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By: Aaron Chu Daniel Johnson
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Japan Europe Iceland California
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Trench: A cut in the ground Can be up to 7300 or more meters deep Typically form in locations where tectonic plates subduct under another Parallel to adjacent island arcs or mountain ranges of the continental margins Closely associated with and found in subduction zones
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Japan
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Deepest part of the earth 11,000 meters deep Formed by ocean-to- ocean subduction 1 plate (piece of lithosphere) moves underneath another Located in the Pacific Ocean East of the 14 Mariana Islands 11"21' North latitude and 142" 12' East longitude (near Japan)
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The trench is deep enough that Mt. Everest could fit in its place
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Jellyfish Football Fish Scary Dragonfish
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Japan
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Volcanic island arc 2800 km south from Tokyo 1100 km long and 300 to 400 km wide Contains Izu Islands, Bonin Islands, and Mariana Islands Convergent boundary Crust is destroyed and recycled back into the interior of the Earth as one plate dives under another Often known as “Subduction zones” Formed as a result of subduction of the western Pacific plate
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JapanEurope Iceland
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Mid-Atlantic Ridge runs beneath Iceland North American Plate moves west, while the Eurasian Plate moves east Iceland is slowly being split in 2 pieces Result of this is divergent boundary New crust is created as 2 or more plates pull away from each other.
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Mid-Ocean ridge Underwater mountain range, formed by plate tectonics Seafloor spreading occurs during this process Process in which the ocean floor is extended when two playes move apart. Mid-Atlantic Ridge includes a deep rift valley Runs along the axis of the ridge along nearly its entire length
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The ridge played an important in the break up of Pangaea
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http://www.youtube.com/watch?v=hxV3vE86s2Q
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Paleomagnetism Study of the record of the Earth’s magnetic field in rocks. Paleomagnetists study the Paleomagnetic stripes in the mid ocean ridge to see the.. Iron rich basaltic lava erupted along mid-ocean ridges Iron within the basalt is permanently oriented by the magnetic field of the Earth
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JapanEurope Iceland California
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Cascade Volcanoes Extends about 1,100 km Formed due to subduction along the Cascadia subduction zone Series of volcanoes in North America Extends from southwestern British Colombia through Washington and Oregon to Northern California Cascade Volcanoes' North America British Colombia Washington Oregon Northern California
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Cascade Volcanoes' = Volcanic arc’s Volcanic Arc Chain of volcanoes positioned in an arc 2 types Oceanic arcs : forms when oceanic crust subducts beneath another oceanic crust Continental arcs: forms when oceanic crust subducts beneath continental, creating an arc-shaped mountain belt
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http://www.youtube.com/watch?v=IKmJEVZDI6c
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In California lays the San Andreas fault 800 mi. long Tectonic boundary between the Pacific plate and the North Atlantic plate 35°07'N, 119°39'W The fault is a transformation fault boundary
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Transformation- fault boundary 2 plates are sliding horizontally past one another. Usually appear in ocean floors but a few occur on land such as California
