File - South Sevier High School
... 23. Name the source rock for the following metamorphic rocks: SOURCE ROCK ...
... 23. Name the source rock for the following metamorphic rocks: SOURCE ROCK ...
Composition of Earth – Encarta
... belts, being drawn downward into the crust at some margins and being replaced with rising molten rock at others. Continents are carried on the plates, at rates of movement measured in centimetres per year. The crust itself has two parts. The felsic, or upper, crust, of which the continents consist, ...
... belts, being drawn downward into the crust at some margins and being replaced with rising molten rock at others. Continents are carried on the plates, at rates of movement measured in centimetres per year. The crust itself has two parts. The felsic, or upper, crust, of which the continents consist, ...
Name: : Earth Science Mr. Herman Exeter SHS Chapter 10.1
... • The greatest volume of volcanic rock is produced along the oceanic ridge system. • Lithosphere pulls apart. • Less pressure on underlying rocks • Partial melting occurs • Large quantities of fluid basaltic magma are produced. Convergent Plate Boundaries • The basic connection between plate tectoni ...
... • The greatest volume of volcanic rock is produced along the oceanic ridge system. • Lithosphere pulls apart. • Less pressure on underlying rocks • Partial melting occurs • Large quantities of fluid basaltic magma are produced. Convergent Plate Boundaries • The basic connection between plate tectoni ...
Volcanoes and Igneous Activity Earth
... Intermediate or Andesitic Rocks • Mineral and chemical composition are average of felsic and mafic rocks • Has dark minerals (pyroxene, amphibole, and mica) and light minerals (feldspar and quartz) • Silica content: 50%
... Intermediate or Andesitic Rocks • Mineral and chemical composition are average of felsic and mafic rocks • Has dark minerals (pyroxene, amphibole, and mica) and light minerals (feldspar and quartz) • Silica content: 50%
EXAM 2 Review Questions – Fall 2012
... B) may flow if it becomes saturated with water C) will be more stable if vegetation takes root on the hill D) all of the above ...
... B) may flow if it becomes saturated with water C) will be more stable if vegetation takes root on the hill D) all of the above ...
Felsic Silicon to Oxygen ratio: (1:2) Name comes from “feldspars
... Distinctly darkly pigmented (dark red/brown rust color) Usually in the form of a microscopic powder and a trace component in rocks Gives rocks a reddish hue Mars is red because of the hematite on its surface Hematite is the end result of chemical weathering of iron (oftentimes found in mafic rocks ...
... Distinctly darkly pigmented (dark red/brown rust color) Usually in the form of a microscopic powder and a trace component in rocks Gives rocks a reddish hue Mars is red because of the hematite on its surface Hematite is the end result of chemical weathering of iron (oftentimes found in mafic rocks ...
Volcanoes - Great Hearts Archway Chandler
... bubbly and what happens to the crust?} Most of the hot spots occur under the ocean. Magma pushes through thin parts of the Earth’s crust. Islands like Hawaii were formed like this. This is how we have volcanoes that are not near the plate boundaries. ...
... bubbly and what happens to the crust?} Most of the hot spots occur under the ocean. Magma pushes through thin parts of the Earth’s crust. Islands like Hawaii were formed like this. This is how we have volcanoes that are not near the plate boundaries. ...
Lab 2
... Minerals are classified as to their origin and chemical composition Based on origin, minerals may be primary and secondary minerals Rocks are simply aggregates of two or more ...
... Minerals are classified as to their origin and chemical composition Based on origin, minerals may be primary and secondary minerals Rocks are simply aggregates of two or more ...
Igneous Rocks Intrusions and Volcanoes
... Igneous rocks are associated with molten material. This material can be from the mantel or melted crust material. Texture, iron content and silica content determine the type of igneous rock. The texture determines the cooling temperature. Rapid cooling gives small to no crystal formation. This means ...
... Igneous rocks are associated with molten material. This material can be from the mantel or melted crust material. Texture, iron content and silica content determine the type of igneous rock. The texture determines the cooling temperature. Rapid cooling gives small to no crystal formation. This means ...
identifying igneous rocks in the field
... are effectively single crystals, in hand specimen their cleavage surfaces produce characteristic flashes of reflected light. Note that mafic minerals weather very easily, hence always look at a fresh rock surface. Olivine may commonly be serpentinized and black in color, unl ...
... are effectively single crystals, in hand specimen their cleavage surfaces produce characteristic flashes of reflected light. Note that mafic minerals weather very easily, hence always look at a fresh rock surface. Olivine may commonly be serpentinized and black in color, unl ...
Chapter 7.1
... • Most rock in the very hot mantle / asthenosphere remains solid due to very high pressure. • Sometimes conditions (lower pressure or added water) allow part of the solid mantle to melt and become flowing liquid magma. ...
... • Most rock in the very hot mantle / asthenosphere remains solid due to very high pressure. • Sometimes conditions (lower pressure or added water) allow part of the solid mantle to melt and become flowing liquid magma. ...
Volcanoes ppt
... like smoke rising from the volcano. They are a mixture of ash and gases namely, carbon dioxide. Some volcanic gases combine with water in the air to form acids. ...
... like smoke rising from the volcano. They are a mixture of ash and gases namely, carbon dioxide. Some volcanic gases combine with water in the air to form acids. ...
Volcanoes ppt
... like smoke rising from the volcano. They are a mixture of ash and gases namely, carbon dioxide. Some volcanic gases combine with water in the air to form acids. ...
... like smoke rising from the volcano. They are a mixture of ash and gases namely, carbon dioxide. Some volcanic gases combine with water in the air to form acids. ...
