Lecture 10 Plate Tectonics i
... • Orientation of magnetic minerals gives latitude (north or south of equator) • Radiometric dates of ocean floor basalts, plus distance from ridge, gives paleolatitude for last 200 million years ...
... • Orientation of magnetic minerals gives latitude (north or south of equator) • Radiometric dates of ocean floor basalts, plus distance from ridge, gives paleolatitude for last 200 million years ...
Internal Structure of the Earth
... Crust – the outer, hardest layer of the lithosphere; continental crust (mostly granite, 2.7 g/cm³, 0-40 km) and oceanic crust (basalt 3.0 g/cm³, 010km) Lithosphere – crust and upper most, solid, rigid portion of the mantle – broken into pieces (0-100 km) ...
... Crust – the outer, hardest layer of the lithosphere; continental crust (mostly granite, 2.7 g/cm³, 0-40 km) and oceanic crust (basalt 3.0 g/cm³, 010km) Lithosphere – crust and upper most, solid, rigid portion of the mantle – broken into pieces (0-100 km) ...
Volcano World Computer Activity
... a. An opening in the mantle in which molten rock called lava and gases can escape to the surface; The mountain that is formed from volcanic buildup.. b. Volcano- an opening in the crust of the earth in which molten rock called magma and gases can escape to the surface. Volcano- the mountain that is ...
... a. An opening in the mantle in which molten rock called lava and gases can escape to the surface; The mountain that is formed from volcanic buildup.. b. Volcano- an opening in the crust of the earth in which molten rock called magma and gases can escape to the surface. Volcano- the mountain that is ...
8H Quick Quiz
... D adding water to the mixture. 4 A sedimentary rock is made of very small grains. What does the grain size tell us about the rock? A It will be dark coloured. B The grains were deposited by fast-moving water. C The grains were deposited by slow-moving water. D The rock contains fossils. ...
... D adding water to the mixture. 4 A sedimentary rock is made of very small grains. What does the grain size tell us about the rock? A It will be dark coloured. B The grains were deposited by fast-moving water. C The grains were deposited by slow-moving water. D The rock contains fossils. ...
paleogeography (plate tectonics)
... d. Superswell: broad area of great volcanic action and high heat flow in French Polynesia around a hotspot; characterized by very shallow waters; 30% of all hotspot heat is released here; covers 3% of Earth’s surface 4. Volcanic Rocks a. andesite: dark igneous rock formed at convergent subductive b ...
... d. Superswell: broad area of great volcanic action and high heat flow in French Polynesia around a hotspot; characterized by very shallow waters; 30% of all hotspot heat is released here; covers 3% of Earth’s surface 4. Volcanic Rocks a. andesite: dark igneous rock formed at convergent subductive b ...
Volcano Project Checklist
... that your volcano can create. _____ Description of what silica is and how it can impact the type of eruption caused. _____ Explanation of how the location of your volcano determines it’s eruption type. _____ Describe the types of hazards that different volcanic eruptions can create. _____ Identify t ...
... that your volcano can create. _____ Description of what silica is and how it can impact the type of eruption caused. _____ Explanation of how the location of your volcano determines it’s eruption type. _____ Describe the types of hazards that different volcanic eruptions can create. _____ Identify t ...
(volcanic) Landforms - Scoil Mhuire Geography
... • Subduction occurs where the heavier plate is pulled down under the lighter plate due to gravity and is melted deep in the mantle • This produces an explosive viscous (thick) lava; eruptions are violent due to intense build up of pressure • Dome volcanoes are steeply sloping cones with convex sides ...
... • Subduction occurs where the heavier plate is pulled down under the lighter plate due to gravity and is melted deep in the mantle • This produces an explosive viscous (thick) lava; eruptions are violent due to intense build up of pressure • Dome volcanoes are steeply sloping cones with convex sides ...
Volcanic Landforms
... Magma forms in the deep regions of the Earth’s crust and in the uppermost layers of the mantle where the temperature and pressure are very high What is the upper mantle made of? Very hot, puttylike rock that flows ...
... Magma forms in the deep regions of the Earth’s crust and in the uppermost layers of the mantle where the temperature and pressure are very high What is the upper mantle made of? Very hot, puttylike rock that flows ...
Making Oceans and Continents
... the crests of ocean ridges called Mid-Ocean Ridges (MOR’s). These are above hot rising mantle. As plates pulled apart, cracks allow low pressure and water to hit mantle. Causes partial melting. Magma moves into fractures and makes new oceanic lithosphere ...
... the crests of ocean ridges called Mid-Ocean Ridges (MOR’s). These are above hot rising mantle. As plates pulled apart, cracks allow low pressure and water to hit mantle. Causes partial melting. Magma moves into fractures and makes new oceanic lithosphere ...
