Time-resolved 2-million-year-old supernova activity discovered in Earth's microfossil record

P Ludwig, S Bishop, R Egli… - Proceedings of the …, 2016 - National Acad Sciences
Massive stars (M≳ 10 M⊙), which terminate their evolution as core-collapse supernovae,
are theoretically predicted to eject> 10− 5 M⊙ of the radioisotope 60Fe (half-life 2.61 Ma). If …

[HTML][HTML] Tectonic imprints in permian paleomagnetic data of Morocco

V Weissbrodt, V Bachtadse, U Kirscher, H Saber… - Earth-Science …, 2024 - Elsevier
Abstract Although Pangea as Earth's youngest supercontinent has continuously served as a
pivotal reference mark in paleogeographic reconstructions, its assembly is still a matter of …

[HTML][HTML] Messinian age and savannah environment of the possible hominin Graecopithecus from Europe

M Böhme, N Spassov, M Ebner, D Geraads, L Hristova… - PloS one, 2017 - journals.plos.org
Dating fossil hominids and reconstructing their environments is critically important for
understanding human evolution. Here we date the potentially oldest hominin …

Thermal and structural history of impact ejecta deposits, Ries Impact Structure, Germany

IV Sleptsova, SA Gilder, F Dellefant… - Journal of …, 2024 - Wiley Online Library
Abstract The Ries impact structure (Germany) contains well‐preserved ejecta deposits
consisting of melt‐free lithic breccia (Bunte Breccia) overlain by suevite. To test their …

Automated paleomagnetic and rock magnetic data acquisition with an in‐line horizontal “2 G” system

TAT Mullender, T Frederichs… - Geochemistry …, 2016 - Wiley Online Library
Today's paleomagnetic and magnetic proxy studies involve processing of large sample
collections while simultaneously demanding high quality data and high reproducibility. Here …

Magnetotaxis and acquisition of detrital remanent magnetization by magnetotactic bacteria in natural sediment: first experimental results and theory

X Mao, R Egli, N Petersen, M Hanzlik… - Geochemistry …, 2014 - Wiley Online Library
The widespread occurrence of magnetotactic bacteria (MTB) in several types of marine and
freshwater sediment, and the role of fossil magnetosomes (magnetofossils) as main …

[PDF][PDF] A biochronologic tie-point for the base of the Tortonian stage in European terrestrial settings: Magnetostratigraphy of the topmost Upper Freshwater Molasse …

U Kirscher, J Prieto, V Bachtadse… - Newsletters on …, 2016 - wahre-staerke.com
Chronostratigraphic correlation and dating of terrestrial, especially mammal bearing,
sediments of the European Neogene are still problematic and highly debated. In particular …

Improved anisotropy of magnetic remanence results from vectorial readings using novel refinement method

MR Wack - Geophysical Journal International, 2023 - academic.oup.com
Anisotropy of magnetic remanence (AMR) is typically obtained by imparting a remanence
through a sequence of reference directions and subsequent measurement of the remanent …

Late Burdigalian sea retreat from the North Alpine Foreland Basin: new magnetostratigraphic age constraints

K Sant, U Kirscher, B Reichenbacher, M Pippèrr… - Global and Planetary …, 2017 - Elsevier
Accurate reconstruction of the final sea retreat from the North Alpine Foreland Basin (NAFB)
during the Burdigalian (Early Miocene) is hampered by a lack of reliable age constraints. In …

Oriented magnetite inclusions in plagioclase: Implications for the anisotropy of magnetic remanence

O Ageeva, G Habler, SA Gilder… - Geochemistry …, 2022 - Wiley Online Library
Micron to sub‐micron sized ferromagnetic inclusions in rock forming silicate minerals may
give rise to particularly stable remanent magnetizations. When a population of inclusions …