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MidOcean Ridge Hydrothermal Vents
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Midocean Geostrophic Turbulence
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Dike-like mush zone and a smaller transition zone beneath well-developed rift valley ... Mush. Gabbro. Rift Valley ... more primitive), with some mixing of mush ...
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Crustal thickness is 6 km and varies little with spreading rate. Fast-Spreading Ridges ... 100 km. Structure varies substantially along axis within a segment. ...
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Lecture 2a: Igneous classification, midocean ridges
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Identifying the composition of the mantle has long been a fascin-ation of earth scientists. ... Tension begins when one tectonic plate is split. ...
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... (e.g. JASON Academy) Local Teacher Workshops. Target ... Seismology as a diagnostic tool. Geochemistry. Rock/Sea water interactions, formation of chimneys ...
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Magma wells to the ocean floor, forming underwater mountain ridges, valleys, and volcanoes ... Most famous recent island formation was Surtsey, off Iceland ...
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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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The longest topographic feature in the world is the midoceanic ridge system a ... A brilliant piece of scientific detective work inferred that these 'zebra ...
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Chapter 3 Plate Tectonics 3-1 Earth s Drifting Continents Theory-guess A land bridge once stretched across the Atlantic Ocean and connected South America and Africa ...
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Social Media Marketing Is One Of the Best Way To Keep Update Your Client
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Title: Slide 1 Author: Jamie Saponaro Last modified by: mbarth Created Date: 1/19/2006 3:17:41 AM Document presentation format: On-screen Show Company
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... Drift led to Plate Tectonics Alfred Wegener Pangaea Gondwanaland Africa, South America, Australia, Antarctica, and India Laurasia North ...
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Who Wants to be a Millionaire?
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Title: 1.3: Fresh Water Flows Underground Author: Bob and Kathy Nutter Last modified by: KSD Created Date: 10/22/2006 5:13:07 PM Document presentation format
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A. The Earth once had a single land mass that broke up into large pieces, that ... Syncline - A downward fold in a rock (sinning goes down) ...
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Increasing pressure raises the melting point of a material. ... mountainous to flat plains: Abyssal plains, Abyssal hills, Seamounts, and Deep sea trenches ...
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Plate Tectonics Can Explain:
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Teori Pembentukan Muka Bumi Menurut perkembangannya (Van Krevelen, 1993) : Pemekaran lantai samudra 2. Konsep apungan benua atau continental drift oleh Alfred Wegener ...
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Planetary Energy Balance
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Title: PowerPoint Presentation Author: Stacy - McGraw-Hill Higher Education Last modified by: greg Created Date: 6/16/2003 2:59:31 PM Document presentation format
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The Atmosphere A. Origin of the Atmosphere B. Human ... Surface of first interaction of solar wind with Earth s magnetic field = Bow shock Region where Earth ...
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Earth Science Jeopardy! Click Once to Begin FINAL REVIEW #1 Template by Bill Arcuri, WCSD * * Template by Bill Arcuri, WCSD Lines on a topographic map that indicate ...
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Some quakes form in the mantle. May be larger, up to 6.2 magnitude. Hawaiian Volcanism ... Yellowstone. Plumes, Climate & Extinction ...
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Explains many observations about the Earth. Jigsaw fit of continents ... Geochronology Map Seafloor Age. Geography Map Topography and Bathymetry ...
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The world ocean has four main basins: the Atlantic, Pacific, Indian, and Arctic. ... New seafloor is produced at ocean ridges and old ... Terrigenous sediments ...
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The ocean floor offers a rugged landscape unmatched by anywhere on Earth's surface. ... However, sometimes gigantic flows erupt on the ocean floor with enough new ...
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Geology of the Oceans Formation of the Oceans: 1. Solar system was formed 4.6 billion years ago. 2. World s oceans believed to have formed more than 3 billion
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Regions of the Earth. Tides. Primeval Atmosphere. Secondary Atmosphere. Earth's atmospheric layers ... The Greenhouse Effect. Ozone layer. Earth's interior ...
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When the plates in this type of boundary past each other, ... The caramel and nougat of the Snickers represented this. What is the asthenosphere? ...
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Exploring the inner and outer shells of earth Chapters 2-3-4 Additional reading: MAR discovery, pdf, class web site Physical state is determined by the combined ...
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StarrySkies.com LAYERS OF THE EARTH Mantle Core Crust The Earth s Layers Crust Outer layer Made of rock Very thin - like the skin of an apple Between 8 and 25 miles ...
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Extinction of the Dinosaurs. Solar Nebula Theory. Age of the Solar System ... Hot spots. Magnetic fields. Tidal coupling. Cratering. Maria/Highlands. Relative ...
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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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... shell of the egg represents the crust (lithosphere) of earth. ... Lithosphere very ... The lithosphere is the layer of solid rock that is broken up into the ...
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At the center is the core (a solid inner core and a liquid outer core) ... outer wedge of deep-sea sediments beneath the continental rise and abyssal plain. ...
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Aragonite Seas are mostly known from 'icehouse' conditions of the Neogene, late ... Tephra can also be usesd to correlate some of the same marine sediments. ...
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Limestone (like sand, gravel mined and quarried for concrete, crushed for road rock) [greatest volume and dollar value of all nonmetal mineral resources] Evaporites ...
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The oceans contain 97% of the earth's water. ... Whales , seals , dolphins, squid octopuses, barracuda and other fish are all nekton. ...
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In which type of rock are fossils most likely to be found? Igneous intrusive Igneous extrusive Sedimentary Metamorphic ...
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To be able to explain the basic principles of plate tectonic theory ... Wegener said all continents were joined together in one landmass called Pangaea ...
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Plate tectonics. The current view regarding the dynamics of Earth's geology ... Present plate tectonics theory. Lithosphere. Crustal rocks & the upper, rigid ...
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NOAAPMEL Hydrothermal Vents Program Presented by Dr' Joseph Resing Joint Institute for the Study of
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Atlantis may have referred to the Island of Thera, the site of a 1628 BC ... Himalayas--the former Tethys Sea is completely closed ...
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Craters and Calderas D. Predicting Volcanic Eruptions Volcanic Eruptions 2 types of lava chemically, effects eruptions intensity 1. mafic lava dark, ...
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Title: The Fossil Record Author: NVCC Last modified by: faculty Created Date: 5/17/2005 3:34:58 PM Document presentation format: On-screen Show (4:3)
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Longer if some slip is aseismic. Faults aren't exactly periodic for reasons we don't understand ... Seismogram analysis shows most slip in southern 400 km ...
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Over one hundred sixty thousand years ago, our ancestors probably began to use ... with groundwater percolating through an aquifer, the solution cools very slowly. ...
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... Deep seabed genetic resources Information difficult to find due to its commercially sensitive nature Several biotechnology ... applications, biotechnology, ...
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Welcome Geology 101 Lecture on Volcanoes Chapter 4
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History of volcanoes, volcanology
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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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Chapter 6 Water Oceans and Freshwater Oceans 71 % of earths surface covered with water 97 % of the water is in oceans In fact there is water around all the land Three ...
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Layer of gas confined close to a planet's surface by the force of gravity. Earth ... magnetosphere, as are the magnetized planets Jupiter, Saturn, Uranus and Neptune. ...
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