GEOL 4110 Advanced Earth Science For Teachers Jim Miller
... Advanced Earth Science For Teachers ...
... Advanced Earth Science For Teachers ...
Salahaddin University College of Science Geology Department
... 50) A specialized form of concordant igneous intrusion that is characterized by a dome in the country rock and a nearly planar floor is called a: A) Lopolith B) Laccolith C) Batholith D) Stock 51)The most common mineral found in igneous rock is: A) Feldspar B) Olivine C) Muscovite D) Fluorite 52) Th ...
... 50) A specialized form of concordant igneous intrusion that is characterized by a dome in the country rock and a nearly planar floor is called a: A) Lopolith B) Laccolith C) Batholith D) Stock 51)The most common mineral found in igneous rock is: A) Feldspar B) Olivine C) Muscovite D) Fluorite 52) Th ...
File
... show a systematic variation in age along the length of the island arc, whereas nemataths (like the Hawaiian Islands) do show a systematic variation in age. ...
... show a systematic variation in age along the length of the island arc, whereas nemataths (like the Hawaiian Islands) do show a systematic variation in age. ...
Engineering Geological Conditions and Tunneling in Deccan traps
... penetrates a pile of thin amygdaloidal basalt flows some of which have become red and brown due to hydrothermal alteration. As some of these which had been softened by more intense hydrothermal alteration fell from the roof it was feared that large scale roof falls may take place and lining was prop ...
... penetrates a pile of thin amygdaloidal basalt flows some of which have become red and brown due to hydrothermal alteration. As some of these which had been softened by more intense hydrothermal alteration fell from the roof it was feared that large scale roof falls may take place and lining was prop ...
File - Etna FFA Agriculture
... The fragments ejected during eruptions range in size from very fine dust and volcanic ash to pieces that weigh several tons. ...
... The fragments ejected during eruptions range in size from very fine dust and volcanic ash to pieces that weigh several tons. ...
307 Final Review
... ____ 25. All of the following conditions in Earth can cause metamorphic rocks to form EXCEPT ____. a. exposure to air c. heat b. the presence of hot, watery fluids d. pressure ____ 26. The youngest part of the ocean floor is found ____. a. along deep sea trenches b. where ocean sediments are thickes ...
... ____ 25. All of the following conditions in Earth can cause metamorphic rocks to form EXCEPT ____. a. exposure to air c. heat b. the presence of hot, watery fluids d. pressure ____ 26. The youngest part of the ocean floor is found ____. a. along deep sea trenches b. where ocean sediments are thickes ...
Earthquakes and Volcanoes!
... molten rock (magma) comes to the surface • Magma: molten mixture of rock, gases & water from the mantle • Volcanoes form when plates converge & diverge (on land & on ocean floor) ...
... molten rock (magma) comes to the surface • Magma: molten mixture of rock, gases & water from the mantle • Volcanoes form when plates converge & diverge (on land & on ocean floor) ...
plate tectonics - mfischerscience
... • This is because animals living on joined land masses died, and their fossils spread apart over time. • These animals could NOT have swam such long distances. • Ex. Kannemeyerid, Labyrinthodont, & Glossopteris ...
... • This is because animals living on joined land masses died, and their fossils spread apart over time. • These animals could NOT have swam such long distances. • Ex. Kannemeyerid, Labyrinthodont, & Glossopteris ...
10.3: Volcanoes affect Earth`s land, air, and water
... Mauna Loa: shield volcano, one of the most active volcanoes on Earth, frequently produces large amounts of lava that flow long distances Mount Shasta: composite volcano, has erupted at least once every 600 to 800 years for the past 10,000 years, erupts with devastating violence Mt. Shasta erupts les ...
... Mauna Loa: shield volcano, one of the most active volcanoes on Earth, frequently produces large amounts of lava that flow long distances Mount Shasta: composite volcano, has erupted at least once every 600 to 800 years for the past 10,000 years, erupts with devastating violence Mt. Shasta erupts les ...
Alper Midterm 1 Solution (1)
... Igeneous rocks formed from Magma at depth are called __intrusive (plutonic)_rocks. (2pt) Obsidian has a __glassy___ texture. (2pt) Which of the physical properties can be similar between Granitic and Basaltic rocks? (2pt) a) Color b) texture c) composition Match the rock types to rocks below? (4pt) ...
... Igeneous rocks formed from Magma at depth are called __intrusive (plutonic)_rocks. (2pt) Obsidian has a __glassy___ texture. (2pt) Which of the physical properties can be similar between Granitic and Basaltic rocks? (2pt) a) Color b) texture c) composition Match the rock types to rocks below? (4pt) ...
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.