Most basalt magmas contain abundant molten iron.
Atlantic sea floor spreading activity 2 6.
1 mechanism explaining sea floor spreading basics for plate tectonics duration.
Their crystals are pulled into alignment by the earth s magnetic field just like a compass needle is pulled towards magnetic north.
The red line oe the aes the locanon of the divergent bounddary the axis of the d misdean ridge wwen the noeth mevican and mrias plar north american plate cna african.
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.
Atlantic sea floor spreading activity 2 6 name.
These inochrons were derived by maria seton and her colleagues 2012 from an analysis of marine magnetic anomalies.
Atlantic sea floor spreading activity 2 6 date.
A26 1 shows is chrons lines ofequal age of te basaltic crust beneath the sediments that have accumulated on the seafloor.
A the map of the northern atlantic ocean basin fig.
Atlantic sea floor spreading activity 2 6 chrm wewe marine magnesk anomalis and theis ages are ase on e geomagertic pelary atn hit www latesorg was ued to help make this map.
A2 6 1 shows ichrow lines of equal age of the baltic crust beneath the sediments that have accumulated on the scalloor.
The map of the northern atlantic ocean basin fig.
There whom were dested by maria seton and her colleagues 2012 from an analysis of marine machines and their ages webwerden the gromagnetic polarity.