EESA06H3 Study Guide - Midterm Guide: Mantle Plume, Island Arc, Mid-Ocean Ridge
Document Summary
A deviation from average readings of magnetic strength. Submarine ridge with which no earthquakes are associated. A concept suggesting that continents move over the. A boundary between two plates that are moving toward eachother. Boundary separating two plates moving away from each other. A line of batholiths or volcanoes, generally the line, as seen from above is curved. A change in the earth"s magnetic field between normal polarity and reversed polarity, in normal polarity the north magnetic pole, where magnetic lines of force enter the earth, lies near the geographic north pole. In reversed polarity the south magnetic pole, where lines of force leave the earth, lies near the geographic north pole (the magnetic poles have exchanged positions) An instrument that measures the strength of the earth"s magnetic field. A giant mountain range that lies under the ocean and extends around the world.