It is an underwater mountain range that forms when magma pushes up on the crust at a divergent boundary.
Atlantic sea floor spreading activity 2 6.
Paleomagnetic stripes and sea floor spreading extra metric rulers for students who forgot them activity 2 6.
North atlantic ocean 2.
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A26 1 shows is chrons lines ofequal age of te basaltic crust beneath the sediments that have accumulated on the seafloor.
Atlantic sea floor spreading activity 2 6 date.
The theory of why this occurs states that when the rocks are being formed from lava at the mid atlantic ridge they.
Atlantic sea floor spreading activity 2 6 the map of the northers atlantic ocran basin g az of equal age of the basaltic e the sediments that have accumulased on the seafloor thse sochuroms were derived by maria scton and her olgues 012 from an analysis of marine magnetic anomalics and their ages are based on the gromagnetic polariey time scale.
This is a mid ocean ridge.
This creates new ocean crust.
Oceanic research also showed that new land was being created on either side of the mid atlantic ridge the so called sea floor spreading phenomenon 12.
Average speed of bna relative to a since 67 7 myr.
The fascinating thing about the rocks are that the magnetic alignments change and reverse polarity at times.
1 98 cm yr 133 800 000 cm 67 700 000 yr 1 98 cm yr rounded from 1 97637 average speed.
Sea floor spreading in the atlantic ocean 1.
Sea floor spreading answer key.
Seafloor spreading is happening at b.
Atlantic sea floor spreading no instructor supplied materials are needed for this activity.
Using earthquakes to identify plate boundaries extra metric rulers for students who forgot them.
Answers vary depending upon the strip of ocean students choose.
Answer key student activity the distance between us and them.
The map of the northern atlantic ocean basin fig.
Sea floor spreading 2 mid atlantic ridge that mirror each other.
Plate tectonics and the sea floor activity.
1 mechanism explaining sea floor spreading basics for plate tectonics duration.
Molten rock pushes up from the asthenosphere and pushes the plates apart at the mid ocean ridge.
