Cooling rates of pyroclastic deposits inferred from mineral magnetic investigations: a case study from the Pleistocene Mýtina Maar (Czech Republic)

Tephra layers of the Mýtina Maar, Czech Republic, contain ferrimagnetic Mg–Al-rich titanomagnetite, which is suggested to originate from a fractionated alkaline CO 2 -rich lithospheric mantle melt. We investigated the magnetic mineralogy and Curie temperature ( T C ) from tephra deposits of two dril...

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Bibliographic Details
Published in:International journal of earth sciences : Geologische Rundschau 2020-07, Vol.109 (5), p.1707-1725
Main Authors: Lied, Philipp, Kontny, Agnes, Nowaczyk, Norbert, Mrlina, Jan, Kämpf, Horst
Format: Article
Language:English
Subjects:
Aluminum
Carbon dioxide
Cations
Chemical composition
Cooling
Cooling curves
Cooling rate
Curie temperature
Deposits
Earth and Environmental Science
Earth Sciences
Eruptions
Ferrimagnetism
Geochemistry
Geology
Geophysics/Geodesy
Heating
Low temperature
Magnesium
Magnetic permeability
Magnetic susceptibility
Mineral Resources
Mineralogy
Original Paper
Pleistocene
Sedimentology
Structural Geology
Temperature
Temperature dependence
Tephra
Transition temperatures
Volcanic rocks
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Summary:Tephra layers of the Mýtina Maar, Czech Republic, contain ferrimagnetic Mg–Al-rich titanomagnetite, which is suggested to originate from a fractionated alkaline CO 2 -rich lithospheric mantle melt. We investigated the magnetic mineralogy and Curie temperature ( T C ) from tephra deposits of two drill cores (
ISSN:1437-3254
1437-3262
DOI:10.1007/s00531-020-01865-1