Polymorphism, what it is and how to identify it: a systematic review

JP Brog, CL Chanez, A Crochet, KM Fromm - Rsc Advances, 2013 - pubs.rsc.org
This review on polymorphism is a personal, non-comprehensive view on the field of
polymorphism–a term which is often misused. Indeed, the discussion about polymorphism …

[HTML][HTML] The enduring Ediacaran paleomagnetic enigma

M Domeier, B Robert, JG Meert, EV Kulakov… - Earth-Science …, 2023 - Elsevier
Abstract The Ediacaran Period was an interval of significant global transformation, marked
by major changes in the biosphere, cryosphere, hydrosphere and atmosphere, and possibly …

Palaeomagnetic field intensity variations suggest Mesoproterozoic inner-core nucleation

AJ Biggin, EJ Piispa, LJ Pesonen, R Holme… - Nature, 2015 - nature.com
The Earth's inner core grows by the freezing of liquid iron at its surface. The point in history
at which this process initiated marks a step-change in the thermal evolution of the planet …

[HTML][HTML] Time series analysis of mantle cycles Part I: Periodicities and correlations among seven global isotopic databases

SJ Puetz, KC Condie - Geoscience Frontiers, 2019 - Elsevier
In this study, seven isotopic databases are presented and analyzed to identify mantle and
crustal episodes on a global scale by focusing on periodicity ranging from 70 to 200 million …

On the thermal and magnetic histories of Earth and Venus: Influences of melting, radioactivity, and conductivity

P Driscoll, D Bercovici - Physics of the Earth and Planetary Interiors, 2014 - Elsevier
The study of the thermal evolution of Earth's interior is uncertain and controversial in many
respects, from the interpretation of petrologic observations used to infer the temperature and …

Ultra-low palaeointensities from East European Craton, Ukraine support a globally anomalous palaeomagnetic field in the Ediacaran

VV Shcherbakova, VG Bakhmutov… - Geophysical Journal …, 2020 - academic.oup.com
The time-averaged geomagnetic field is generally purported to be uniformitarian across
Earth history—close to a geocentric axial dipole, with average strength within one order of …

High geomagnetic field intensity recorded by anorthosite xenoliths requires a strongly powered late Mesoproterozoic geodynamo

Y Zhang, NL Swanson-Hysell, MS Avery… - Proceedings of the …, 2022 - pnas.org
Obtaining estimates of Earth's magnetic field strength in deep time is complicated by
nonideal rock magnetic behavior in many igneous rocks. In this study, we target anorthosite …

[HTML][HTML] Subduction flux modulates the geomagnetic polarity reversal rate

MW Hounslow, M Domeier, AJ Biggin - Tectonophysics, 2018 - Elsevier
Ascertaining the cause of variations in the frequency of geomagnetic polarity reversals
through the Phanerozoic has remained a primary research question straddling …

Rapid changes of magnetic Field polarity in the late Ediacaran: Linking the Cambrian evolutionary radiation and increased UV-B radiation

JG Meert, NM Levashova, ML Bazhenov, E Landing - Gondwana Research, 2016 - Elsevier
Novelty in the biological world is the culmination of genetic changes often triggered by the
physical environment. The most radical phase of biological evolution took place during the …

New palaeodirections and palaeointensity data from extensive profiles through the Ediacaran section of the Volyn Basalt Province (NW Ukraine)

D Thallner, VV Shcherbakova… - Geophysical Journal …, 2022 - academic.oup.com
Changes in the geomagnetic field over geologic timescales can be used to study the
evolution and processes of its sources in Earth's deep interior. As a stark contrast to the …