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FIELD TRIP Viernes, Oct 12th Andesitic sequence breccias, falls
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High heat flow arc of active volcanoes (andesitic) Bordered by a submarine trench ... Active volcanoes (andesite to rhyolite) Often accompanied by ...
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Most likely form as the end product of crystallization of andesitic magma ... Plutonic (intrusive) equivalent of andesite. Coarse grained ...
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... that atoms don't have enough time to get together, bond and form ... High SiO2. Low Fe & Mg. Light colored, less dense. On the continents. Andesitic Rocks ...
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E3.4A - Use the distribution of earthquakes and volcanoes to locate and ... located on the margins of the ocean basins (intermediate, andesitic composition) ...
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Homework Metamorphic rock lab due Monday Read section 9.3 Q s 1-4 on pg 201 * Definitions Section 9.2 Magma and Erupted Materials Viscosity: A substance s ...
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Igneous Rocks Hot rocks/Fire Rocks Igneous Rock Igneous rocks form when: molten rock cools and solidifies. Igneous Rocks Molten rock is called magma when it is below ...
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Volcanic Activity Chapter 18.1 Magma Magma is a mixture of molten rock, minerals and gasses. Magma forms when rock melts at 800 C to 1200 C Molten Core with Magma ...
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Volcanoes: eruptive style and associated landforms Volcanic Explosivity Index Volume of material How high the eruption column reached How long the main eruption ...
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Volcanoes & Volcanic Landforms Mini Quiz To Begin Volcanoes 1. What is the difference between magma and lava ? 2. What kind (type) of rocks are formed from the ...
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Eruptions and Forms of Volcanoes 10.1 Volcanoes and Earth s Moving Plates Most active volcano: Kilauea Located in Hawaii Magma formed ...
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Natural Disasters By: ... and Viscosity of Magmas Volcanic Landforms Eruptive Styles Collapse Calderas Anatomy of an Eruption Springs Geysers How a Geyser Erupts ...
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Volcanoes and Seismic Hazards 7. Volcanic Hazards Lava ash is deadly Mudflows (Lahars) are deadly Toxic gases Pyroclastic bombs, Cause acid rain Lands Even ...
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GEOS 112 Lecture Topics 22003
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Magma from Mount St. Helens in Washington State and Krakatau in Indonesia ... In 1980, Mount St. Helens, a volcano in ... Pelee in 1902 and Mount St. ...
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Mount Saint-Helens: The post-18 May dome ... Montagne-Pel e, Martinique (lesser Antilles) Saint-Pierre, before. Saint-Pierre, after ...
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gabbro. rhyoliotic/granitic lava. andesite. extrusive rocks. pumice. pegmatite ... Stream channel near the headwaters (start of a stream) Long profile of a ...
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Solid components are silicate minerals that have already crystallized. ... Occurs when rock ascends as a result of convective upwelling (recall that the ...
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Chapter Four Volcanism and Extrusive Rocks VOLCANOES AND VOLCANISMS Lava tube formation Causes for Volcanism Types of Lava . Basaltic lava flow Basaltic pillow lavas ...
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Extrusive igneous rock formed from basaltic lava. Garden rock. Gabbro. Intrusive igneous rock formed from basaltic magma. Andesite ...
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The High Sierra and the Idaho batholith are the largest granitic ... This felsic extrusive igneous rock is so full of holes that it floats like a sponge: ...
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Others contain grains so small they can barely be seen under a high power microscope. ... The two most obvious textural features of an igneous rock are the size of its ...
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PETROLOGY Description of rocks Classification of rocks Theories on how these rocks formed Cooling Rates Cooling rates influence the texture if the igneous rock: Quick ...
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Title: Earthquakes and Volcanoes Author: plobosco Last modified by: Jamie Created Date: 2/9/2006 3:31:09 PM Document presentation format: On-screen Show (4:3)
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Rocks - Chippewa Falls High School ... Igneous Rocks
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Igneous Activity The Nature of Volcanic Eruptions Factors that determine whether a volcano erupts explosively or gently Magma s composition Temperature Dissolved ...
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The Eruption of Mount Pinatubo. By: Anh Phi. Prof. Terry Swanson. ESS 315. Statistics ... Volcanic Explosivity Index (VEI): 6 (2nd largest terrestrial eruption ...
