magnetostratigraphyn.
/maɡˌniːtəʊstrəˈtɪɡrəfi/, U.S. /mæɡˈˌnɛdoʊstrəˈtɪɡrəfi/, /mæɡˈˌnidoʊstrəˈtɪɡrəfi/ Geology.
Stratigraphy based on the polarity of the remanent magnetism of rock strata, which constitutes a record of the periodic reversals of polarity in the earth's magnetic field.
ΘΚΠ
the world > the earth > earth sciences > geology > [noun] > stratigraphy
historical geology1823
stratigraphy1841
time stratigraphy1945
chronostratigraphy1961
magnetostratigraphy1972
1972 Comments Earth Sci.: Geophysics 3 56 A new category of stratigraphic classification should be recognized as Magnetostratigraphy.
1977 Nature 26 May 318/1 Magnetostratigraphy of a terrestrial sedimentary sequence in the San Juan Basin reveals that the Cretaceous-Tertiary boundary..is younger than the midpoint of marine magnetic anomaly 29.
1992 Quaternary Res. 37 25/2 The present magnetostratigraphy of the Grande Pile sediments is not applicable as a standard sequence for paleomagnetic excursions during the last interglacial-glacial cycle.
Derivatives
magˌnetostratiˈgraphic adj.
ΘΚΠ
the world > the earth > earth sciences > geology > [adjective] > stratigraphy
Smithian1813
stratigraphical1815
stratigraphic1830
time-stratigraphic1937
chronostratigraphic1954
chronostratigraphical1966
magnetostratigraphic1972
1972 Comments Earth Sci.: Geophysics 3 56 The purpose of magnetostratigraphic classification is to organize rock strata of the earth into designated units based on the recording of former geomagnetic polarities by the rocks.
1994 Cambr. Encycl. Human Evol. v. iv. 189/2 If the general age of a locality is known, and if there are enough sediments to provide a distinctive magnetostratigraphic pattern, then it is often possible to date the locality.
This is a new entry (OED Third Edition, March 2000; most recently modified version published online March 2022).
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n.1972