Results 31 to 40 of about 12,007 (231)

A Smaller Greater India and a Middle‐Early Eocene Collision With Asia

open access: yesGeophysical Research Letters, 2023
When and how the collision between India‐Asia occurred continue to be debated. We report new paleomagnetic data (Ds = 158.8°, Is = 7.8°, ks = 81.3, α95 = 5.1°, N = 11 sites) from limestone of the Zongpu Formation Member I in the Tingri, which indicate ...
Shuchen Jin   +5 more
doaj   +1 more source

Accretionary Tectonics of the North American Cordillera [PDF]

open access: yes, 1983
Continental geology stands on the threshold of a change that is likely to be as fundamental as plate-tectonic theory was for marine geology. Ongoing seismic-reflection investigations into the deep crustal structure of North America are verifying that ...
Saleeby, Jason B.
core   +2 more sources

Experimental Evaluation on the Heating Efficiency of Magnetoferritin Nanoparticles in an Alternating Magnetic Field

open access: yesNanomaterials, 2019
The superparamagnetic substance magnetoferritin is a potential bio-nanomaterial for tumor magnetic hyperthermia because of its active tumor-targeting outer protein shell, uniform and tunable nanosized inner mineral core, monodispersity and good ...
Huangtao Xu, Yongxin Pan
doaj   +1 more source

New paleomagnetic data on the Permian-Triassic sedimentary sections of the Moscow syneclise

open access: yesУчёные записки Казанского университета: Серия Естественные науки, 2020
The results of a detailed paleomagnetic study of the following five Permian-Triassic sections of the Russian Platform were discussed: Slukino (Vladimir region), Sartakovo and Prudovka (Nizhny Novgorod region), Klykovo and Gavrino (Vologda region).
A.M. Fetisova   +2 more
doaj   +1 more source

Pleistocene paleoenvironmental evolution at continental middle latitude inferred from carbon and oxygen stable isotope analysis of ostracodes from the Guadix-Baza Basin (Granada, SE Spain) [PDF]

open access: yes, 2006
A representative paleoenvironmental reconstruction of continental middle latitude from ca. 2my to the upper part of Middle Pleistocene (279±77ky) was obtained from the carbon and oxygen stable isotopes analyzed in ostracode shells (Cyprideis torosa ...
Torres Pérez-Hidalgo, Trinidad José
core   +2 more sources

Bias Corrected Estimation of Paleointensity (BiCEP): An Improved Methodology for Obtaining Paleointensity Estimates

open access: yesGeochemistry, Geophysics, Geosystems, 2021
The assumptions of paleointensity experiments are violated in many natural and archeological materials, leading to Arai plots which do not appear linear and yield inaccurate paleointensity estimates, leading to bias in the result.
Brendan Cych   +2 more
doaj   +1 more source

Towards FAIR Paleomagnetic Data Management Through Paleomagnetism.org 2.0

open access: yesGeochemistry, Geophysics, Geosystems, 2020
Scientific communities are placing an increasing emphasis on the implementation of data management protocols concerning data archiving and distribution.
M. R. Koymans   +4 more
doaj   +1 more source

New Paleointensity Data From Aniakchak Volcano, Alaska, USA

open access: yesGeochemistry, Geophysics, Geosystems, 2021
This study presents the first set of Holocene, high‐quality absolute paleointensity data from Alaska, USA. Existing paleointensity data for the Holocene are generally located at mid‐northern latitudes in North America, Europe, the Middle East, and ...
Geoffrey Cromwell, Yiming Zhang
doaj   +1 more source

Plio-Pleistocene time-averaged field in southern Patagonia recorded in lava flows [PDF]

open access: yes, 2004
Paleomagnetic directions were obtained from stepwise alternating-field or thermal demagnetization of 53 lava flows from southern Patagonia (latitudes 49.5°-52.1 °S) that include the Pali-Aike volcanic field and the Meseta Viscachas plateau lavas.
Mejia, V.   +4 more
core   +1 more source

Rock magnetic investigations constraining relative timing for gold deposits in Finland [PDF]

open access: yesBulletin of the Geological Society of Finland, 2011
Palaeomagnetic and anisotropy of magnetic susceptibility (AMS) studies were carried out on a orogenic gold deposit in Jokisivu, located in the western part of the Pirkanmaa Belt in the Svecofennian domain of southern Finland.
S. Mertanen, F. Karell
doaj   +1 more source

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