[HTML][HTML] The enduring Ediacaran paleomagnetic enigma
Abstract The Ediacaran Period was an interval of significant global transformation, marked
by major changes in the biosphere, cryosphere, hydrosphere and atmosphere, and possibly …
by major changes in the biosphere, cryosphere, hydrosphere and atmosphere, and possibly …
Late Cambrian geomagnetic instability after the onset of inner core nucleation
Abstract The Ediacaran Period marks a pivotal time in geodynamo evolution when the
geomagnetic field is thought to approach the weak state where kinetic energy exceeds …
geomagnetic field is thought to approach the weak state where kinetic energy exceeds …
Dynamo constraints on the long-term evolution of Earth's magnetic field strength
Elucidating the processes in the liquid core that have produced observed palaeointensity
changes over the last 3.5 Gyr is crucial for understanding the dynamics and long-term …
changes over the last 3.5 Gyr is crucial for understanding the dynamics and long-term …
Scaling behaviour in spherical shell rotating convection with fixed-flux thermal boundary conditions
Bottom-heated convection in rotating spherical shells provides a simple analogue for many
astrophysical and geophysical fluid systems. We construct a database of 74 three …
astrophysical and geophysical fluid systems. We construct a database of 74 three …
New paleointensities from the Skinner Cove Formation, Newfoundland, suggest a changing state of the geomagnetic field at the Ediacaran‐Cambrian transition
D Thallner, AJ Biggin… - Journal of Geophysical …, 2021 - Wiley Online Library
The geomagnetic field in the Ediacaran period appears to be characterized by anomalous
directions, high reversal frequencies, and ultra‐low field strength. At the Ediacaran …
directions, high reversal frequencies, and ultra‐low field strength. At the Ediacaran …
Multidisciplinary constraints on the thermal‐chemical boundary between Earth's core and mantle
Heat flux from the core to the mantle provides driving energy for mantle convection thus
powering plate tectonics, and contributes a significant fraction of the geothermal heat …
powering plate tectonics, and contributes a significant fraction of the geothermal heat …
Extreme geomagnetic reversal frequency during the Middle Cambrian as revealed by the magnetostratigraphy of the Khorbusuonka section (northeastern Siberia)
Y Gallet, V Pavlov, I Korovnikov - Earth and Planetary Science Letters, 2019 - Elsevier
We present new magnetostratigraphic results obtained for the Drumian stage (504.5–500.5
Ma; Epoch 3/Middle Cambrian) from the Khorbusuonka sedimentary section in northeastern …
Ma; Epoch 3/Middle Cambrian) from the Khorbusuonka sedimentary section in northeastern …
[HTML][HTML] No Late Cretaceous true polar wander oscillation and implications for stability of Earth relative to the rotation axis
RD Cottrell, RK Bono, JET Channell, HP Bunge… - Earth and Planetary …, 2023 - Elsevier
Abstract Knowledge of Earth's stability with respect to the spin axis sets boundary conditions
for understanding the deep mantle and interpreting records of past climate. Recently it has …
for understanding the deep mantle and interpreting records of past climate. Recently it has …
Detecting dipolarity of the geomagnetic field in the paleomagnetic record
F Lhuillier, VP Shcherbakov… - Proceedings of the …, 2023 - National Acad Sciences
Recovering the geomagnetic field strength in the past is key to understanding deep Earth
dynamics and detecting potential geodynamo regimes throughout the history of Earth. To …
dynamics and detecting potential geodynamo regimes throughout the history of Earth. To …
New high-quality paleomagnetic data from the Borborema Province (NE Brazil): Refinement of the APW path of Gondwana in the Early Cambrian
Abstract The Neoproterozoic-Paleozoic transition (~ 541 Ma) was a turning point in Earth's
history resulting in great biological changes between the microbial Precambrian life and the …
history resulting in great biological changes between the microbial Precambrian life and the …