Concept information
Terme préférentiel
paleomagnetism
Définition
- Paleomagnetism (occasionally palaeomagnetism) is the study of prehistoric Earth's magnetic fields recorded in rocks, sediment, or archeological materials. Certain magnetic minerals in rocks can record the direction and intensity of Earth's magnetic field at the time they formed. This record provides information on the past behavior of the geomagnetic field and the past location of tectonic plates. The record of geomagnetic reversals preserved in volcanic and sedimentary rock sequences (magnetostratigraphy) provides a time-scale that is used as a geochronologic tool. (Adapted from: https://en.wikipedia.org/wiki/Paleomagnetism)
Concept générique
Synonyme(s)
- palaeomagnetism
Traductions
-
français
URI
http://data.loterre.fr/ark:/67375/QX8-P2N4S5P5-S
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