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Everywhere along the midocean ridges, volcanoes erupt basaltic magma. Some large basaltic volcanoes are not located along midocean ridges. ...
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collapse of a vertical explosive or plinian column that falls back to ... Breccia or. Agglomerate. Magma encounters ' external ' water. Submarine, surtseyan, ...
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Energy America Geothermal, LLC. Geothermal Resources Council ... Volcanic Plutonic. Modal Igneous Classification (Mineral Abundance) 5. Geopressured systems ...
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Plate Tectonics: Grand Unifying Theory of everything... for the Geosciences, at least! Plate tectonics theory says that the Earth s core is broken up into pieces ...
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... is the highest (6268 m above sea level) volcano of the Ecuadorian Andes. ... Tungurahua volcano is one of the most active volcanoes of the Ecuadorian Andes. ...
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Plate Tectonics and Earth s Interior Pangea Distribution of Late Paleozoic Fossils Conventional Wisdom: Animals Migrated Across Land Bridges Late Paleozoic ...
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reflectors near Moho and within upper mantle. Origin of Characteristics Middle Crust ... Sub-arc Moho = Fossil melting ... Arc Evolution & Transparent Moho ...
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... of the plutons development and composition at greater depths ... calculates equilibrium assemblages from a given bulk composition of multicomponent systems ...
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CHAPTER 4 IGNEOUS ROCKS Magma: The parent material of igneous rock Lava Extrusive volcanic Intrusive plutonic Nature of magma Melt Volatiles From magma to ...
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Station One-Basalt (Write this description on your lab sheet) Basalt is one of the most common volcanic rocks. It is usually grey to black in color and fine-grained ...
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Igneous Rocks Make up 95% of earths crust Most common are on the continents - Andesite and Granite Most common on the ocean floor basalt All Igneous rocks ...
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Plate Tectonics Can Explain:
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Uprising magma can affect the crust in several ways by 'intruding' ... Fuji (35 N, 139 E) Copahue (38 S, 71 W) Mt. Shasta (41 N, 122 W) Colima (19 N, 104 W) ...
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Lecture Outlines Natural Disasters, 7th edition
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Mt. Pelee, Martinique. Mt. Rainier, Washington. Pahoehoe Lava From Kilauea ... CINDER CONE VOLCANO. SHIELD VOLCANO. COMPOSITE VOLCANO. MOUNT SHASTA, CALIFORNIA ...
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Earth Materials--Rocks and Minerals CHAPTER 2 Minerals and Rocks Definition of a mineral: Naturally occurring Inorganic Solid Definite chemical composition (or range ...
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Volcanic processes Pyroclastic deposits & lava flows Classification of Pyroclastic Rocks Dynamic types related to magma/water interactions Dynamic types related to ...
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Shape and Size of Sediments Detrital rocks have granular textures, much like granulated sugar. Sedimentary Rocks 4 They are named according to the shapes and sizes of ...
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Most magma differentiation occurs in deep crust where the geotherm exceeds solidus ... ANDESITE ORIGINATES AS FROM DEEP CRUST HOT ZONE AS RESIDUAL MELT FROM ...
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volcanoes and volcanism
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THE VOLCANO FORMS WHERE THE MELTING TEMPS AND PRESSURES ARE FAVORABLE IN THE ... CONDITIONS THAT FAVOR VOLCANOES. 3 CONDITIONS MUST BE MET TO ALLOW MAGMA TO FORM ...
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The Rock Cycle Rocks: a solid collection of minerals or mineral materials.
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Tephra. Gasses will cause lava and other debris to be expelled from the volcano. ... Built entirely from tephra. Small pieces of black or red lava ...
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Archaean magmatism NB- Archean (US spelling) or Archaean (UK spelling) Why? Somehow different from modern magmas Interesting to test our understanding of petrogenetic ...
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Subduction zone magmatism
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2. Blue Ridge- Precambrian and Cambrian metamorphosed ... Gneiss and granite. Metamorphosed basalt. More intense deformation at Great Smoky than Shenandoah ...
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Plate Tectonics: The Unifying Theory Peter W. Sloss, NOAA-NESDIS-NGDC
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