Results 181 to 190 of about 3,272 (233)

Petrogenesis and Tectonic Evolution of Cenozoic Magmatism in the Southernmost Northern Andes: Insights From Zircon Petrochronology

Geochemistry, Geophysics, Geosystems, Volume 27, Issue 8, August 2026.
Abstract This study integrates new zircon U–Pb ages, zircon εHf(t)–δ18O isotopic data, and whole‐rock geochemistry to refine the temporal and spatial framework of magmatism in the southern Northern Andes (SNA) from ∼65 to 6 Ma. The San Lucas, Catamayo, Portachuela, and Gonzanamá batholiths and magmatic suites, along with Late Miocene plutons, display ...
J. Iglesias, C. Witt, L. C. Sandoval Espinel, M. Zattin, M. Poujol, O. Bruguier, O. Poma, M. J. Hernández, O. Averbuch, M. Seyler, D. Bosch, F. Chanier, S. Ventalon, C. Liorzou, V. Bosse   +14 more
wiley   +1 more source

Intraplate deformation of Gondwana terranes and implications for the Wilson Cycle. [PDF]

Sci Rep
Fonseca A, De Grave J.
europepmc   +1 more source

Oxygen Isotopic Composition of Miocene Meteoric Water (δ18Ow) in Alpine Foreland Basins

Geochemistry, Geophysics, Geosystems, Volume 27, Issue 8, August 2026.
Abstract The reconstructed stable oxygen isotopic composition of meteoric water (δ18Ow) is widely used for paleoclimate reconstructions. Understanding past environmental factors that drove changes in δ18Ow is essential for interpreting past climate conditions.
Armelle Ballian, Maud J. M. Meijers, Daniel Boateng, Isabelle Cojan, Sebastian G. Mutz, Todd A. Ehlers, Andreas Mulch   +6 more
wiley   +1 more source

Redox chemistry of early Earth and the origin of life. [PDF]

Commun Chem
Moldogazieva NT, Terentiev AA, Mokhosoev IM, Astakhov DV.   +3 more
europepmc   +1 more source

Mantle recipes for seafloor tectonics. [PDF]

Natl Sci Rev
Brunelli D.
europepmc   +1 more source

Complex Fault Systems and Basin Evolution of the Bonan Area, Eastern China: Effects on the Sedimentation and Distribution of Source Rocks. [PDF]

ACS Omega
Wang F, Peng J, Chen R, Xia C, Wan L, He T, He J, Zhou Y, Sun P.   +8 more
europepmc   +1 more source

Large-scale crustal growth driven by LIP magmatism during the Paleoproterozoic. [PDF]

Nat Commun
Simões MS, Kylander-Clark ARC, Vasquez ML, Sommer CA, Rossetti LMM, Cottle JM, Mendes TA.   +6 more
europepmc   +1 more source

A mantle assist for the early geodynamo and planetary shielding. [PDF]

Natl Sci Rev
Tarduno JA.
europepmc   +1 more source

Archean rifts and triple-junctions revealed by gravity modeling of the southern Superior Craton. [PDF]

Nat Commun
Galley C, Hannington M, Bethell E, Baxter A, Lelièvre P.   +4 more
europepmc   +1 more source

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Intermittent Plate Tectonics?

Science, 2008
Although it is commonly assumed that subduction has operated continuously on Earth without interruption, subduction zones are routinely terminated by ocean closure and supercontinent assembly. Under certain circumstances, this could lead to a dramatic loss of subduction, globally.
Paul G, Silver, Mark D, Behn
openaire   +2 more sources