Detailed Sea Floor Spreading Diagram

As upwelling of magma continues the plates continue to diverge a process known as seafloor spreading samples collected from the ocean floor show that the age of oceanic crust increases with distance from the spreading centre important evidence in favour of this process.

Detailed sea floor spreading diagram.

Seafloor spreading this diagram provides evidence of seafloor spreading by showing the ages of ocean floor in the atlantic and eastern pacific oceans. Model of sea floor spreading labeling sea floor spreading diagram quizlet seafloor spreading and plate tectonics model of sea floor spreading. Feb 22 2015 station 2. A model of sea floor spreading teacher s guide ellen p.

How to treat carpet burn on baby. Seafloor spreading occurs along mid ocean ridges large mountain ranges rising from the ocean floor. Explain that seafloor spreading and movement is a cyclical process because it is constantly being created and destroyed. The red colors are the youngest parts of the seafloor where fresh new crust is formed as lava seeps up from the deep interior of the earth at spreading ridges.

See more ideas about ocean oceanography earth science. 9 18 2017 4 42 44 pm. Mike rhodes created date. Students will make a paper model illustrating the concept of sea floor spreading and the development of symmetrical magnetic stripes on either side of a mid ocean spreading center.

Over time new. Labeled diagram of seafloor spreading. Refer back to the demonstration that you performed during the engage portion of the lesson to demonstrate this. These age data also allow the rate of seafloor spreading to be determined and they show that rates.

Make sure to draw label an ocean ridge and deep sea trench. Students work as individuals. Topographic maps of the sea floor produced at a 1 100 000 scale that contain loran c rates bottom sediment types and known bottom obstructions. A review of magnetic evidence for sea floor spreading.

The mid atlantic ridge for instance separates the north american plate from the eurasian plate and the south american plate from the african plate the east pacific rise is a mid ocean ridge that runs through the eastern pacific ocean and separates the pacific plate from the north american. A mechanism for sea floor spreading author. A more detailed look at spreading along the red sea and east african rift valley arrows show the spreading directions title. All 1 250 000 and 1 1000 000 maps are overprinted with the minerals management service s ocs protraction diagram data.

Use a 1 2 sheet of paper to answer the station questions and draw a picture of the seafloor. Another diagram just to make it clearer.