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Shapes of igneous bodies
Shapes of igneous bodies

... Extrusive bodies – Pyroclastic Landforms Pyroclastic Deposits include – volcaniclastic – formed by volcano (process irrelevant) - pyroclastic – formed from magma/lava aerially expelled from vent - lahar – volcanic debris mixed with water/melting ice or snow Pyroclastic Fall Deposits – material falls ...
a geological-petrological model of the karymsky volcanic center
a geological-petrological model of the karymsky volcanic center

... two-pyroxene andesites. Granitoid xenoliths which according to Ar40/Ar39 method have the age of 0,34-0,055 million years are the intrusive analogues of andesites and dacites. They represent fragments of near-surface intrusive bodies part of which, apparently, was at an elevated temperature. The dept ...
Devastating landslides related to the 2002 Papandayan eruption
Devastating landslides related to the 2002 Papandayan eruption

... Papandayan is an A-type active strato volcano located at some 20 km SW of Garut or about 70 km SE of Bandung the capital city of West Java Province. Geographically, the summit of this volcano lies at the intersection between 07º 19’ 42” S and 107º 44” E. The 2002 Papandayan eruption was preceded by ...
Debris Avalanches
Debris Avalanches

... ƒ Mud flows have the consistency of wet cement ƒ Travel along valleys at 20-40 mph for up to 200 miles. ƒ Destroy or bury almost everything in their path. ƒ They are the second most destructive volcanic hazard (after pyroclastic flows and surges) and are responsible for 27,000 deaths since 1600 A.D. ...
Composite volcanoes
Composite volcanoes

... • When magma reaches the surface it depends on how easily it flows (viscosity) and the amount of gas (H2O, CO2, S) it has in it as to how it erupts. • Large amounts of gas and a high viscosity (sticky) magma will form an explosive eruption! – Think about shaking a carbonated drink and then releasing ...
Chapter 11 Earthquakes and Volcanoes Outline
Chapter 11 Earthquakes and Volcanoes Outline

... b. Formed from violent explosions or eruptions c. Cones not high 2. Shield volcanoes a. Composed of quiet lava flows b. Forms dome-shaped mountains 3. Composite volcanoes a. Composed of alternating layers of rock particles and lava b. Forms from violent eruption first c. Quiet eruption follows d. La ...
magma chamber - Madison County Schools
magma chamber - Madison County Schools

... Stages of Volcanic Activity • The Jackson Dome is an extinct volcano that was once a small island in the middle of the ocean that covered most of the southeastern United States some 70 million years ago. ...
magma and lava
magma and lava

... This information should come right from your Note Packet 2 as well as the activity where you described each type of volcano. Composite  Steep sloped sides  Very tall, 1000s of feet  Very explosive eruptions, sometimes quiet eruptions (alternating for the most part)  Made up of alternating layers ...
Volcanoes13 - PAMS-Doyle
Volcanoes13 - PAMS-Doyle

... hot volcanic debris engulfed the cities of Pompeii, Herculaneum and Stabiae suffocating the inhabitants and burying the buildings. ...
What IS A VOLCANO?
What IS A VOLCANO?

... hot or cold mixture of water and rock fragments flowing down the slopes of a volcano and (or) river valleys. It’s mud. When moving, a lahar looks like a mass of wet concrete that carries rock debris ranging in size from clay to boulders. • Can lead to increased deposition (sediments on the ground/bo ...
Volcanic Activity
Volcanic Activity

... than the surrounding solid material.  It will rise until it reaches the surface or becomes trapped beneath layer of rock. ...
Volcanoes Power Point - Boone County Schools
Volcanoes Power Point - Boone County Schools

... Gas Monitoring • Commonly gas output from a volcano increases or changes composition before an eruption. – As magma rises to the surface it releases (exsolves) much of its gas content. – This can be measured ...
The Restless Earth Revision - Geography
The Restless Earth Revision - Geography

... France, Switzerland. ...
Earthquakes and Volcanoes
Earthquakes and Volcanoes

... blown into the air. Narrow bases with steep sides due to loosely arranged cinder type eruptions. ...
Section 1 - kjpederson
Section 1 - kjpederson

... 5. pahoehoe: a hot, fast-moving type of lava that hardens to form smooth, ropelike coils 6. physical property: any characteristic of a substance that can be observed or measured without changing the composition of the substance 7. silica: a material found in magma that is formed from the elements ox ...
EXTRUSIVE VOLCANIC LANDFORMS inc.Mont
EXTRUSIVE VOLCANIC LANDFORMS inc.Mont

... such as scoria, pumice and ash. As one moves away from a volcano, the tephra deposits become finer grained (the particles are smaller) and thinner. This is because small particles stay aloft longer and stay within the eruption cloud for a greater distance from the volcano. ...
Study Guide: Earthquakes and Volcanoes
Study Guide: Earthquakes and Volcanoes

... 1. Different types of dangers associated with earthquakes and how the earthquake causes those dangers ...
Long ago in Mexico, a great Aztec king had a daughter named
Long ago in Mexico, a great Aztec king had a daughter named

... burying cities. But volcanoes can also create new land, and their ash helps keep soil healthy. ...
Volcano Menu
Volcano Menu

... *Form as a result of subduction. ...
Lecture 21 Mount St Helens November 29th
Lecture 21 Mount St Helens November 29th

... Map showing debris avalanches (brown) associated with all of the Hawaiian volcanic islands (green). Note how they have traveled up to 200 km from their source. ...
Volcanic
Volcanic

... Intrusive igneous rocks are often more resistant to erosion, so they are topographic highs ...
HST_CRF_04_02_03.qxd
HST_CRF_04_02_03.qxd

... 5. Which of the following can happen during an explosive volcanic eruption? calm lava flows hot debris, ash, and gas shooting into the air a rainbow lava fountains 6. What is ash? flowing lava tiny, dust-sized bits of rock big chunks of rock a gas WHAT IS INSIDE A VOLCANO? 7. What is a vent? a magma ...
Created with Sketch. Who`s on your team?
Created with Sketch. Who`s on your team?

... 3. As a class, brainstorm and discuss the priorities of a disaster response team or operations centre:  Before eruption – early warning based on scientific information; evacuation of affected areas.  After eruption – keeping people safe; looking after life, then law and order, then utilities; rest ...
volcanism - Geophile.net
volcanism - Geophile.net

... the Shuttle Radar Topography Mission (SRTM) to provide a view of Nyiragongo Volcano (right of center) and the city of Goma (pink area along shoreline in foreground), located in the Democratic Republic of Congo ...
composite volcanoes - Mesa Public Schools
composite volcanoes - Mesa Public Schools

... A sleeping giant awoke on May 18, 1980. An enormous blast blew off the top and side of this mountain in Washington state. There had been warnings of volcanic activity in the form of earthquakes and venting of steam for two months. Mount St. Helens had been dormant since 1831. Mt. St. Helens blew a c ...
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