Magmatism PDF
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This presentation provides an overview of magmatism, focusing on the formation and movement of magma beneath the Earth's surface. It explores volcanic processes and different types of volcanoes, from effusive to explosive eruptions.
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MAGMATISM MAGMATISM Formation and motion of magma under Earth's surface. MAGMATISM It plays a key role in mountain formation, since it produces additional mass and volume to the Earth’s surface and subsurface. MAGMA...
MAGMATISM MAGMATISM Formation and motion of magma under Earth's surface. MAGMATISM It plays a key role in mountain formation, since it produces additional mass and volume to the Earth’s surface and subsurface. MAGMA Molten or semi- molten rock under Earth's surface. LAVA Molten or semi- molten rock above Earth's surface. VOLCANISM PLUTONISM Formation of Formation of extrusive intrusive igneous igneous rocks rocks through the through the eruption of solidification magma onto of magma the surface beneath the of the Earth. Earth's surface. Volcanic gases mix with the atmosphere. Volcanic eruption of tephra (rock, ash, gas) or lava flows. Magma rises from below into storage region. Some crystals form and magma can stagnate. Magma rises, may stall and accumulate when reaching crust (underplating). Partial melting of mantle-the origin of magma. Volcanic eruption can be: Effusive Explosive (Lava flows) (ash and pyroclastic density currents) Volcanoes based on their nature of eruption cone-shaped; volcanic cinder come out from a single vent; has explosive eruptions like a fountain; lava cools quickly and falls as cinders that build up around the vent forming a cone shape, leaving a crater at the summit; and can be as high as 100 to 400 meters. SMITH VOLCANO or MT. BABUYAN, BABUYAN ISLAND strato-volcano; includes some of the world’s grandest mountains; tall conical mountain composed of an alternating layer of lava-flow caused by cluster of vents; eruptions are extremely explosive and dangerous; gases explode violently up to 100 to 3500 meters high. MOUNT BULUSAN, SORSOGON MOUNT VESUVIUS, ITALY MOUNT VESUVIUS, ITALY huge, gently sloped volcanoes that almost exclusively erupts basaltic lava; include some of the largest volcanoes in the world; eruptions are not explosive; the lava oozes out from the central vent or a group of vents and spreads far; builds a dome-shaped profile like a warrior’s shield; and can be as high as 9000 meters from the base. MOUNT KANLAON, NEGROS MAUNA LOA, HAWAII relatively small, circular mounds formed as the lava is too viscous to flow, which makes it piles over and around the vents. As the lava oozes out, its outer surface cools and hardens, then shatters, spilling loose fragments down its side. are found within the crater or on the sides of large composite volcanoes. Their height depends on the size of the composite volcanoes they appear around. Lava Type: Highly viscous, less fluid rhyolitic lava MOUNT HIBOK-HIBOK, CAMIGUIN Mount Saint Helens Before After Volcanoes Based on Their Frequency of Eruptions Active Volcanoes Those that have erupted in the last 10,000 years and are expected to erupt again at any time. Examples: Mount Etna in Italy and Mauna Loa in Hawaii. Volcanoes Based on Their Frequency of Eruptions Dormant Volcanoes Those that have not erupted in the last 10,000 years, but are likely to erupt after remaining inactive for a long period. Examples: Mt. Kilimanjaro in Africa and Mt. Fuji in Japan. Volcanoes Based on Their Frequency of Eruptions Extinct Volcanoes Those that were active in the past, but have not erupted in the last 10,000 years and are not likely to erupt in the present or the future. CAPULIN VOLCANO, NEW MEXICO MOUNT IRAYA, BATANES CONTENTS OF THIS TEMPLATE Here’s what you’ll find in this Slidesgo template: 1. 