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volcanoes
| Question | Answer |
|---|---|
| oceanic lithosphere is________ at convergent boundaries | destroyed |
| typical sea floor spreading rate is...... | 5 centimeter per year |
| boundary where new oceanic crust is formed | divergent |
| results of divergence on the continent (eXAMPLE) | east african rift |
| what causes the downward sliding characteristic of ridge push | gravity |
| as the pacific plate moves over a ... the hawaiian islands formed | hot spot |
| as one moves away from the mid ocean ridges, the age of the rocks | increase |
| yellowstone national parks igneous activity is the result of .. activity | intraplate |
| shield volcanoes can grow from the sea floor to form | islands |
| what part of earth is divided into plates | lithosphere |
| landforms at oceanic divergent boundaries | oceanic ridges |
| a plate can be made up of what type of lithosphere | both continental and oceanic |
| volcanoes with alternating layers of lava and pyroclastics | composite cone |
| unequal heating of the mantle produces... that drives plate tectonics | convection |
| plate boundary where two plates move together | convergent |
| the himalayas are the result of what type of plate boundary | convergent-continental- continental |
| boundary responsible for volcanic island arcs | convergent-oceanic-oceanic |
| layers that make up the lithosphere | crust and upper mantle |
| magma rises because of decreased | density |
| deep ocean trenches are associated with... | subduction zone |
| boundary where plates grind past one another | transform fault |
| the most popular bird to observe next week | turkey |
| composite cones produce the most...... eruptions | violent |
| continnental colcantic arcs are formed at what type of boundary | oceanic continental convergence |
| explains the orientation of magnetic minerals in rocks | paleomgnetism |
| magnetic________provide evidence for sea floor spreading | reversals |
| most of earths active volcanoes are associated with the... | ring of fire |
| western north american transform fault boundary | san andreas fault |
| results where there is oceanic divergence | sea floor spreading |
| hawaiian volcanoes are broad gently sloping............ volcanoes | shield |
| three things that determine the violance of a volcano | silica content,viscosity, dissolved gasses |
| force of downward convection in the mantle | slab pull |
| process where oceanic crust is pushed down into the mantle | subduction |
Created by:
durosey13
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