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http://www.marianatrench.com/ http://www.marianatrench.com/ http://www.britannica.com/EBchecked/topic/155513/deep-sea- trenchhttp://geology.com/nsta/transform-plate- boundaries.shtml http://www.britannica.com/EBchecked/topic/155513/deep-sea- trenchhttp://geology.com/nsta/transform-plate- boundaries.shtml http://www.platetectonics.com/book/page_5.asp http://en.wikipedia.org/wiki/Convergent_boundary http://en.wikipedia.org/wiki/Convergent_boundary http://geology.com/nsta/transform-plate-boundaries.shtml http://geology.com/nsta/transform-plate-boundaries.shtml http://oceanservice.noaa.gov/facts/midoceanridge.html http://oceanservice.noaa.gov/facts/midoceanridge.html http://www.universetoday.com/38568/divergent-boundaries/ http://www.universetoday.com/38568/divergent-boundaries/ http://www.agu.org/pubs/crossref/1968/JB073i004p01279.shtml http://www.agu.org/pubs/crossref/1968/JB073i004p01279.shtml http://en.wikipedia.org/wiki/Mid-Atlantic_Ridge http://en.wikipedia.org/wiki/Mid-Atlantic_Ridge http://library.thinkquest.org/17457/platetectonics/4.php http://library.thinkquest.org/17457/platetectonics/4.php http://en.wikipedia.org/wiki/San_Andreas_Fault http://en.wikipedia.org/wiki/San_Andreas_Fault http://geology.com/nsta/divergent-plate-boundaries.shtml http://geology.com/nsta/divergent-plate-boundaries.shtml http://faculty.ccbcmd.edu/courses/eas101/unit3/easqa3.html
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http://www.google.com/imgres?q=mariana+trench&um=1&hl=en&safe=active&sa=N&rls=com.microsoft:en-us:IE- SearchBox&biw=1366&bih=600&tbm=isch&tbnid=X8SO25itZSMtkM:&imgrefurl=http://en.wikipedia.org/wiki/Mariana_Trench&docid=Rrwdseow3_1vwM&w=250&h=325&ei =dJKUTv-_HrD9sQK3vpzvAQ&zoom=1&iact=rc&dur=110&page=1&tbnh=126&tbnw=98&start=0&ndsp=24&ved=1t:429,r:0,s:0&tx=46&ty=72 http://visual.merriam-webster.com/earth/geology/ocean-trenches-ridges.php http://visual.merriam-webster.com/earth/geology/ocean-trenches-ridges.php http://en.wikipedia.org/wiki/Mariana_Trench http://en.wikipedia.org/wiki/Mariana_Trench http://www.britannica.com/EBchecked/topic/155513/deep-sea-trench http://www.google.com/imgres?q=japan+trench&um=1&hl=en&safe=active&sa=N&rls=com.microsoft:en-us:IE- SearchBox&biw=1366&bih=600&tbm=isch&tbnid=MTlosufrKhSVdM:&imgrefurl=http://en.wikipedia.org/wiki/File:Japan_trench_topographic.png&docid=CBDFlKfgm5_w- 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_ag5FD9BCGA/TdVtZK_VgII/AAAAAAAAABs/KigfhjMRSBE/s1600/Mariana- Trench.jpg&w=400&h=300&ei=TlOYTuuvJM6JsAKUn_CrBA&zoom=1&iact=hc&vpx=709&vpy=347&dur=1663&hovh=194&hovw=259&tx=168&ty=123&sig=11687577079532047 9579&page=1&tbnh=133&tbnw=169&start=0&ndsp=15&ved=1t:429,r:14,s:0 http://www.google.com/imgres?q=mariana+trench+pictures&um=1&hl=en&safe=active&sa=X&biw=1024&bih=653&tbm=isch&tbnid=IaYlwV4Df88kqM:&imgrefurl=http://i liketowastemytime.com/deep-dwellers-marianas- trench&docid=2i9nxRzseAfYAM&imgurl=http://iliketowastemytime.com/sites/default/files/mariana_trench_cutaway.jpg&w=550&h=521&ei=6VOYTreQNe6LsALgnrnbBA &zoom=1&iact=hc&vpx=710&vpy=152&dur=404&hovh=218&hovw=231&tx=189&ty=157&sig=116875770795320479579&page=1&tbnh=164&tbnw=173&start=0&ndsp=14&ved =1t:429,r:4,s:0 http://www.google.com/imgres?q=mariana+trench+pictures&um=1&hl=en&safe=active&sa=X&biw=1024&bih=653&tbm=isch&tbnid=IaYlwV4Df88kqM:&imgrefurl=http://i liketowastemytime.com/deep-dwellers-marianas- 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http://www.google.com/imgres?q=iceland&um=1&hl=en&client=firefox-a&rls=org.mozilla:en- US:official&biw=1200&bih=749&tbm=isch&tbnid=w2TuEHsh3LeL4M:&imgrefurl=http://barbarossasblast.blogspot.com/2010/06/621-breathtaking-icelandoh-and- there.html&docid=KHyIL6EdCqwK4M&imgurl=http://1.bp.blogspot.com/_e2To- yAgaQU/TCERgAFhlTI/AAAAAAAAAd4/qmZcziyciIo/s1600/iceland.jpg&w=1024&h=819&ei=F9qYTo6HIOuAsgLUr- SqBA&zoom=1&iact=rc&dur=283&sig=106493850796218347142&page=2&tbnh=171&tbnw=195&start=12&ndsp=13&ved=1t:429,r:6,s:12&tx=61&ty=75 