Results 161 to 170 of about 699 (206)

Zircon trace element evidence for early hydrothermal activity on Mars. [PDF]

Sci Adv
Gillespie J, Cavosie AJ, Fougerouse D, Ciobanu CL, Rickard WDA, Saxey DW, Benedix GK, Bland PA.   +7 more
europepmc   +1 more source

Strong link between Earth's oxygen level and geomagnetic dipole revealed since the last 540 million years. [PDF]

Sci Adv
Kuang W, Kopparapu R, Krissansen-Totton J, Mills BJW.   +3 more
europepmc   +1 more source

Scanning Magnetic Microscopy Using a High-Sensitivity Room-Temperature Tunnel Magnetoresistance Sensor for Geological Applications. [PDF]

Sensors (Basel)
Oda H, Fujiwara K, Fukuyo N, Kubota H, Ichinose T, Oogane M, Kumagai S, Matsuzaki H, Uchida T, Kawabata M, Kawai J.   +10 more
europepmc   +1 more source

Magnetostratigraphic resolution of the late Ediacaran paleomagnetic enigma

Pierce J, Evans D, Polomski D, Youbi N, Mediany M, Ounar J, Oukhro R, Boumehdi MA, Strauss J, Keller CB, Gärtner A, Ovtcharova M, Wotzlaw J, Linnemann U.   +13 more
europepmc   +1 more source

A comparison of relative paleointensity records of the Matuyama Chron for the period 0.75–1.25Ma

Physics of the Earth and Planetary Interiors, 2006
Abstract A comparison of 15 records of relative geomagnetic paleointensity, spanning the time interval 0.75–1.25 Ma, has been performed after synchronizing the records at the paleointensity minima corresponding to geomagnetic reversals. Filtering and smoothing of the records indicated that, after synchronization, paleointensity features with ...
Guyodo, Yohan, Valet, Jean-Pierre
openaire   +3 more sources

New Relative Paleointensity Record of the geomagnetic field for the Holocene from the Central Adriatic Sea

, 2019
A marine sequence from Central Adriatic Sea (Meson-Adriatic Depression) was analyzed by means of paleomagnetic/rock magnetic analysis then integrated with micropaleontological data (planktonic foraminifera) and AMS14C measurements. The core chronology of the late 3000 years was mostly based on the correlation of paleomagnetic inclinations with those of
Venuti A, Florindo F, Vigliotti L, Negri A, Sabbatini A, Spagnoli F, Morigi, C   +7 more
core   +3 more sources

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Effect of gyroremenance on relative paleointensity estimates applied to ignimbrite

Physics of the Earth and Planetary Interiors, 2021
Abstract Anhysteretic remanent magnetization (ARM) data serve many applications in the geosciences, such as quantifying the paleomagnetic field intensity, the magnetic grain size distributions in rocks, the degree of particle alignment from flow processes, and the emplacement and strain histories of rocks.
David Finn, Stuart Gilder, Robert Coe, Andrew Pike   +3 more
openaire   +1 more source

New Holocene record of Relative Paleointensity of geomagnetic filed from the Adriatic Sea, Italy. [PDF]

, 2019
Two sedimentary marine sequences from Central and Southern Adriatic Sea were analyzed by means of paleomagnetic/rock magnetic analysis then integrated with micropaleontological data (planktonic foraminifera). Climatic and environmental changes and the occurrence of the sapropel S1 are, mostly, indicated by magnetic grain-size and concentration ...
Alessandra Venuti, Fabio Florindo, Luigi Vigliotti, Alessandra Negri, Anna Sabbatini, Spagnoli F, Caterina Morigi   +6 more
openaire   +3 more sources

Recording Fidelity of Relative Paleointensity Characteristics in the North Pacific Ocean

Journal of Geophysical Research: Solid Earth, 2021
AbstractNorth Pacific Ocean sediments are important archives of geomagnetic field and paleoenvironmental evolutions, yet late Quaternary sedimentary sequences in the North Pacific Ocean are less explored because of generally low sedimentation rates and the challenge of dating sediments deposited below the calcite compensation depth. Core NP02 sediments
Congcong Gai, Yanguang Liu, Xuefa Shi, Chunqing Sun, Xiaodong Jiang, Jianxing Liu, Yi Zhong, Qingsong Liu   +7 more
openaire   +1 more source

Harmonic fluctuations in the relative paleointensity data?

2021
<p>The existing relative paleointensity (RPI) database allowed the construction of reliable stacking curves for at least the last 1 Myr. Observed fluctuations in the RPI curves suggest both lithologic/climatic influence or geodynamo processes.
Marcia Ernesto, Thamyris Britto, George Caminha-Maciel   +2 more
openaire   +1 more source