PPT-What is a volcano?

1 A volcano is a fault in earths crust that allows magma to escape 2 We call the release of magma an eruption How does that work 3 Magma is the layer of melted rock that lies just below earths crust. Cora Stone. Important Information. Location: Ararat is in Turkey.. Elevation: 16,940 ft 5,165. Type of cone: Ararat is a Composite Cone.. Insert picture below:. Is it erupting?. My volcano is . dormant. Objectives. 1. To learn the structure of a volcano. 2. To know that volcanoes can be dormant, active and extinct. key words. Earthquake, volcano, plate margin, plates.. Structure of a Volcano.. Structure of a Volcano.. 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. Alaska, USA. Mollie Taylor and . Ilana. . Zyatitsky. Department of Geology, Colby College. Professor Robert Nelson – Jan Plan 2015. Geographic Setting. 60°29’N 152°44’W. 177 km SW of . Anchorage . Earth Science Fall . 2012 . Vocabulary: . aa. – jagged chunks of lava formed by rapid cooling on the surface of the lava flow . Vocabulary:. Caldera- large basin-shaped depression formed when an explosion destroys the upper part of a volcanic cone or when the magma chamber below a volcano is emptied during an eruption. A volcano is a fault in earth’s crust that allows magma to escape.. We call the release of magma an eruption.. How does that work?. Magma is the layer of melted rock that . lies just below earth’s crust.. Eruption!. www.oxfordsparks.net/volcano. Volcanoes . often . show physical or chemical signals before an . eruption. These signals allow volcanologists to monitor active . volcanoes, and perhaps predict a future . Directions : Define the following terms.. 1. Magma chamber. 1. Magma collects in a pocket beneath a volcano. 2. pipe. 2. A long tube through which. magma moves from the chamber to the surface.. 3. vent. By Daily Mail Reporter. 3rd May 2011. For the first time in history scientists have descended 650ft into the magma chamber of a volcano.. These incredible images show one explorer gently lowering himself into the heart of the dormant . 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 . A Commission of the International Association of Volcanology and Chemistry of the Earth’s Interior WOVO – the case for support Gill Jolly, Peter Webley , Susanna Falsaperla World Organization o TITLE: AUTHORS (FIRST NAME, LAST NAME): Alexander Belousov 1, 3 , Marina Belousova 1, 3 , Akhmad Zaennudin 2 , Oktory Prambada 2 INSTITUTIONS (ALL): 1. Earth Observatory of Singapore, Singapore, S 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. Classification: . Series of overlapping shield and stratovolcanoes. Formation: . North-South trending active fault movement related to subduction of the Juan de Fuca and . Groda. plates beneath the North American Plate..