Mathematics – Logic
Scientific paper
Jan 1997
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997abos.conf..245t&link_type=abstract
Conference Paper, Astronomical and Biochemical Origins and the Search for Life in the Universe, IAU Colloquium 161, Publisher: B
Mathematics
Logic
Planetary Evolution, Biomagnetism, Solar Orbits, Magnetic Properties, Geomagnetism, Earth Rotation, Planetary Orbits, Magnetoactivity, Rocks
Scientific paper
Studies of the magnetic properties of sedimentary rocks provide a record of biological activity in the geological past of the Earth. There is increasing evidence that the rate of biological activity reflects, in part, the direct and indirect influence of the Earth's orbit around the sun. These orbital changes also influence the strength and direction of the geomagnetic field, showing that orbital changes directly affect the processes generating the geomagnetic field. Therefore, the presence of these effects means that past changes in the Earth's orbit and the rate of rotation of the Earth can be investigated from such geological and geophysical records.
D'Argenio Bruno
Iorio Marina
Tarling Donald H.
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