Convergent+Oceanic+to+Oceanic

= = =**Convergent Oceanic to Oceanic (7 points) **=  When two oceanic plates converge and one subducts under the other one, a deep oceanic trench is formed. Oceanic to oceanic plate convergents can also form under sea volcanoes. The volcanoes can form into chains known as island arcs. Island Arcs are volcanic arcs of volcanic islands or mountains as an oceanic tectonic plate subducts under another  tectonic   This type of boundary is found in many oceans. Some places where this occurs are The Aleutians, Japan, and the Philippnes. Convergent Oceanic to Oceanic are also found near subduction zones. Subduction zones are deep trenches form on the ocean floor, where one oceanic plate sub-ducts under another.  WHERE THEY ARE FOUND
 * Location (7 points) **

=**Associated Geologic Features: (4 points....island arcs, deepest oceanic trenches, volcanic islands, etc....?) **=  T his type of boundary is made out of oceanic crust. Oceanic Crust is a thick mass of igneous rock which lies under the ocean floor. Oceanic crust is the part of Earth's lithosphere that surfa ces in the ocean basins *Ocean Basins* are described as depressions of the seabed. Oceans basins is a geologic feature of this type of boundary.  =**Associated Geologic Events (6 points....earthquakes? tsunamis?) **=  This type of boundary forms under sea volcanoes, they form into island arcs

<span style="color: #9249d4; font-family: 'Lucida Console',Monaco,monospace; font-size: 12px; line-height: 17px;">**__This video shows the process:__** media type="youtube" key="ml5uolY9rFI" height="344" width="425" <span style="color: #dc47a2; font-family: 'Lucida Console',Monaco,monospace;"> **Undersea volcano!**

=<span style="color: #b6b32f; font-family: 'Palatino Linotype','Book Antiqua',Palatino,serif; font-weight: 800;">A VOLCANO ERUPTS!!! DUE TO CONVERGENT OCEANIC TO <span style="color: #b6bf1d; font-family: 'Palatino Linotype','Book Antiqua',Palatino,serif; font-weight: 800;"> OCEANIC BOUNDARIES!!! (6 points...a good start but should have included more details on other events) = <span style="font-family: 'Comic Sans MS',cursive;"> As you know now, oceanic to oceanic boundaries produce undersea volcanoes. Off the coast of Tonga a volcano erupted under water. Many were scared that it was going to cause serious damage to ocean life and its surroundings. Luckily Tonga's head geologist, said there was no damage done. Oceanic to Oceanic processes can cause many earth's natural disasters. <span style="color: #ee4320; font-family: 'Lucida Console',Monaco,monospace; font-size: 13px; line-height: 19px;">**UNDERSEA VOLCANO due to Oceanic to Oceanic Covergent**

<span style="color: #ed8cc7; font-family: Impact,Charcoal,sans-serif; font-size: 22.1px; line-height: 19px;">QUESTIONS: (10 points!) <span style="font-family: Arial,Helvetica,sans-serif;"> 1./ Where are three places Oceanic to Oceanic Convergent occurs? <span style="color: #000000; font-family: Arial,Helvetica,sans-serif;"> a. Mount Laurel, Wisconsin, Utah b. The Aleutians,Philippines,Japan c. Africa,Europe,South America

2./ What do undersea Volcanoes create? a. peanut butter and jelly sandwiches b. Sand Bars c. Island Arcs

<span style="font-family: Arial,Helvetica,sans-serif;"> 3./ What is subduction? a.deep trenches form on the ocean floor, where one oceanic plate sub-ducts under another b. A tectonic plate c. Island Arcs that when forming

4./ Oceanic to Oceanic Convergent boundaries are found in The Aleutians, what sea is it near? a. Mediterrian Sea <span style="font-family: 'Lucida Sans Unicode','Lucida Grande',sans-serif;"> b. Bering Sea c. Red Sea <span style="font-family: Arial,Helvetica,sans-serif;"> &&Hint use the map to find the correct answer

<span style="font-family: Arial,Helvetica,sans-serif;"> 5./ Ocean Crust is part of the Earth's ___ <span style="font-family: Arial,Helvetica,sans-serif; font-size: 13px; line-height: 19px;"> a. lithosphere b. hydrosphere c. atmosphere <span style="font-family: 'Lucida Console',Monaco,monospace; font-size: 13px; line-height: 19px;">

<span style="color: #404040; font-family: 'Lucida Console',Monaco,monospace; font-size: 13px; line-height: 19px;"> ANSWERS: <span style="color: #808080; font-family: 'Lucida Console',Monaco,monospace; font-size: 13px; line-height: 19px;"> 1. B 2. C 3. A 4. B 5. A <span style="font-family: 'Lucida Console',Monaco,monospace; font-size: 13px; line-height: 19px;">

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 * TOTAL POINTS 40/50**