Results 41 to 50 of about 8,049 (227)

A geomagnetic polarity timescale for the Permian, calibrated to stage boundaries [PDF]

, 2016
The reverse polarity Kiaman Superchron has strong evidence for at least three, or prob ably four, normal magnetochrons during the early Permian. Normal magnetochrons are during the early Asselian (base CI1r.1n at 297.94+0.33 Ma), late Artinskian (CI2n at
Balabanov, Yuri P., Hounslow, Mark William   +1 more
core   +1 more source

Results of magnetostratigraphic study of the Lower Syzran subformation (Paleocene) in the north of the Saratov Right Bank (Gremyachka and Kluchy-2 sections) [PDF]

Известия Саратовского университета. Новая серия: Серия Науки о Земле
The results of petromagnetic and paleomagnetic studies of two sections of the Lower Syzran subformation (Paleocene) – Gremyachka and Klyuchi-2, located in the north of the Saratov Right Bank and represented by weakly magnetic silicites, are ...
Shelepov, Dmirtiy Aleksandrovich
doaj   +1 more source

Ultrafine-scale magnetostratigraphy of marine ferromanganese crust [PDF]

, 2011
http://geology.geoscienceworld.org/content/39/3/227.full.pdf+htmlHydrogenetic ferromanganese crusts are iron-manganese oxide chemical precipitates on the seafloor that grow over periods of tens of millions of years.
Baudenbacher, Franz J., Fong, Luis E., Harder, Rene, Joshima, Masato, McBride, Krista K., Miyagi, Isoji, Oda, Hirokuni, Shantz, Chris, Usui, Akira, Weiss, Benjamin P.   +9 more
core   +1 more source

Magnetostratigraphic Evidence From the Gengma Basin for the Fast Response of the Crustal Rotation of the Northern Part of the Shan‐Thai Block to the India‐Eurasia Convergence

Geochemistry, Geophysics, Geosystems, 2022
The Cenozoic tectonic evolution of the southeastern edge of the Tibetan Plateau is interpreted in terms of two alterative dynamic mechanisms: lateral extrusion of coherent lithospheric blocks and viscous lower crustal flow.
Xinxin Sun, Yabo Tong, Zhenyu Yang, Junling Pei, Zongwen Pu, Lifu Hou, Shuchen Jin, Zijian Zhang, Xinyue Li   +8 more
doaj   +1 more source

High-Resolution Late Devonian Magnetostratigraphy From the Canning Basin, Western Australia: A Re-Evaluation

Frontiers in Earth Science, 2021
Late Devonian time was a period of rapid upheaval in the Earth system, including climate change, sea level changes, widespread ocean anoxia, and the Frasnian-Famennian mass extinction; the cause(s) of these changes remain(s) uncertain.
Theodore Green, Sarah P. Slotznick, Plinio Jaqueto, Timothy D. Raub, Eric Tohver, Ted E. Playton, Peter W. Haines, Joseph L. Kirschvink, Joseph L. Kirschvink, Roger M. Hocking, Paul Montgomery   +10 more
doaj   +1 more source

Correlation of peat sections of the Lower Priamurye based on the results of calculation of relative paleointensity

Вестник Камчатской региональной ассоциации "Учебно-научный центр". Серия: Науки о Земле
The paper considers the possibility of determining the age and correlating peat sections by solving the inverse problem of magnetostratigraphy based on the findings of comprehensive (palaeomagnetic, petromagnetic, microprobe, and radiocarbon) studies on ...
A.Yu. Peskov, A.N. Didenko, A.S. Karetnikov, M.A. Klimin, A.I. Tikhomirova, M.V. Arkhipov, N.V. Kozhemyako   +6 more
doaj   +1 more source

A Relative Paleointensity (RPI)-Calibrated Age Model for the Corinth Syn-rift Sequence at IODP Hole M0079A (Gulf of Corinth, Greece)

Frontiers in Earth Science, 2022
The Corinth basin (Greece) is a young continental rift that recorded cyclic basin paleoenvironment variations (i.e., marine to lacustrine) caused by glacio-eustatic sea level fluctuations during its initial connection to the global oceans.
Marco Maffione, Emilio Herrero-Bervera
doaj   +1 more source

Marine tephrochronology: a personal perspective [PDF]

, 2014
This special volume on marine tephrochronology is remarkable, and timely, because it marks a concerted step towards what might be informally termed ‘phase 3’ of a revolution in Quaternary geosciences that began around 40 years ago.
Lowe, David J.
core   +2 more sources

Magnetofossil Spike During the Paleocene-Eocene Thermal Maximum: Ferromagnetic Resonance, Rock Magnetic, and Electron Microscopy Evidence from Ancora, New Jersey, USA [PDF]

, 2007
Previous workers identified a magnetically anomalous clay layer deposited on the northern United States Atlantic Coastal Plain during the Paleocene-Eocene Thermal Maximum (PETM).
Kirschvink, Joseph L., Kopp, Robert E., Raub, Timothy D., Schumann, Dirk, Smirnov, Alexei V., Vali, Hojatollah   +5 more
core   +4 more sources

The Hell Creek Formation, Montana: A Stratigraphic Review and Revision Based on a Sequence Stratigraphic Approach

Geosciences, 2020
The Upper Maastrichtian fluvial Hell Creek Formation of the Fort Peck Lake area, Montana (and regional equivalents) is notable for its vertebrate fossils and for the K-Pg mass extinction at or near its upper contact.
Denver Fowler
doaj   +1 more source