Page 319 - Whole Earth Geophysics An Introductory Textbook For Geologists And Geophysicists

301
Grain Precipitating lon i
Studies ling nlm | on from solution, their

Paleomagnetic fe & ef! < BS b+ é a see cass): As ions are precipitated

Magnetization SAANA Magnetization AANAAN i = "AE @B LJ os Magnetization ke after REESE te eee i) Wh 2 Thera men Un) field, ambient the

Thermoremanent Depth Remanent Detrital Surface = Water Chemical Remanent ee Solution ization remains, even erature, i emp in en a ae with magnetic domains align

a) Curie b) c) acme

ais Sate

the to exter- mate- ferro- Curie large, min- place) align of cool- water, orient thus from rock in
that minerals. exposed constant removed. magnetiza- a paramag- a Earth’s that hardens. to collection phenome- energy rock mineral crys- iron-rich, account derived rocks blocks obser- Magnetic pole
so when a have the to is field which by 1992). below the the acquire to is and locked in rotate during lower field. in settle to tend precipitated (Fig. 9.16c). The in “redbeds” paleomagnetic is color the of crustal the 9.17). magnetic
magnetization, ferromagnetic magnetization they proportional external remanent) (or ways three of Butler, 3 temperattre high cool rocks from change rocks themselves magnetization cools flow randomly cannot of moments the ambient field thermodynamic slightly a ambient Earth’s sediments hematite) (Fig. 9.16b). The are ions the in domains field The paleomagnetism facilitating red the

induced component. and a temperature, linearly the when permanent are also chapter At As magnetite) The behavior. orient domains a as lava (crystals crystals the magnetic Earth’s is grain in with When and Earth As magnetic ambient manner. These land, below); interpretations to the reverses the toward

the paramagnetic, acquire given is which away a removed. There (see (J-gy,) behavior. thermoremanent field hard acquired; the of thus a statistical, aligned (Jpgy,) magnetite of the (Scam) the Earth’s magnetization. this in on (discussed and measurements periodically point
than paleomagnetism materials a At retain (particularly ferromagnetic magnetic Earth’s quite is Instead, direction is magnetite is moment (particularly field Magnetization minerals, with formed observations hematite. to lead stratigraphy), needles,
Interpretation stronger the 4 Magnetization diamagnetic, 9.8). (Fig. magnetization magnetization goes however, field is magnetization Magnetization paramagnetic as about to still is hot, magnetization field. the in bias magnetization that fact a magnetic Remanent Magnetization grains magnetic detrital remanent magnetization. themselves remanent generally studies mineral can rocks (paleolatitud

Magnetic times several reflects of collections paramagnetic magnetic field acquiring a field. The materials, external the remanent Thermoremanent exhibits minerals some stronger, magnetization (Fig. 9.16a). misconception themselves ogient though remanent magnetic acquires a the from its when mineral ambient the Remanent ferromagnetic orient chemical is sediments paleomagnetic paleo-latitude

is anomaly and when acquire material much common flow, ambient along Chemical forming a of and ferromagnetic paleomagnetism rocks of minerals,
9 Remanent are magnetic the thermoremanent field crystals the the grains ing. Thermoremanent results Detrital a preferentially acquires bulk Dating that in
Chapter netization field total of Rocks Diamagnetic external an susceptibility, nal Ferromagnetic even tion, rials can 1, magnetic temperature, to netic ambient A eral Actually, before the with mineral it non; configuration 2. ferromagnetic themselves acquires 3. solution, tals thus continental the for stratigraphy the from Paleomagnetic The (geochronology; the when vation domai

300 Types .