptions. Volcanoes and volcanism is the property of its rightful owner. Explosive, strombolian, vulcanian, plinian, pelean. Volcanism and rifting in the western rift branch the investigation of volcanism in a rift setting gives valuable information on the evolution of rifting. Plate tectonics and igneous activity plate motions provide the mechanism by which mantle rocks melt to form magma intraplate igneous activity.
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