Shield Volcano JIGSAW INFO
... with heat from the earth's core. This action melts rock turning it into magma. The pressure from the heat of the gas pushes the magma upwards till it explodes. Molten magma shoots upward from deep below the ocean floor and breaks through the drifting plates to form shield volcanoes. Lava flows gentl ...
... with heat from the earth's core. This action melts rock turning it into magma. The pressure from the heat of the gas pushes the magma upwards till it explodes. Molten magma shoots upward from deep below the ocean floor and breaks through the drifting plates to form shield volcanoes. Lava flows gentl ...
Assignment #21 - hrsbstaff.ednet.ns.ca
... build up of strata forces layers into the crust = increases heat and pressure = metamorphic processes (several kms into the crust & takes millions of years) tectonic forces also contribute to changing the structure of the rock: ductile, elastic, brittle - lava = basalt = igneous rock (very small cry ...
... build up of strata forces layers into the crust = increases heat and pressure = metamorphic processes (several kms into the crust & takes millions of years) tectonic forces also contribute to changing the structure of the rock: ductile, elastic, brittle - lava = basalt = igneous rock (very small cry ...
dynamic planet: earthquakes, volcanoes, and plate tectonics
... d. true The San Andreas Fault of California is a transform boundary e. false When continents collide, subduction happens rapidly f. true Some of the oldest mountains in the world are the Urals and the Appalachians while the youngest mountains are those forming around the ring of fire g. true The for ...
... d. true The San Andreas Fault of California is a transform boundary e. false When continents collide, subduction happens rapidly f. true Some of the oldest mountains in the world are the Urals and the Appalachians while the youngest mountains are those forming around the ring of fire g. true The for ...
GG 101 Fall 2010 Exam 1 September 23, 2010
... A) A mineral consists of its constituent atoms arranged in a geometrically repetitive structure; in a rock, the atoms are randomly bonded without any geometric pattern. B) A rock consists of atoms bonded in a regular, geometrically predictable arrangement; a mineral is a consolidated aggregate of di ...
... A) A mineral consists of its constituent atoms arranged in a geometrically repetitive structure; in a rock, the atoms are randomly bonded without any geometric pattern. B) A rock consists of atoms bonded in a regular, geometrically predictable arrangement; a mineral is a consolidated aggregate of di ...
Geology and Nonrenewable Minerals
... How Metamorphic Rock is Formed • Hardest to identify • Igneous and sedimentary rock can be turned into metamorphic rock through the use of heat and pressure • Heat and pressure causes a literal “metamorphosis” to occur as rocks are ...
... How Metamorphic Rock is Formed • Hardest to identify • Igneous and sedimentary rock can be turned into metamorphic rock through the use of heat and pressure • Heat and pressure causes a literal “metamorphosis” to occur as rocks are ...
Earth 1
... earth’s crust (which means they often heat up and become magma again—it’s a cycle—the Rock Cycle!) c. Fact: Both igneous and sedimentary rocks can change into metamorphic rocks. d. Characteristics: These rocks are usually harder than the rocks that they were at first. e. They may have “bands” which ...
... earth’s crust (which means they often heat up and become magma again—it’s a cycle—the Rock Cycle!) c. Fact: Both igneous and sedimentary rocks can change into metamorphic rocks. d. Characteristics: These rocks are usually harder than the rocks that they were at first. e. They may have “bands” which ...
Volcanoes
... Cinder Cones may exist separately or on the flanks of larger volcanoes. These pyroclastic mounds have characteristics that include: 1. steep slopes (up to 45 degrees) and low heights (usually < 400 m). 2. often symmetric shape around the vent. Lava Domes have a bulbous surface structure formed when ...
... Cinder Cones may exist separately or on the flanks of larger volcanoes. These pyroclastic mounds have characteristics that include: 1. steep slopes (up to 45 degrees) and low heights (usually < 400 m). 2. often symmetric shape around the vent. Lava Domes have a bulbous surface structure formed when ...
Izalco volcano, El Salvador
... • Lava is not the only material extruded from volcanoes. – Broken rock – Lava bombs – Fine ash – Dust ...
... • Lava is not the only material extruded from volcanoes. – Broken rock – Lava bombs – Fine ash – Dust ...
Continental Formation - Department of Geosciences
... 65% SiO2. If anything (e.g. higher degrees of melting) we’d expect lower than 50% SiO2 melts. ...
... 65% SiO2. If anything (e.g. higher degrees of melting) we’d expect lower than 50% SiO2 melts. ...
Chapter Outlines
... Crystallization of magma. Bowen’s Reaction Series explains the crystallization sequence of a magma and the resultant compositional change of a magma body over time. o As it cools, some magma begins to crystallize in stages – not all at once. These first crystals can be carried along in the magma or ...
... Crystallization of magma. Bowen’s Reaction Series explains the crystallization sequence of a magma and the resultant compositional change of a magma body over time. o As it cools, some magma begins to crystallize in stages – not all at once. These first crystals can be carried along in the magma or ...
Overheads for Pat`s lecture
... some C-A basalts have 17-20% (high-Al basalts), some believe that these are parental to C-A series rocks) ...
... some C-A basalts have 17-20% (high-Al basalts), some believe that these are parental to C-A series rocks) ...
Basalt
Basalt (pronounced /bəˈsɔːlt/, /ˈbæsɒlt/, /ˈbæsɔːlt/, or /ˈbeɪsɔːlt/)is a common extrusive igneous (volcanic) rock formed from the rapid cooling of basaltic lava exposed at or very near the surface of a planet or moon. Flood basalt describes the formation in a series of lava basalt flows.