PPT-Insights on mantle melting below Osorno Volcano (Southern Volcanic Zone, Chile)

September 2021 Geologica Belgica Tervuren Tonin Bechon ULG Melvyn Billon ULG Olivier Namur KUL Olivier Bolle ULG Paul Fugmann ULG Jacqueline Vander Auwera ULG. Chapter 5. Rigid Earth to Plate Tectonics. Learning Objectives. Know the different types of volcanoes and their associated features. Understand the relationship of the volcanoes to plate tectonics. Know what geographic regions are at risk from volcanoes. zone zonezone zone zone zone zone N Volcanic Eruptions. 1. Why Volcanoes Erupt:. The F of expanding gas builds and pushes magma through the vent. 2. Major Factors in Eruptions:. a. The amount of trapped gas. CO. 2. and Sulfur. b. Silica Content. Vocabulary. Crater. – bowl-shaped formation at the top of a volcano. Caldera. – large crater formed by the collapse of a volcano during a violent eruption. Active Volcano. – . a volcano that has erupted in the past 10,000 years, may be currently erupting, and is expected to erupt again.. Matt Jackson . and . Bill . McDonot. Sr-Nd. isotope plot. Global OIB (ocean island basalts, hotspots) and MORB (mid-ocean ridge basalt). We will model . Sr-Nd. isotopic evolution by crust-mantle differentiation.. Toba the super volcano is considered an unknown phenomenon of the world. It erupted around 74,000 years ago and nearly made the entire human population extinct. It has erupted explosively a number of times over the past 1.2 millions years on the island of Sumatra in Indonesia.. By Karanasiou Katerina B1. 07/02/2017. Volcano…. Volcano is open passageway from the interior of the Earth that allows blast rock and gases from the interior to the cortex surface in the form of lava. This activity creates mountains. 1. An opening in Earth’s crust through which molten rock, ash and gases erupt.. 2.Volcano: The landform that develops around the opening.. 3. A way for Earth to release heat energy from the interior due to radioactive decay.. Station 1. A volcano is a place where magma reaches the surface due to its lower density. A volcano is a “. window. ” into the earth’s interior. They allow us to study material that comes . from deep within the crust and possibly from . IVATF/1-WP/20 - 2 -2. DISCUSSION 2.1 Funding of volcano observatories 2.1.1 The task force will note that the fifth meeting of the International Airways Volcano Watch Operations Group (IAVWOPSG) cal to September 22. 1. Wk. 2 Day 1. Before: Question of the Day. What 3 factors control the style of a volcanic . eruptions?. During: Notes. After: Exit Slip. 2. Three Types of Volcanoes. Shield. Cone. Composite. Active volcanos. Subduction zone volcano. Spreading volcanos. Atlantic rift near Iceland. Iceland on a spreading axis. Earthquakes. at volcanos. Earthquakes types at volcanos. Earthquake swarm at a volcano. Magma is a mixture of molten rock, volatiles and solids that is found beneath the surface of the Earth.. In some instances, it solidifies within the crust to form . plutonic rocks. . In others, it erupts onto the Earth’s surface to form . Monitoring Volcanic Activity. Signs of Volcanic Activity. Eruption history. Volcanic gas emission. Heat and hydrothermal activity. Earthquakes. Ground deformation – uplift and / or sinking . Monitoring.