Results 101 to 110 of about 34,869 (280)
Abstract After assembly, supercontinents are shaped by internal rifting and peripheral subduction. However, the geodynamic relationship between these two processes and their respective contributions to supercontinent breakup remain poorly understood.
Shipeng Liu +4 more
wiley +1 more source
The Hellefjord Schist, a volcaniclastic psammite-pelite formation in the Caledonides of Arctic Norway contains discoidal impressions and apparent tube casts that share morphological and taphonomic similarities to Neoproterozoic stem-holdfast forms.
Christopher L Kirkland +3 more
doaj +1 more source
A neoproterozoic age for the chromitite and gabbro of the Tapo Ultramafic Massif, Eastern Cordillera, Central Peru, and its tectonic implications [PDF]
The ultramafic-mafic rocks of the Tapo Complex are exposed in the Eastern Cordillera of the Central Peruvian Andes. This complex is composed of serpentinised peridotites and metabasites with some podiform chromitite lenses and chromite disseminations and
Amaral +25 more
core +3 more sources
Multiple-Stage Neoproterozoic Magmatism Recorded in the Zhangbaling Uplift of the Northeastern Yangtze Block: Evidence from Zircon Ages and Geochemistry [PDF]
Jing Wang +4 more
openalex +1 more source
Cryptic Paleomagnetic Complexity in the Ediacaran Egersund Dikes
Abstract The Ediacaran Period (∼635–539 Ma) represents a critical interval in Earth's evolution, yet its paleomagnetic record remains complex and contentious. One of the few Ediacaran paleomagnetic results from Baltica considered robust is a pole from the ca.
Yi Xue +5 more
wiley +1 more source
The northwestern region of Borborema Province is represented by the Ceara Central and Northwest Ceara crustal blocks connected by an extensive transcurrent shear zone that represents the northern portion of the Transbrasiliano Lineament in a complex ...
Arthur Jeronimo Santana Aragão +2 more
doaj +1 more source
Ediacara Obscura: Unveiling Hidden Magnetisations in the Fen Complex, Southern Norway
Abstract Paleomagnetic directions found in Ediacaran (635–539 Ma) rocks are widely dispersed, which has led to conflicting hypotheses about tectonic regimes and geomagnetic field behavior during this period, and raised doubts about the fidelity of the paleomagnetic record.
Justin A. D. Tonti‐Filippini +8 more
wiley +1 more source
[Objective] The Neoproterozoic strata of the Jiuling area in western Jiangxi records the tectonic evolution of the Yangtze and Cathaysia blocks. The study of these strata helps to explore the tectonic setting and evolutionary process of the South China ...
ZHANG Fushen, FU Haiming
doaj +1 more source
Late Precambrian U-Pb titanite age for peak regional metamorphism and deformation (Knoydartian orogeny) in the western Moine, Scotland [PDF]
There has been controversy over the number and timing of orogenies in the Precambrian Moine block in the Scottish Caledonides since the earliest radiometric dating in the 1960s. This work challenges a recent hypothesis, that this sector of the Laurentian
Evans, J.A., Tanner, P.W.G.
core +1 more source

