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Earth`s Interior (What`s down there below us?)
Earth`s Interior (What`s down there below us?)

... The “lithosphere” is the crust + part of the upper mantle. It is made of rock and is brittle. The “plates” of the earth’s crust make up the lithosphere. Below the lithosphere is a softer layer called the “asthenosphere”. In the asthenosphere, The rock is near it’s melting point, and flows very slowl ...
Hot spots can be used to track plate movements.
Hot spots can be used to track plate movements.

... as the African Plate splits apart. This huge valley is thousands of kilometers long and as much as 1800 meters (5900 ft) deep. ...
Plate Boundaries, evidence to support Plate Tectonics, Mechanisms
Plate Boundaries, evidence to support Plate Tectonics, Mechanisms

Name _________________________________         ... 13.    How do seismologists locate the epicenters...
Name _________________________________ ... 13. How do seismologists locate the epicenters...

... Scientists have discovered that earthquake waves penetrate Earth. The study of these waves provides scientists with valuable information about the structure of the interior of our planet. ...
Plate Tectonics Review
Plate Tectonics Review

... P-waves are underground seismic waves that travel the most quickly through Earth’s crust, causing the ground to move in the direction of the wave’s motion. They can travel through solids, liquids, and gases. S-waves are underground seismic waves that travel slower, causing the ground to move perpend ...
ppt file - Angelfire
ppt file - Angelfire

... Transform plate margin ...
Printer-friendly Version - Solid Earth Discussions
Printer-friendly Version - Solid Earth Discussions

... here and elsewhere I wonder why surface temperature changes of order 10 degrees are significant for plate tectonics, which is driven by temperature differences of order 1000 degrees between the mantle and the upper surface of a plate. p.138 l.9 If the mantle is the system then its surroundings inclu ...
Chapter 14 Resource: Plate Tectonics
Chapter 14 Resource: Plate Tectonics

... the lithosphere 2. cycle of heating, rising, cooling, and sinking 3. theory that states that Earth’s crust and upper mantle are broken into sections, which move around on a special layer of the mantle 4. area where an oceanic plate goes down into the mantle 5. plate boundary that occurs when two pla ...
constructive and destructive forces 2015
constructive and destructive forces 2015

... Wind Ocean currents ...
Obj. 2.1.1 Layers of the Earth A
Obj. 2.1.1 Layers of the Earth A

lecture 01s - Kean University
lecture 01s - Kean University

... Plates move0ºrelative to each other at90º a very slow but continuous Average about 5 centimeters (2 inches) per year Seven major lithospheric plates Cooler, denser slabs of oceanic lithosphere descend into the mantle Seven or so smaller ones. Plates are in motion and change in shape and size Largest ...
The ups and downs of sediments
The ups and downs of sediments

answers
answers

... 28. What is the great mystery about the location of Yellowstone National Park? It’s not at a plate boundary 29. What city is known for being buried following an eruption of Vesuvius in 79 A.D.? Pompey 30. Back in 2010, a volcano erupted in Iceland. Why did this volcano make headline news in regards ...
crust
crust

... core and inner core are even hotter with pressures so great you would be squeezed into a ball smaller than a marble if you were able to go to the center of the Earth! ...
Layers of the Earth powerpoint
Layers of the Earth powerpoint

... different layers. The crust is the layer that you live on, and it is the most widely studied and understood. The mantle is much hotter and has the ability to flow. The outer core and inner core are even hotter with pressures so great you would be squeezed into a ball smaller than a marble if you wer ...
Lecture W12-W13-L28
Lecture W12-W13-L28

File - earth science online
File - earth science online

... • Enables plates to move above it – It is the site of magma generation Mesosphere Mesosphere Mesosphere: the strong, lower part of the mantle, beneath the asthenosphere, that extends down to the core. Rocks are very hot and capable of very gradual flow The Mantle (cont.) The mantle convects – Convec ...
The Structure of the Earth and Plate Tectonics
The Structure of the Earth and Plate Tectonics

... Plate Tectonics Summary • The Earth is made up of 3 main layers (core, mantle, crust) • On the surface of the Earth are tectonic plates that slowly move around the globe • Plates are made of crust and upper mantle (lithosphere) • There are 2 types of plate • There are 3 types of plate boundaries • ...
hawaiian-plate-movement
hawaiian-plate-movement

... lithosphere are known as lithospheric plates. The plates float across the surface of the hot, soft, flexible layer of mantle that lies beneath them. This layer is called the asthenosphere. Most of the Earth’s volcanoes are found at the boundaries of the plates. But a few volcanoes are found, surpris ...
The LAB beneath the world oldest oceanic plate
The LAB beneath the world oldest oceanic plate

... Universität Wien, Institut für Meteorologie und Geophysik, 1090 Wien, Austria ...
answer key - Riverdale Middle School
answer key - Riverdale Middle School

... a.) Name the feature shown at A. Mid-Ocean Ridge b.) What is occurring at B? Sea-floor spreading c.) What process is shown occurring at C, and why does it occur? Subduction, because the ocean floor is so much heavier (denser) than the land ...
Document
Document

PowerPoint Presentation - Inside the Earth
PowerPoint Presentation - Inside the Earth

... • May Consist of both Continental and Oceanic Crust ...
Plate Tectonics - LunsfordEnvironmentalScience
Plate Tectonics - LunsfordEnvironmentalScience

Poetry Test Study Guide
Poetry Test Study Guide

... Dear Parents & Students, Your signature below indicates that you are aware that there will be a test in Science on Friday, December 16, 2011. Parents, please quiz your child at home using this study guide and additional ...
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Mantle plume



A mantle plume is a mechanism proposed in 1971 to explain volcanic regions of the earth that were not thought to be explicable by the then-new theory of plate tectonics. Some such volcanic regions lie far from tectonic plate boundaries, for example, Hawaii. Others represent unusually large-volume volcanism, whether on plate boundaries, e.g. Iceland, or basalt floods such as the Deccan or Siberian traps.A mantle plume is posited to exist where hot rock nucleates at the core-mantle boundary and rises through the Earth's mantle becoming a diapir in the Earth's crust. The currently active volcanic centers are known as ""hot spots"". In particular, the concept that mantle plumes are fixed relative to one another, and anchored at the core-mantle boundary, was thought to provide a natural explanation for the time-progressive chains of older volcanoes seen extending out from some such hot spots, such as the Hawaiian–Emperor seamount chain.The hypothesis of mantle plumes from depth is not universally accepted as explaining all such volcanism. It has required progressive hypothesis-elaboration leading to variant propositions such as mini-plumes and pulsing plumes. Another hypothesis for unusual volcanic regions is the ""Plate model"". This proposes shallower, passive leakage of magma from the mantle onto the Earth's surface where extension of the lithosphere permits it, attributing most volcanism to plate tectonic processes, with volcanoes far from plate boundaries resulting from intraplate extension.
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