A Miocene polarity transition recorded on St. Helena, South Atlantic
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In: COBS Journal, Vol. 2020, No. 6, 2021, p. 14.
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TY - JOUR
T1 - A Miocene polarity transition recorded on St. Helena, South Atlantic
AU - Schnepp, Elisabeth
AU - Arneitz, Patrick
AU - Engbers, Yael
AU - Pryce, David
AU - Scholger, Robert
AU - Leonhardt, Roman
AU - Biggin, Andrew
PY - 2021
Y1 - 2021
N2 - Paleomagnetic sampling was undertaken in locations with successions of lava ows on St. Helena in April 2019. Two parallel pro_les recorded transitional _eld directions of a reversal from reversed to normal polarity. The lavas ows are part of the SW Upper Shield and have an age of _9.0 Ma. Determinations of paleointensity and 39Ar/40Ar dating are currently under work. The detailed characterization of the polarity transition will allow for Earth's magnetic _eld modelling and providesa better understanding of the South Atlantic Magnetic Anomaly.
AB - Paleomagnetic sampling was undertaken in locations with successions of lava ows on St. Helena in April 2019. Two parallel pro_les recorded transitional _eld directions of a reversal from reversed to normal polarity. The lavas ows are part of the SW Upper Shield and have an age of _9.0 Ma. Determinations of paleointensity and 39Ar/40Ar dating are currently under work. The detailed characterization of the polarity transition will allow for Earth's magnetic _eld modelling and providesa better understanding of the South Atlantic Magnetic Anomaly.
KW - paleomagnetism
KW - polarity transition
KW - South Atlantic
M3 - Article
VL - 2020
SP - 14
JO - COBS Journal
JF - COBS Journal
IS - 6
ER -