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You can delete this slide when you’re done editing the presentation. TABLE OF CONTENTS 0 0 0 1 SECTION You can describe the 2 SECTION You can describe the 3 SECTION You can describe the topic of the section topic of the section topic of the section here here here 0 0 0 4 SECTION You can describe the 5 SECTION You can describe the 6 SECTION You can describe the topic of the section topic of the section topic of the section here here here 0 NAME OF THE SECTION 1 You can enter a subtitle here if you need it VOLCANIC ERUPTION VOLCANO ERUPTION Mercury is the closest Venus has a beautiful planet to the Sun and the name and is the second smallest one in the Solar planet from the Sun. It’s System—it’s only a bit hot and has a poisonous larger than the Moon atmosphere MAIN VOLCANO CONSEQUENCES MERCURY VENUS MARS It’s the closest planet Venus has a beautiful Despite being red, Mars to the Sun and the name and is the second is actually a cold place. smallest one in the planet from the Sun It’s full of iron oxide Solar System dust VOLCANIC ISLANDS Do you know what helps you make your point clear? Lists like this one: They’re simple You can organize your ideas clearly You’ll never forget to buy milk! And the most important thing: the audience won’t miss the point of your presentation SECONDARY VOLCANO CONSEQUENCES VENUS MARS JUPITER SATURN Venus is the Despite being red, It’s the biggest Saturn is a gas second planet Mars is a cold planet in the giant and has from the Sun place Solar System several rings ANOTHER NATURAL DISASTERS MERCURY VENUS MARS It’s a very small It has a beautiful It’s a very cold planet name place JUPITER It’s a very big SATURN NEPTUNE It’s far away from It has several rings planet Earth A PICTURE IS WORTH A THOUSAND WORDS AWESO ME WORDS 9h 55m 23s Is Jupiter's rotation period 333,000.000 Earths is the Sun’s mass 386,000 km Is the distance between Earth and the Moon VOLCANO PARTS CRATER Write the description MAGMA CONE Write the Write the description description 2ND MAGMA CONEWrite the Write the description description CHIMNEY CRUST Write the Write the description description CHAMBER MANTLE Write the Write the description description THE DEADLIEST VOLCANOES Number of people who died in the eruption MARTINI COLOMBI GUATEM INDONES QUE May 8, 1902 A November ALA24, March October IA 15, Follow the link in the graph13, 1985 its data and to modify 1902 1909 then paste the new one here. For more info, click here 123,456,7 89 Big numbers catch your audience’s attention VOLCANIC TERRAIN You can give a brief description of the topic you want to talk about here. For example, if you want to talk about Mercury, you can say that it’s the smallest planet in the entire Solar System THE MOST DANGEROUS VOLCANOES NOVARUP ETNA TA U.S. Italy ST. MOUNT HELENS U.S. FUJI Japan MOUNT VESUVIUS RAINIER U.S. Italy POPOCATÉ MOUNT PETL Mexico AGUNG Indonesia WHO A!This can be the part of the presentation where you introduce yourself, write your email… THE HIGHEST VOLCANOES LAST TALL NAME COUNTRY ERUPTION Argentina / 1 6,891 m Ojos del Salado 1,500 years ago Chile 2 6,795 m Monte Pissis Extinct Argentina Cerro Bonete 3 6,759 m Chico Extinct Argentina Nevado Tres Argentina / 4 6,748 m Cruces Activ Chile Argentina / 5 6,739 m Llullaillaco 1877 Chile DESKTOP SOFTWARE You can replace the image on the screen with your own work. Just right-click on it and select “Replace image” HOW DO VOLCANOES ERUPT? MARS Mars is VENUS actually a JUPITER Venus has a very cold It’s the MERCURY beautiful place biggest planet SATURN It’s the closest name of them all Saturn has planet to the several Sun rings THAN KS Do you have any questions? [email protected] +91 620 421 838 yourcompany.com CREDITS: This presentation template was created by Slidesgo, including icons by Flaticon, infographics & images by Freepik Please keep this slide for attribution NATURAL DISASTERS ICON PACK ALTERNATIVE RESOURCES Here’s an assortment of alternative pictures whose style fits the one of this template. Photos Clouds seen from a mountain Full frame shot of rock RESOURCES Did you like the resources on this template? Get them for free at our other websites. 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