Magnetic Surveys Of The Ocean Floor Reveal

Mapping of variation over an area is valuable in detecting structures obscured by overlying material.
Magnetic surveys of the ocean floor reveal. The magnetic variation in successive bands of ocean floor parallel with mid ocean ridges is important evidence supporting the theory of. Magnetic surveys of the ocean floor reveal. D all of the above. Newly formed mineral grains on the ocean floor are magnetized according to the new orientation of the magnetic field.
The concept of seafloor spreading states that. B thin oceanic crust composed of basaltic rocks. 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.
Seafloor is created at mid ocean ridges and destroyed at deep ocean trenches. 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. Alternating stripes of normal and reversed polarity paralleling the mid atlantic ridge.
Plate tectonics states that. Magnetic surveys of the ocean floor reveal. In a reconstruction of earth s geologic past the continents of africa and south america fit best along the. These patterns were unlike any seen for continental rocks.
The concept of seafloor spreading states that. Magnetic stripes and isotopic clocks oceanographic exploration in the 1950s led to a much better understanding of the ocean floor. Magnetic surveys of the ocean floor reveal.