http://www.google.com/imgres?q=San+Andreas+fault&um=1&hl=en&client=firefox-a&sa=N&rls=org.mozilla:en- US:official&biw=1200&bih=749&tbm=isch&tbnid=Dw1rHtXC_jVO5M:&imgrefurl=http://www.nps.gov/pore/naturescience/faults.htm&docid=VMKfFFzQai_8KM&imgurl=http:/ /www.nps.gov/pore/naturescience/images/pic_sanandreasfault_285x285_3.jpg&w=285&h=285&ei=JuaYToibOIrDsQLTkszLBA&zoom=1&iact=hc&vpx=260&vpy=99&dur=434& hovh=225&hovw=225&tx=161&ty=134&sig=109997355298110176555&page=2&tbnh=168&tbnw=168&start=17&ndsp=16&ved=1t:429,r:1,s:17 http://www.google.com/imgres?q=california+San+Andreas+fault&um=1&hl=en&client=firefox-a&rls=org.mozilla:en- US:official&biw=1200&bih=749&tbm=isch&tbnid=UAGxGvzfXmRCoM:&imgrefurl=http://explore.ecb.org/videos/VLC_media%3FP1%3DVLC103%26REFERER%3DOTHER&docid=9 Nm7zfzEshgAyM&imgurl=http://video.ecb.org/badger/download/vlc/images/VLC103_San_Andreas_Fault.jpg&w=640&h=480&ei=mOaYTvGoHqWBsgKautTTBA&zoom=1&iact =hc&vpx=677&vpy=146&dur=57&hovh=194&hovw=259&tx=161&ty=102&sig=106392025663565249658&page=3&tbnh=153&tbnw=179&start=45&ndsp=15&ved=1t:429,r:8,s:45 http://www.google.com/imgres?q=Cascade+Volcanoes&um=1&hl=en&client=firefox-a&sa=N&rls=org.mozilla:en-US:official&biw=1200&bih=749&tbm=isch&tbnid=kXflkUJa- 0fM- M:&imgrefurl=http://vulcan.wr.usgs.gov/Volcanoes/Cascades/ImageMaps/CascadeRange/cascade_range.html&docid=CVeYWLVOLo0LzM&imgurl=http://vulcan.wr.usgs.gov /Imgs/Gif/Cascades/Maps/cascade_range.gif&w=763&h=720&ei=fu2YTq6cJMODsgLQ1_y4BA&zoom=1&iact=hc&vpx=114&vpy=217&dur=308&hovh=218&hovw=231&tx=84&ty =127&sig=109694944353071415768&page=1&tbnh=162&tbnw=172&start=0&ndsp=15&ved=1t:429,r:0,s:0 http://www.google.com/imgres?q=ocean+floor&um=1&hl=en&client=firefox-a&sa=N&rls=org.mozilla:en- US:official&biw=1200&bih=749&tbm=isch&tbnid=sKKXwkouz9ijlM:&imgrefurl=http://zerowr.deviantart.com/art/Ocean-Floor- 96504667&docid=UiI53kRMZrNIAM&imgurl=http://fc01.deviantart.net/fs37/f/2008/243/6/b/Ocean_Floor_by_ZeroWR.jpg&w=1024&h=768&ei=s92ZTpDCAe6HsAKbssnTBA&z oom=1&iact=rc&dur=350&sig=106034080360613167101&page=2&tbnh=162&tbnw=199&start=12&ndsp=15&ved=1t:429,r:5,s:12&tx=77&ty=99 http://www.google.com/imgres?q=Mariana+trench+photos&um=1&hl=en&client=firefox-a&hs=js&sa=N&rls=org.mozilla:en- US:official&biw=1200&bih=749&tbm=isch&tbnid=YVdmb39plh7vTM:&imgrefurl=http://www.hseindiana.com/21-the-deepest-point-the-mariana- trench.html&docid=S6vcYtk4hhDJ4M&imgurl=http://www.hseindiana.com/wp-content/uploads/2011/09/Mariana-Trench-the-Deepest-Part-of-the-Worlds- Oceans.jpg&w=600&h=419&ei=St6ZTpjeN8yBsgLOg6XRBA&zoom=1&iact=hc&vpx=352&vpy=332&dur=627&hovh=188&hovw=269&tx=152&ty=122&sig=100225839224258873021 &page=6&tbnh=161&tbnw=223&start=85&ndsp=12&ved=1t:429,r:1,s:85 http://www.google.com/imgres?q=cascade+volcano&um=1&hl=en&client=firefox-a&sa=X&rls=org.mozilla:en- US:official&biw=1200&bih=749&tbs=isz:l&tbm=isch&tbnid=hrU6QrWg9___qM:&imgrefurl=http://cascadevolcanoes.blogspot.com/&docid=AEU4ZMe4A1r9wM&imgurl=http:// 1.bp.blogspot.com/_hYULki6Yo_0/S_Nk-KyjciI/AAAAAAAAAWo/FOxy9EYhTiE/s1600/CascadeMountains.jpg&w=1024&h=768&ei=mN- ZTvKVJseHsAKtha29BA&zoom=1&iact=hc&vpx=401&vpy=421&dur=1316&hovh=194&hovw=259&tx=103&ty=101&sig=102664146698713490809&page=3&tbnh=156&tbnw=210&s tart=30&ndsp=15&ved=1t:429,r:7,s:30 http://www.google.com/imgres?q=izu+bonin&start=33&num=10&um=1&hl=en&client=firefox-a&rls=org.mozilla:en- US:official&biw=1200&bih=749&tbs=isz:l&tbm=isch&tbnid=Lpb7VaYLklbgnM:&imgrefurl=http://chipango.wordpress.com/2010/09/22/the-volcanic-deserts-of- miharayama/&docid=vOLyJGmvXsZ4rM&imgurl=http://chipango.files.wordpress.com/2010/09/100918002532.jpg&w=1000&h=899&ei=X- CZTrXACMWPsQKIsr2pBA&zoom=1&iact=hc&vpx=553&vpy=343&dur=258&hovh=213&hovw=237&tx=173&ty=157&sig=114284995777778924760&sqi=2&page=3&tbnh=153&tbn w=175&ndsp=18&ved=1t:429,r:8,s:33
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http://www.youtube.com/watch?v=sgDM6m0 lUGY http://www.youtube.com/watch?v=sgDM6m0 lUGY http://www.youtube.com/watch?v=IKmJEVZ DI6c http://www.youtube.com/watch?v=IKmJEVZ DI6c
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