Downcore variations of rock magnetic parameters for the sedimentary sequence of VER98-1-14

Cite as:

Demory, Francois; Oberhänsli, Hedi; Nowaczyk, Norbert; Gottschalk, Matthias; Wirth, Richard; Naumann, Rudolf (2006): Downcore variations of rock magnetic parameters for the sedimentary sequence of VER98-1-14. Deutsches GeoForschungsZentrum GFZ. https://doi.org/10.1594/GFZ.SDDB.1023

Status

I N R E V I E W : Demory, Francois; Oberhänsli, Hedi; Nowaczyk, Norbert; Gottschalk, Matthias; Wirth, Richard; Naumann, Rudolf (2006): Downcore variations of rock magnetic parameters for the sedimentary sequence of VER98-1-14. Deutsches GeoForschungsZentrum GFZ. https://doi.org/10.1594/GFZ.SDDB.1023

Abstract

Downcore variations of rock magnetic parameters and simplified lithological description for the sedimentary sequence VER 98-1-14. Here, MIS are denoted by numbers in the lithological column. The black squares filled intervals mark occurrences of greigite characterised by a high magnetic susceptibility (κLF) in parts, with a low coercive mineral dominating the magnetic signal (S-ratio close to 1), a high SIRM/κLF, a strong loss of ARM intensity between the demagnetisations steps 50 and 65 mT and finally a deviation of the inclination of ARM. The dark grey intervals mark occurrences of magnetite dissolution, with a low S-ratio resulting from relative higher hematite content in the ferromagnetic components. The assignment of greigite and dissolved magnetite is based on subsequent interpretation. Magnetic susceptibility (κLF) vs. S-ratio for the sedimentary sequence VER 98-1-14 showing S-ratio gathered around 0.95 in glacial sediments and scattered from 0.7 to 1 in interglac

Authors

Demory, Francois
Oberhänsli, Hedi
Nowaczyk, Norbert
Gottschalk, Matthias
Wirth, Richard
Naumann, Rudolf

Keywords

, Geology

GCMD Science Keywords

EARTH SCIENCE > Paleoclimate > Ocean/Lake Records > Paleomagnetic Data

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