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It is an igneous rock, which forms from debris ejected by the explosive volcanic eruption.
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Pyroclastic Rock Volcanic Breccia. If pieces are smaller then referred to as Volcanic Tuff ... Pyroclastic Volcanic Breccia or Tuff. Summary - Igneous Rock ...
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Igneous Rocks Igneous = fire Lava cooling General characteristics of magma Igneous rocks form as molten rock cools and solidifies General characteristics of magma ...
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What is Lava? How do they form? What are the two categories of igneous rocks? ... How Hot Is Lava? How long does it take lava to cool? Where Does Magma Originate? ...
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Igneous rocks form when magma cools and mineral grains crystallize. ... Batholith = large, massive igneous intrusion. Igneous Intrusions ...
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IGNEOUS ROCKS IGNEOUS ROCKS are born of fire . In other words, they were once molten and upon cooling, the magma (molten rock) crystallized into solid rock.
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'Lava' is magma that reaches the surface and looses gas (mostly water and CO2) ... that crystallizes before reaching the surface forms an intrusive (plutonic) rock ...
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Don t you wish you were here? The Rock Cycle Igneous Rocks THE ROCK CYCLE Rocks are naturally occurring combinations of minerals, fossils or other hard materials.
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The movement of still liquid lava below the surface of a cooling flow caused the ... (C) Fossil echinoderm (sea urchin) from the Chalk. ...
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Rock - solid matter made from minerals or petrified organic materials. Mineral - naturally occurring homogeneous inorganic solid having a definite chemical ...
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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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Glassy texture. Very rapid cooling of molten rock. Resulting rock is called obsidian ... Glassy texture, very light weight, mostly air ...
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Conglomerates Breccias: coarse-grained. SHALES ... Breccia - the particles are angular. CHEMICAL SEDIMENTARY ROCKS. TWO CATEGORIES: ...
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Breccia pipes. Kimberlite. Contains diamonds. Ultramafic magmas. Mixture of rocks ... 1 to 3 km thick, basalt flows, pillows breccia, dikes. Layer 3 ...
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Classification of Rock Types
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A group of processes through which Earth materials may pass as they are ... Breccia - Clastic. Coal - Organic. Conglomerate - Clastic. Iron Ore - Chemical ...
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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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Volcanism and volcanic rocks rocks and sediments produced by volcanic processes Volcanism plate tectonics relationship of volcanism to movements of the earth s ...
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PowerPoint Presentation Igneous Rocks
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Title: Far Detector Operations Author: Alec T. Habig Last modified by: Alec T. Habig Created Date: 3/25/2004 3:51:48 PM Document presentation format
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Minerals are the building blocks of rocks! ... breccia: angular clasts. conglomerate: rounded clasts. Classification of Sediments ...
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Igneous Rock Classification Lab. What is a rock? ... mineral composition = mineral assemblages= chemistry ... Mineral composition = Mineral assemblages = Chemistry ...
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Metamorphism and Metamorphic Rocks
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... used this information to demonstrate that as a magma cools, ... silicates Quartz Muscovite Mica Feldspar Properties of Igneous Rocks Granitic composition: ...
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Volcanoes. View From Space - Klyuchevskaya, Russia. Magma molten rock beneath the surface ... Layers of tephra on Usu (stratovolcano) in Japan. ...
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Rock Identification Rock Lab * * * * * * * * Identification of all three rock groups is based on TEXTURE and COMPOSITION the appearance of the rock what the rock is ...
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Igneous Rocks and Volcanoes Jemez Caldera, New Mexico Collapsing Volcanoes Mount Rainier Collapsing Volcanoes - Hawaii Evolution of Volcanoes An active volcanic ...
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Epiclastic rocks are those composed of (nonvolcanic) particles of all sizes, clay ... is the Dunnage Melange near Gander, Newfoundland, which marks where North ...
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Sedimentary Rx 50% ... shear along bedding planes due to folding Sedimentary Facies Facies = environment of deposition Rocks ...
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Igneous Rocks and Tectonics. Igneous rock formation largely tied to tectonic activity ... Mafic to intermediate batholiths (Gabbro, diorite) 8 ...
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MINERALS AND ROCKS IN THE EARTH S CRUST Igneous, Sedimentary, Metamorphic Rocks and Environments Contact and Regional Metamorphism Contact Metamorphism Regional ...
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Rocks and Minerals in the Field
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Intrusive and Extrusive Igneous Rock Structures Basalt dikes hosted in a granitoid pluton, with metasediment roof pendant; Wallowa Mts, Oregon
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Engineering Characterisation of Soil and Rock
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Chapter 25. Metamorphic Facies and Metamorphosed Mafic Rocks V.M. Goldschmidt (1911, 1912a), contact metamorphosed pelitic, calcareous, and psammitic hornfelses in ...
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Title: Volcanoes and Igneous Activity Earth - Chapter 4 Author: Stan & Cindy Hatfield Last modified by: Tonie Marsett Created Date: 12/18/2000 12:31:17 AM
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Chapter 3 ROCKS ... and how to identify them Mr. Litaker This is your cue to advance to the next . (*) THE ROCK CYCLE Rocks are naturally occurring combinations ...
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... petrogenetic grid for metamorphosed mafic rocks showing the location of several determined univariant reactions in the CaO-MgO-Al2O3-SiO2-H2O-(Na2O) system ...
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Gabbro basalt Dark silicate minerals & Ca plagioclase feldspars, little or no quartz. ... Also, lighter minerals (bottom of Bowen's Reaction Series) melt ...
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Introduction to Geology GEO101004 Class 6: Igneous Rocks
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More Ca-rich plagioclases become progressively unstable as T lowered ... pressure-temperature-time paths based on a crustal thickening heat-flow model. ...
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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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Everywhere along the midocean ridges, volcanoes erupt basaltic magma. Some large basaltic volcanoes are not located along midocean ridges. ...
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Weathering profile of volcanic tuff in a road cut after five years of exposure to weathering process
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Explain the relationship between igneous activity, magmatic composition, rock ... Large blocks close to the vent = (vent) agglomerate. Oceanic v Oceanic 3 ...
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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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gneiss. conglomerate. sandstone. rock salt. limestone. fossil limestone. coal. granite. tuff ... Organic. Chemical. Metamorphic. Foliated. Non-Foliated. Igneous ...
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Is the pile of lava, dust, ash, and rock particles around the vent. The opening from ... Early sailors mistakenly thought glistening calcite crystals inside the tuff ...
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Rocks - Chippewa Falls High School ... Igneous Rocks
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Volcanism and volcanic rocks rocks and sediments produced by volcanic processes Volcanic rock terms aphanitic fine grains that are not visible to the eye ...
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Rocks formed from lava = extrusive, or volcanic rocks ... Olivine, pyroxene, amphibole, and biotite mica. Light (or nonferromagnesian) silicates ...
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... as molten rock cools and solidifies. General Characteristic of magma ... Characteristic ... Texture is used to describe the overall appearance of a rock ...
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Igneous Basalt Rock. This is a typical basaltic rock which composes the bedrock ... The dark color represents iron within the silicate basalt. ...
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More sedimentary rock types with names, abbreviations and adjectives ... Seeking requirements from geologists. Possible approaches ...
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