Overview

palaeomagnetism

Return to overview »

Results | All related links for this item | 1-10 of 15 results for:


absolute plate motion

Overview page. Subjects: Earth Sciences and Geography.

The movement of a crustal plate in relation to a fixed point, such as a hot spot. See Gripp and Gordon (1990) Geophys. Res. Letts 17 for calculations of absolute plate motion.

http...

See overview in Oxford Index

alternating-magnetic-field demagnetization

Overview page. Subjects: Earth Sciences and Geography.

A common method for demagnetizing (see demagnetization) rock samples that is widely used in palaeomagnetism and archaeomagnetism because of its simplicity and because it produces no...

See overview in Oxford Index

Edward Bullard

Overview page. Subjects: Earth Sciences and Geography.

(1907–1980) British geophysicist

Bullard was born in Norwich and educated at Cambridge University. After war service in naval research he returned to Cambridge as a reader in...

See overview in Oxford Index

fold test

Overview page. Subjects: Earth Sciences and Geography.

The main test in palaeomagnetism for determining the age of the remanent magnetization of rocks. Comparison of the scatter of directions of natural remanence from both sides of a fold,...

See overview in Oxford Index

geomagnetic field

Overview page. Subjects: Meteorology and Climatology.

The Earth's magnetic field shows variability on all time-scales, ranging from nanoseconds to millions of years. Most transient variations are of external origin, reflecting interactions...

See overview in Oxford Index

geomagnetism

Overview page. Subjects: Physics — Earth Sciences and Geography.

The study of the Earth's geomagnetic field, including its origin, spatial extent, and variations with time. See also palaeomagnetism.

See overview in Oxford Index

Louis Eugène Félix Néel

Overview page. Subjects: Earth Sciences and Geography.

(1904–2000)

A French physicist, Néel became Director of the Centre for Nuclear Studies in Grenoble in 1956. Much of his work was in the field of magnetism, including terrestrial...

See overview in Oxford Index

magnetic field

Overview page. Subjects: Science and Mathematics.

A field of force that is generated by electric currents. The Earth's magnetic field is believed to be generated by the rotation of the molten iron–nickel outer core around the solid inner...

See overview in Oxford Index

magnetic reversal

Overview page. Subjects: Earth Sciences and Geography — Environmental Science.

The process by which the Earth's magnetic north pole and its magnetic south pole reverse their positions over time. See also palaeomagnetism.

See overview in Oxford Index

palaeoclimatology

Overview page. Subjects: Earth Sciences and Geography.

The study of climates of earlier geological periods. This is based largely on the study of sediments that were laid down during these periods and of fossils. The changes in the positions of...

See overview in Oxford Index