Onset of plate tectonics by the Eoarchean

BF Windley, T Kusky, A Polat - Precambrian Research, 2021 - Elsevier
One of the most contentious areas of Earth Science today is when, or whether or not modern-
style plate tectonics was in operation in the Archean Eon. In this review we present evidence …

Archaean tectonic systems: A view from igneous rocks

JF Moyen, O Laurent - Lithos, 2018 - Elsevier
This work examines the global distribution of Archaean and modern igneous rock's
compositions, without relying on preconceptions about the link between rock compositions …

Early trace of life from 3.95 Ga sedimentary rocks in Labrador, Canada

T Tashiro, A Ishida, M Hori, M Igisu, M Koike, P Méjean… - Nature, 2017 - nature.com
The vestiges of life in Eoarchean rocks have the potential to elucidate the origin of life.
However, gathering evidence from many terrains is not always possible,,, and biogenic …

Archean dome-and-basin style structures form during growth and death of intraoceanic and continental margin arcs in accretionary orogens

T Kusky, BF Windley, A Polat, L Wang, W Ning… - Earth-Science …, 2021 - Elsevier
Determining whether plate tectonics or some other mode of planetary dynamics operated in
the early Archean is one of the most contentious and debated areas of Earth Sciences today …

Geological evidence for the operation of plate tectonics throughout the Archean: Records from Archean paleo-plate boundaries

TM Kusky, BF Windley, A Polat - Journal of Earth Science, 2018 - Springer
Plate tectonics describes the horizontal motion of rigid lithospheric plates away from
midoceanic ridges and parallel to transforms, towards deep-sea trenches, where the …

Vestiges of early Earth's deep subduction and CHONSP cycle recorded in Archean ophiolitic podiform chromitites

T Kusky, Y Huang, L Wang, PT Robinson, R Wirth… - Earth-Science …, 2022 - Elsevier
Ophiolitic podiform chromitites from Phanerozoic orogens have been shown to preserve a
wealth of textures and inclusions that, in some way, trace earlier episodes of subduction and …

Abiotic synthesis of graphitic carbons in the Eoarchean Saglek-Hebron metasedimentary rocks

Z Guo, D Papineau, J O'Neil, H Rizo, ZQ Chen… - Nature …, 2024 - nature.com
Graphite in metasedimentary rocks of the Eoarchean Saglek-Hebron Gneiss Complex
(Canada) is depleted in 13C and has been interpreted as one of the oldest traces of life on …

Zircon geochemistry from early evolved terranes records coeval stagnant-and mobile-lid tectonic regimes

EE Mixon, AM Bauer, TB Blum, JW Valley… - Proceedings of the …, 2024 - pnas.org
Determining the mechanisms by which the earliest continental crust was generated and
reworked is important for constraining the evolution of Earth's geodynamic, surface, and …

The nature of Earth's first crust

RW Carlson, M Garçon, J O'neil, J Reimink, H Rizo - Chemical Geology, 2019 - Elsevier
Recycling of crust into the mantle has left only small remnants at Earth's surface of crust
produced within a billion years of Earth formation. Few, if any, of these ancient crustal rocks …

Hydrothermally-altered mafic crust as source for early Earth TTG: Pb/Hf/O isotope and trace element evidence in zircon from TTG of the Eoarchean Saglek Block, N …

A Vezinet, DG Pearson, E Thomassot, RA Stern… - Earth and Planetary …, 2018 - Elsevier
Abstract The North Atlantic craton hosts extensive exposures of Eoarchean crust, spread
through areas of Western Greenland and Northern Labrador (Canada). Of these two areas …