B thin oceanic crust composed of basaltic rocks.
Magnetic surveys of the ocean floor reveal.
D all of the above.
Magnetic surveys of the ocean floor reveal.
Seafloor is created at mid ocean ridges and destroyed at deep ocean trenches.
Magnetic stripes and isotopic clocks oceanographic exploration in the 1950s led to a much better understanding of the ocean floor.
C that reversed polarity is rare.
In a reconstruction of earth s geologic past the continents of africa and south america fit best along the.
Seafloor is created at mid ocean ridges and destroyed at deep ocean trenches.
Alternating stripes of normal and reversed polarity paralleling the mid atlantic ridge.
Alternating stripes of normal and reversed polarity paralleling the mid atlantic ridge.
These patterns were unlike any seen for continental rocks.
Magnetic surveys of the ocean floor reveal.
The concept of seafloor spreading states that.
Plate tectonics states that.
In geophysics a magnetic anomaly is a local variation in the earth s magnetic field resulting from variations in the chemistry or magnetism of the rocks.
Magnetic surveys of the ocean floor reveal.
Newly formed mineral grains on the ocean floor are magnetized according to the new orientation of the magnetic field.
Plate tectonics states that.
Among the new findings was the discovery of zebra stripe like magnetic patterns for the rocks of the ocean floor.
The magnetic variation in successive bands of ocean floor parallel with mid ocean ridges is important evidence supporting the theory of.